Black pearls: naturally dark Tahitian or dyed freshwater?
Both options are genuine cultured pearls from a mollusc. They differ in where their colour comes from, and therefore in rarity and price. A Tahitian pearl gets its dark shade directly inside the oyster, while a freshwater pearl gets it only through dyeing after removal.
|
Tahitian pearl |
Dark freshwater pearl |
| Origin of colour |
Natural, from the oyster |
Dyeing after removal from the mussel |
| Mollusc |
Pinctada margaritifera (sea) |
Hyriopsis (fresh water) |
| Shades |
Grey, green, peacock, aubergine, silver |
More uniform dark tones |
| Usual size |
8–15 mm |
Most often 6–10 mm |
| Quality grading |
A–D scale |
AAA–A scale |
| Price |
Higher, a rare pearl |
Affordable |
| Ideal for |
An exceptional piece and a gift for life |
Everyday wear and a first piece of dark pearl jewellery |
What shades black pearls come in
A naturally dark pearl is rarely completely black. Tahitian pearls shimmer with grey, green, blue, purple and bronze tones, and the most prized is the so-called peacock shade with a green-blue lustre. That is why every pearl is unique. Read more about the colours in the article Are black pearls really black?
Not sure which to choose? We are pearl specialists and will be happy to help you choose the shade, size and quality. Write to us by email or chat. Customer service →
Frequently asked questions
Which pearl is naturally black?
The only naturally dark pearl commonly sold in jewellery is the Tahitian pearl from the Pinctada margaritifera oyster. Other dark pearls on the market, namely freshwater and Akoya pearls, get their colour through treatment.
Are dyed pearls real?
Yes. A dyed freshwater pearl is a genuine cultured pearl from a mussel – only its dark shade did not form naturally. It is not a glass or plastic imitation. How to recognise a real pearl is explained in the guide How to Tell a Fake Pearl from a Real One.
Are black pearls really black?
Rarely. Naturally dark Tahitian pearls usually have grey, green, blue, purple or bronze tones. A completely black pearl is a rarity.
Are there black Akoya pearls?
Yes, but the natural colour of Akoya pearls is white, cream or soft pink. Black Akoya pearls are therefore always dyed. If you want a naturally dark pearl, choose a Tahitian pearl.
How is the quality of Tahitian pearls graded?
Tahitian pearls are graded on a scale from A to D based on surface cleanliness, lustre and shape. A is the highest grade. You will find details in the guide Pearl Quality Evaluation.
This text was prepared and reviewed by the team of pearl specialists at Buka Jewelry, based on our experience since 2013. Last updated: October 2026.