Almost all pearls sold today are cultured pearls, which are real pearls created with human assistance. Natural pearls are extremely rare and mostly found in museums or antique collections. Cultured pearls include Akoya (classic white pearls), Freshwater (affordable and colorful), South Sea (largest and most valuable), and Tahitian (naturally dark with iridescent overtones). To care for your pearls, wipe them with a soft cloth after each wear, avoid exposing them to chemicals like perfume or hairspray, store them flat in a soft pouch, and have them professionally cleaned annually. Put pearls on last and take them off first to protect their delicate nacre surface.
Understanding Pearls: Nature's Only Living Gemstone
Pearls hold a unique place in the world of jewelry. Unlike diamonds, rubies, or sapphires that form deep within the earth, pearls are the only gemstones created by living organisms. When an irritant like a piece of sand or shell enters an oyster, clam, or mussel, the mollusk protects itself by secreting a substance called nacre. This nacre builds up in layers over time, eventually forming a pearl.
This organic origin makes pearls remarkably beautiful but also more delicate than other gemstones. Understanding how pearls form and the differences between various types will help you make informed decisions when shopping for pearl jewelry and caring for the pieces you already own.
Natural Pearls vs Cultured Pearls: What's the Real Difference?
How Natural Pearls Form
Natural pearls develop entirely on their own in the wild without any human intervention. An irritant accidentally finds its way into an oyster's soft tissue, triggering the mollusk's defense mechanism. The oyster coats the irritant with layer after layer of nacre, and over many years, a natural pearl slowly develops.
Finding a natural pearl requires incredible luck. It takes more than 100,000 wild oysters to produce just one strand of natural pearls. Factors like sea predators, habitat pollution, and overfishing have made quality natural pearls increasingly rare. According to the American Gem Society, most of the ocean's natural pearls have already been harvested by pearl divers throughout history.
How Cultured Pearls Form
Cultured pearls are created through the same biological process as natural pearls, but with human assistance to start the process. Pearl farmers carefully insert a small bead nucleus or piece of mantle tissue into an oyster's soft tissue. This intentional irritant triggers the oyster to begin secreting nacre, just like it would naturally.
From that point forward, the pearl formation process is completely natural. The oyster is returned to the water and carefully tended by pearl farmers who monitor water quality and protect the oysters from predators. It typically takes 2 years for an oyster to produce a high-quality cultured pearl, though some varieties take even longer.
The first successful cultured pearl was created by Japanese entrepreneur Kokichi Mikimoto, who received his patent for the process in 1896. His innovation revolutionized the pearl industry and made these beautiful gems accessible to people beyond royalty and the extremely wealthy.
Are Cultured Pearls Real Pearls?
Yes, cultured pearls are absolutely real pearls. They are made of the same nacre material and formed through the same biological process as natural pearls. The only difference lies in how the process begins: naturally by accident or intentionally by pearl farmers.
Some people mistakenly confuse cultured pearls with imitation pearls like Majorica or Mallorca pearls. Imitation pearls are not real pearls at all but man-made products typically consisting of glass or plastic beads coated with a pearlescent substance. Cultured pearls, on the other hand, are genuine organic gems created by living mollusks.
Why Natural Pearls Are So Expensive
Natural pearls command astronomical prices because of their extreme rarity. A natural pearl of equal size and quality to a cultured pearl can be worth 10 to 100 times more. Most natural pearls available today are vintage or antique pieces sold at auction, often fetching prices in the hundreds of thousands of dollars.
You'll rarely see natural pearls in regular jewelry stores. Most natural pearls of exceptional quality are displayed in museums, such as the pearls in the Crown Jewels. When Gina Lollobrigida's natural pearl and diamond earrings sold at auction in 2013, they fetched a record price of £1.6 million.
Benefits of Choosing Cultured Pearls
Cultured pearls offer several advantages that make them the practical choice for most jewelry buyers:
Accessibility and Affordability: Because cultured pearls are produced on farms with much higher survival rates, they're far more affordable than natural pearls while maintaining the same quality and beauty. A 100-inch freshwater cultured pearl necklace might sell for around $870, while a 49-inch natural pearl necklace could sell for $175,000.
Consistent Quality: Pearl farmers carefully monitor and nurture their oysters, resulting in high-quality pearls with excellent luster and minimal surface imperfections. Modern cultivation techniques have advanced to the point where many experts consider cultured pearls to be superior in quality to most natural pearls.
Greater Variety: Pearl cultivation allows for more control over pearl production, resulting in diverse shapes, sizes, and colors. From classic white rounds to unique baroque shapes and vibrant natural colors, cultured pearls offer options that suit any style preference.
Sustainable Production: Pearl farming can be done without depleting wild oyster populations, making cultured pearls a more environmentally conscious choice. Well-managed pearl farms actually improve water quality, as oysters are natural filter feeders.
Safety: Pearl farming is far safer than pearl diving, which was historically an extremely dangerous profession. Pearl divers faced risks including hypothermia, decompression sickness, dangerous sea creatures, and drowning. Cultured pearl production occurs in controlled farm environments that are safe for both workers and oysters.
Nacre Thickness: A Key Quality Indicator
One important difference between natural and cultured pearls is nacre thickness. Natural pearls typically have thicker nacre because they form over many years without intervention. Cultured saltwater pearls like Akoya have thinner nacre layers (around 0.5mm to 1mm) because they're harvested after about 2 years, while cultured South Sea pearls have exceptionally thick nacre (2mm to 4mm) because they mature for 2 to 6 years.
Thicker nacre means a more durable pearl that will maintain its luster longer. When shopping for cultured pearls, look for pearls with adequate nacre thickness to ensure your jewelry will last for generations.
Types of Cultured Pearls: Finding Your Perfect Match
Nearly every pearl you'll encounter in jewelry stores today is a cultured pearl. These cultured pearls fall into two main categories: saltwater and freshwater. Each type has distinctive characteristics that affect appearance, value, and price.
Akoya Pearls: The Classic White Pearl
Akoya pearls are what most people picture when they think of traditional pearl jewelry. Perfectly round with a bright, mirror-like luster, these are considered the classic pearl that every jewelry collection should include.
Where They're Grown: Primarily in Japan, with additional production in China and Vietnam. They're cultivated in the Pinctada fucata martensii oyster in the colder waters of the Pacific Ocean.
Size Range: Typically 2mm to 10mm, with 6mm to 8mm being the most common sizes. Sizes above 9mm are rare and command premium prices.
Colors: Primarily white to cream colored with pink (rose) overtones. They can also appear in shades of ivory, silver, gray, and blue. The consistent roundness and bright reflective luster make them ideal for classic pearl strands and bracelets.
Best For: Traditional pearl necklaces, formal jewelry, bridal accessories, and those seeking the iconic pearl look. Akoya pearls create a wonderful balance between formal and casual styling.
Price Range: More affordable than South Sea or Tahitian pearls but more expensive than freshwater pearls. Hanadama Akoya pearls represent the finest quality available, with each strand certified by the Pearl Science Laboratory of Japan in Tokyo.
Freshwater Pearls: Colorful and Affordable
Freshwater cultured pearls offer incredible variety and value, making them popular with both jewelry designers and customers. They present a rainbow of beautiful natural colors and unique shapes that range from free-form baroque to perfectly round.
Where They're Grown: Primarily in freshwater lakes, rivers, and ponds in China (99.99% of all freshwater pearls). They're cultivated in the Hyriopsis cumingii, also called the triangle shell mussel.
Size Range: Typically 2mm to 12mm, with some new experimental varieties reaching 14mm to 15mm. Edison pearls, a newer type of freshwater pearl, can reach impressive sizes of 9mm to 20mm.
Colors: Natural colors include pastel shades of pink, peach, lavender, white, and even metallic appearances. Some freshwater pearls display multicolor effects.
Unique Characteristics: Freshwater mussels can produce up to 30 pearls at once, compared to saltwater oysters which typically produce only one pearl at a time. This higher production volume makes freshwater pearls much more affordable.
Best For: Everyday wear, creative jewelry designs, those seeking colorful options, and budget-conscious buyers who don't want to sacrifice quality.
Price Range: The most affordable cultured pearl option, making them accessible to a wide range of customers.
South Sea Pearls: The Ultimate Luxury
South Sea cultured pearls are the largest, rarest, and most highly valued cultured pearls in the world. Their exceptional size, thick nacre, and satiny luster make them the crown jewels of the pearl world.
Where They're Grown: Primarily in the warm waters of Australia, Indonesia, and the Philippines. They're cultivated in the Pinctada maxima oyster, which comes in gold-lipped and silver-lipped varieties.
Size Range: 8mm to 22mm, with many pearls falling in the 10mm to 15mm range. Their large size is one of their most distinctive features.
Colors: White, silver, pale gold, and deep golden colors depending on the oyster type. White South Sea pearls come from silver-lipped oysters (mainly cultured in northwest Australia), while golden South Sea pearls come from gold-lipped oysters (mainly cultured in the Philippines).
Growth Time: South Sea pearls require 18 months to 6 years to fully mature, contributing to their rarity and value. This extended growth period results in exceptionally thick nacre layers averaging 2mm to 4mm.
Unique Characteristics: The thick nacre gives South Sea pearls their trademark satiny luster, which is softer and more glowing than the sharp shine of Akoya pearls.
Best For: Special occasion jewelry, investment pieces, those seeking the most prestigious pearls, and anyone who appreciates large statement gems.
Price Range: The most expensive cultured pearls, with strands of large South Sea pearls costing $100,000 or more.
Tahitian Pearls: Exotic Dark Beauties
Tahitian cultured pearls are the world's most famous naturally colored dark pearls. Often called "black pearls," they actually display an incredible spectrum of colors that shimmer with iridescent overtones.
Where They're Grown: Primarily in the tropical atolls and lagoons of French Polynesia (about 95%), with small amounts from the Cook Islands. They're cultivated in the Pinctada margaritifera, or black-lipped pearl oyster, which can grow up to 12 inches across.
Size Range: Typically 8mm to 16mm, with some reaching 18mm. They're one of the largest cultured pearl types available.
Colors: Despite being called "black pearls," Tahitian pearls range from pale dove gray to very dark charcoal gray. They display stunning iridescent overtones in peacock (green-blue), green, blue-green, silver, steel, copper, cherry, and purple. True jet black Tahitian pearls are actually quite rare.
Unique Characteristics: Tahitian pearls are the only naturally dark cultured pearls available (besides the extremely rare Sea of Cortez pearls from Mexico). Unlike black freshwater or black Akoya pearls, Tahitian pearls achieve their dark colors naturally without dyeing or radiation treatment.
Nacre Requirements: French Polynesian law requires that exported Tahitian pearls have a minimum nacre thickness of 0.8mm, which is exceptionally thick and ensures durability.
Best For: Those seeking unique, exotic jewelry, contemporary designs, and anyone who loves dark-hued gems. Their iridescent colors seem to visually adapt to whatever colors they're worn with.
Price Range: Second most valuable commercially farmed pearls after white South Sea pearls, typically ranging from $400 to $20,000 or more depending on size, quality, and color.
How to Care for Your Pearl Jewelry
Pearls are delicate gems that require special care to maintain their beauty and luster. Unlike other gemstones, pearls are made of organic material (calcium carbonate and protein) that can be easily damaged by chemicals, heat, and improper handling. With proper care, however, high-quality pearls can last for generations and even become treasured family heirlooms.
Daily Pearl Care Habits
Put Pearls On Last, Take Them Off First: This is the golden rule of pearl care. Apply all cosmetics, lotions, hairspray, and perfume before putting on your pearl jewelry. These products contain chemicals that can damage the pearl's nacre surface and cause yellowing over time.
Wipe Pearls After Every Wear: Use a soft, slightly damp cloth (like a microfiber cloth or fine cotton cloth) to gently wipe each pearl. This removes oils, dirt, sweat, and chemical residues from the surface. After wiping with a damp cloth, use a dry soft cloth to ensure pearls are completely dry before storing.
Wear Your Pearls Regularly: This might seem counterintuitive, but pearls actually benefit from being worn. Pearls contain about 4% water, and wearing them allows them to absorb natural oils from your skin, which helps maintain their moisture and luster. Pearls that sit unused in airtight containers for years can dry out and crack.
Avoid Water Exposure: Never wear pearls in the shower, while swimming, washing dishes, or washing your hands. Water can weaken the silk thread on pearl strands, and chlorine in pool water will eat away at the epoxy securing pearls to their mountings. If your pearls do get wet, dry them thoroughly with a soft towel before storing.
What to Avoid
Harsh Chemicals: Keep pearls away from household cleaners, bleach, ammonia, vinegar, hydrogen peroxide, and acidic substances. These can severely damage or dissolve the pearl's nacre surface. Even seemingly harmless products like toothpaste can be too abrasive for pearls.
Heat and Direct Sunlight: Prolonged exposure to high temperatures or direct sunlight can dry out pearls, causing them to crack, discolor, or lose their luster. Avoid wearing pearls on sunny beach days and store them away from heat sources and bright lights.
Ultrasonic and Steam Cleaners: Never clean pearls with ultrasonic jewelry cleaners or steam cleaners. These methods will damage the outer layer of the pearl and can cause permanent harm.
Perfume and Cosmetics: Hairspray, perfume, makeup, fake tan, and other cosmetic products contain acids and chemicals that eat away at nacre. Always apply these products before putting on your pearls.
Proper Pearl Cleaning
Regular Cleaning Method: If your pearls need more than a simple wipe-down, mix lukewarm water (never hot water) with a small amount of mild, unscented soap. Castile soap or gentle dish soap works well. Dip a soft cloth in the soapy water and gently wipe each pearl individually. Then use a clean cloth dampened with plain water to rinse off all soap residue.
Important: Do not submerge pearl necklaces or bracelets in water, as this will weaken and stretch the silk thread. Clean each pearl individually while keeping the strand relatively dry.
Drying: Lay pearls flat on a lint-free or absorbent towel to air dry completely. Never put pearls away while they're still damp, especially strands, as the moisture can cause the silk thread to fray and break.
Professional Cleaning: Take your pearl jewelry to a professional jeweler for a deep cleaning and check-up at least once a year. Jewelers can assess the condition of the silk thread, check mountings and clasps, and professionally polish your pearls to restore their luster.
Storage Best Practices
Store Pearls Separately: Pearls have a Mohs hardness of only 2.5 to 4.5, making them easily scratched by harder materials. Store pearl jewelry separately from other jewelry in a fabric-lined compartment, soft pouch, or wrapped in linen or silk cloth.
Keep Them Flat: Never hang pearl necklaces on hooks or jewelry trees. Hanging places unnecessary strain on the silk thread and can cause it to stretch over time. Always store pearl strands flat.
Allow Them to Breathe: Pearls need some moisture to maintain their structure and prevent cracking. Never store pearls in airtight plastic bags or containers. If you must keep pearls in a safety deposit box or very dry environment, leave a damp cloth nearby and try to remove them regularly to wear.
Avoid Plastic: Certain plastics can cause the pearl's surface to deteriorate. Use fabric pouches or lined jewelry boxes instead of plastic bags or containers.
Maintenance and Restringing
Restring Regularly: Pearl necklaces and bracelets should be restrung every 1 to 3 years depending on how often you wear them. If you wear your pearls daily or weekly, annual restringing is recommended. If you wear them occasionally, restringing every 2 to 3 years is sufficient.
Signs It's Time to Restring: When the silk thread becomes discolored, stretched, or shows signs of fraying, or when the pearls have loosened on the strand and no longer sit snugly together, it's time for restringing.
Knotting Between Pearls: Always have pearls knotted separately on the strand. This prevents pearls from rubbing together and wearing down each other's nacre. Knotting also ensures that if the strand breaks, you'll only lose one pearl rather than the entire strand.
Professional Services: Many pearl retailers offer restringing services, clasp repair or replacement, and even pearl replacement if a pearl becomes damaged.
Special Care for Different Pearl Jewelry Types
Pearl Necklaces and Bracelets: These require the most careful maintenance because of the silk threading. Keep them dry, store them flat, and have them restrung regularly.
Pearl Earrings and Rings: These are mounted on metal posts or settings rather than strung on thread. Care for the pearls the same way, but you can clean the metal separately with rubbing alcohol on a cotton swab without touching the pearl itself.
Pearl Rings: Consider reserving pearl rings for special occasions rather than daily wear. Rings are more likely to bump against hard surfaces, increasing the risk of scratching or damage.
Preventing Yellowing
All white pearls will naturally develop a cream or yellow tint over time as they age. This process can take many decades or even over a century with proper care. To slow the yellowing process:
- Store pearls in a cool, dark place away from heat and light
- Wear them regularly to keep them moisturized
- Keep them away from cosmetics and chemicals
- Clean them after each wear
- Ensure proper humidity levels in storage areas
FAQs About Pearl Jewelry
Q: Are cultured pearls worth anything?
A: Yes, cultured pearls can be quite valuable. Cultured South Sea pearls are the most valuable type, with strands of large, high-quality gems selling for $100,000 or more. Even freshwater cultured pearls have value, and all cultured pearls are considered fine jewelry. Value depends on factors like pearl type, size, shape, luster, surface quality, and nacre thickness.
Q: How can I tell if my pearls are real or fake?
A: There are several tests you can do at home. The tooth test is the most famous: gently rub the pearl against your front teeth. Real pearls (both natural and cultured) feel slightly gritty or sandy, while fake pearls feel smooth like glass. You can also examine the surface closely. Real pearls show slight imperfections and variations, while fake pearls look too perfect. Additionally, real pearls feel cool to the touch initially and then warm up, while fake pearls stay at room temperature.
Q: Why are freshwater pearls so much less expensive than Akoya or South Sea pearls?
A: Freshwater mussels can produce up to 30 pearls at once, while saltwater oysters typically produce only one pearl at a time. This dramatically higher production volume makes freshwater pearls more abundant and therefore more affordable. Additionally, freshwater pearls generally have thinner nacre and take less time to cultivate than saltwater pearls.
Q: Can I wear my pearls every day?
A: Yes, wearing pearls regularly is actually beneficial for them. Daily wear helps pearls retain moisture and maintain their luster by absorbing natural oils from your skin. However, you should reserve pearl rings for special occasions since rings are more prone to bumping and scratching. Always remember to wipe your pearls with a soft cloth after each wear.
Q: How do I know when my pearl necklace needs restringing?
A: Look for these signs: the silk thread appears discolored or dirty, the thread looks stretched or frayed, the pearls have loosened and gaps appear between the knots, or you can see the thread between pearls where you shouldn't. If you wear your pearls frequently, have them inspected annually by a jeweler.
Q: What makes Tahitian pearls black?
A: Tahitian pearls get their dark colors naturally from the black-lipped pearl oyster (Pinctada margaritifera) that produces them. The color of the oyster's mantle tissue influences the pearl's color. Unlike black freshwater or black Akoya pearls which are dyed or irradiated, Tahitian pearls are naturally dark, ranging from dove gray to charcoal with stunning iridescent overtones.
Q: Can scratched pearls be repaired?
A: Unfortunately, pearls cannot be polished or repaired like other gemstones. The nacre surface is soft and cannot withstand abrasive polishing. Once a pearl is scratched, the damage is permanent. This is why proper storage and careful handling are so important. However, a skilled jeweler may be able to replace a single damaged pearl in a strand during restringing.
Q: Should I insure my pearl jewelry?
A: Yes, valuable pearl jewelry should be insured, especially high-end pieces like South Sea or Tahitian pearl strands. Pearl jewelry insurance covers loss, damage, theft, and disappearances. Many jewelry insurance companies offer affordable coverage specifically for pearl jewelry. Keep documentation of your pearl purchases, including any certificates of authenticity, for insurance purposes.
Q: How long do pearls last?
A: With proper care, high-quality cultured pearls can last for many generations. Vintage pearl jewelry over 100 years old is still worn and treasured today. The key factors in pearl longevity are adequate nacre thickness, proper care and maintenance, and regular restringing. Pearls with thick nacre (like South Sea pearls) are more durable and longer-lasting than those with thin nacre.
Q: What are Hanadama pearls?
A: Hanadama (meaning "Spherical Flower" in Japanese) refers to the highest quality Akoya pearls available. These pearls must meet strict standards for luster, surface quality, and nacre thickness. Each strand of Hanadama pearls comes with an official certificate from the Pearl Science Laboratory of Japan in Tokyo. Without this certificate, pearls cannot be called Hanadama.
FAQs About FJD as a Business
Q: Does FJD offer pearl jewelry?
A: FJD specializes in fine jewelry including pearl pieces. Our collection features carefully selected cultured pearls in various styles from classic strands to contemporary designs. Each piece is chosen for exceptional quality and craftsmanship.
Q: What types of pearls does FJD carry?
A: FJD carries a curated selection of cultured pearls including Akoya, freshwater, and other premium pearl varieties. Our jewelry designers work with high-quality cultured pearls that offer excellent luster, surface quality, and nacre thickness.
Q: How do I care for pearl jewelry purchased from FJD?
A: Follow the care instructions in this guide: wipe pearls with a soft cloth after each wear, avoid chemicals and cosmetics, store them separately in a soft pouch, and have them professionally cleaned and inspected annually. FJD also offers care advice with each pearl jewelry purchase.
Q: Are FJD's pearls certified or authenticated?
A: FJD sources pearls from reputable suppliers and provides documentation for premium pearl jewelry. Specific certification details vary by piece. Contact us for information about authentication and grading for individual items.
Q: Does FJD offer custom pearl jewelry design?
A: FJD may offer custom jewelry services. Contact our design team to discuss creating a unique pearl jewelry piece tailored to your preferences, whether you're looking for a special gift or a personalized treasure.