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While there are hundreds of different types of pearls, thejewelleryindustry is dominated by four major families. Each is characterised by the species of mollusc that creates it, the waters in which it grows, and the quality of the pearl it produces.
Freshwater pearls are the most widely produced pearl type in the world, cultivated primarily in China inside freshwater mussels. Because a single mussel can produce multiple pearls in a relatively short timeframe, they are the most accessible in terms of price.
They typically range from 4mm to 13mm and come in natural colours including white, pink, lavender and peach, though they are often dyed to create more varied hues. Freshwater pearls are a popular entry point into the world of pearls, widely used in fashion jewellery and decorative pieces.
Location
China predominantly
Time to produce
6 to 12 months
Pearl size
4mm to 13mm
Akoya pearls are the classic pearl most people picture when they imagine a timeless strand, made famous by Mikimoto. Cultivated in saltwater oysters primarily in Japan, the Akoya oyster is the smallest commercially farmed pearl producing oyster.
They are celebrated for their near perfect round shapes, brilliant mirror like lustre and refined white body colour with rose or silver overtones. Typically ranging from 5mm to 10mm, with anything over 9.5mm considered exceptionally rare, Akoya pearls have long been the standard for bridal and heirloom jewellery.
Location
Japan primarily, with production in China and Vietnam
Time to produce
10 to 18 months
Pearl size
5mm to 10mm
Often called black pearls, though their true beauty lies in far richer tones: peacock, green, aubergine and smoke. Farmed in the lagoons of French Polynesia from the black lipped Pinctada margaritifera oyster, Tahitian pearls are naturally dark, never dyed, and significantly larger than Akoya or freshwater varieties.
They typically range from 8mm to 16mm and are valued for their dramatic natural colours, high lustre and large sizes, making them highly sought after for statement and contemporary jewellery.
Location
French Polynesia, with production in the Cook Islands, Fiji and Micronesia
Time to produce
18 to 24 months
Pearl size
8mm to 16mm
South Sea pearls are the largest of all cultured pearl types, prized for their exceptional nacre thickness, soft satiny lustre and natural colours ranging from optic white and silver through to cream, champagne and deep honey gold.
Produced by the Pinctada maxima, the largest pearl producing oyster in the world, these slow growing, highly sensitive filter feeders only flourish in pristine, nutrient rich tropical waters, limiting cultivation to Australia, Indonesia and the Philippines
It takes between two and four years to produce a single South Sea pearl, and each oyster yields only one per harvest. The nacre deposited is the thickest of any cultured pearl, typically 2 to 6mm, giving South Sea pearls their extraordinary depth of lustre and a longevity that spans generations.
Location
Australia, Indonesia and the Philippines
Time to produce
2 to 4 years
Pearl size
8mm to 20mm, with rare specimens over 21mm
The price differences between pearl types can be significant, and they are driven by one fundamental principle: the longer and more difficult a pearl is to produce, the rarer and more valuable it becomes. Freshwater pearls are the most affordable because they are produced in the highest volumes, with multiple pearls yielded per mussel in under a year. Akoya pearls command higher prices due to their superior lustre and consistency, with each oyster producing only one pearl over up to 18 months. Tahitian pearls are valued for their rarity of colour, as the only naturally dark pearl in the world, requiring up to two years of cultivation in the remote lagoons of French Polynesia. South Sea pearls sit at the top of the value scale, requiring up to four years of careful nurturing in pristine tropical waters to produce a single gem with the thickest nacre of any cultured pearl
But value is also personal. The right pearl is the one that speaks to you, whatever the type.
While there are hundreds of different types of pearls, the jewellery industry is dominated by four major families. Each is characterised by the species of mollusc that creates it, the waters in which it grows, and the quality...
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