Akoya vs Freshwater Pearls: What You're Actually Paying For
Most people assume the akoya vs freshwater question comes down to quality. It doesn't, not entirely.
Akoyas really are rarer, and they really do have a gorgeous mirror-like shine. But part of what you pay for is history and reputation. Freshwater pearls have quietly become one of the most interesting corners of the pearl world, and most people have no idea. I'm currently taking the Pearl Specialist Course from Pearls As One, and here's what I've learned so far.
Why are akoya pearls so expensive?
Akoyas are saltwater pearls, grown in small oysters. Each oyster usually gives just one or two pearls per harvest. A freshwater mussel, on the other hand, can grow a few dozen pearls at once. That difference alone explains a lot of the price gap.
Akoyas have also become harder to produce. Over the past several years, Japanese pearl farms have lost large numbers of oysters to die-offs linked to warming water and disease. Fewer oysters means fewer pearls, and prices have climbed.
But rarity is only part of the price. The bigger part, honestly, is the story.
Japan built the modern cultured pearl industry. Kokichi Mikimoto produced his first cultured pearls in the 1890s, and akoyas became the pearl the whole world learned to recognize.
Japan also shaped how pearls are graded, processed and sold. Here's my favorite detail: pearls are still traded by weight in momme, a traditional Japanese unit equal to 3.75 grams. Even pearls that have nothing to do with Japan get weighed that way.
So when you buy an akoya, you're buying a beautiful pearl. You're also buying more than a century of very good storytelling.
Freshwater pearls, most of which come from China, never had anyone telling their story. I wrote about that in Why has nobody talked about Chinese pearls?
Are freshwater pearls real pearls?
Yes. Freshwater pearls and akoyas are both real cultured pearls, grown by a living mollusk. The difference is what's inside, and it surprises almost everyone. Most akoyas are grown around a round shell bead, and the oyster coats that bead in layers of nacre. The nacre is often well under a millimeter thick. That's what gives akoyas their perfectly round shape and sharp shine.
Traditional freshwater pearls are grown without a bead. The mussel builds the whole pearl out of nacre, nearly all the way through. That's why freshwater pearls come in so many organic, one-of-a-kind shapes, and why they hold up so well to everyday wear.
Some newer freshwater pearls are beaded, though, and that's where things get exciting. Edison pearls are grown around a bead, just like akoyas, but they stay in the mussel much longer and build up a thick coat of nacre. The result is big, round pearls, often 10 to 15 mm, with a bright, almost metallic luster.
The best Edison pearls have moved firmly into the fine jewelry market. Put them next to saltwater pearls and they hold their own, at a much friendlier price. If you want to go deeper, I wrote a whole post on Edison pearls, the freshwater pearl most people have never heard of.
Neither one is "better." They're just made differently, and it's worth knowing what you're getting.
What are Edison, fireball and souffle pearls?
Freshwater pearls never had a famous name behind them. What they've had is innovation. Pearl farmers and scientists in China have spent the last couple of decades experimenting, and some of the most exciting pearls today came out of that work.
Edison pearls are the beaded freshwater pearls I mentioned above, in natural colors from white to pink to deep purple.
Fireball pearls grow with a tail of nacre that curls like a little flame. No two look alike.
Souffle pearls are grown around a core of mud that later dries and shrinks. They end up big and surprisingly light, with a soft, glowing finish.
I love that freshwater pearls are still being reinvented. It's a big part of why I work with them.
Akoya or freshwater: which should you buy?
If you want a classic, perfectly matched strand with that crisp mirror shine, akoyas are worth the price. They've earned their reputation.
If you want character, everyday durability, or a shape nobody else is wearing, freshwater pearls give you far more for your money. And with pearls like Edisons and fireballs, you're not settling for less. You're getting something newer.
If you're curious what that looks like in person, take a look at my freshwater and baroque pearl pieces. Every one starts with a pearl I picked by hand.
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