This is the question we field most often, and the honest answer swings enormously: a single freshwater bead might be worth two dollars, while a matched strand of large round South Sea pearls runs into five figures. Most price guides answer with vague ranges and no source. Because we farm and sell our own harvest, we publish the actual medians from our live catalog in our real pearl prices report — the numbers below come from there.

The pearl price ladder, type by type

One thing first: cultured pearls are real pearls. Nearly every fine pearl sold in the last century is cultured — a technician seeds the oyster, and the animal builds the gem layer by layer. That is not a downgrade; it is simply how pearls are produced.

The ladder is a starting point, not a verdict. A sharply mirrored top-grade Akoya outprices a chalky, blemished South Sea every time. The factors below decide where a pearl lands within its type.

The six factors that decide the price

• Size: each extra millimeter means more years in the oyster and fewer survivors at harvest. The jump from 12 mm to 14 mm is far steeper than from 9 mm to 11 mm.
• Luster: the single biggest multiplier. Sharp, well-defined reflections mean thick, well-formed nacre; a blurred, milky reflection drags any pearl down.
• Shape: truly round is rarest — only a small fraction of any harvest. Drops and baroques of equal luster cost 30–70% less, which makes a baroque strand the smart buy for presence on a budget.
• Surface: a clean skin raises the price. A few faint natural marks are normal and even reassuring; deep or numerous blemishes are not.
• Color: scarcer colors command more — deep golden South Sea, and the richly overtoned Tahitians (peacock and aubergine, natural to Pinctada margaritifera and never dyed) sit at the top of their size bands.
• Nacre thickness: luster's structural cause. Thin nacre over the bead nucleus shows as a faint blink or shadow when you roll the pearl under light.

For strands and pairs, add a seventh: matching. We sort thousands of pearls by millimeter, color and luster to assemble one even rope, and that labor is most of the gap between a loose pearl and a finished necklace.

How to read a pearl in your hand

Hold it under a single light and study the reflection of the bulb. Crisp edges and strong contrast — bright highlight, deep shadow — mean high luster. Then roll it slowly: a flicker or dark blink near the surface betrays thin nacre over the nucleus. Real pearls also feel cool for a second when they touch the skin, and slightly gritty edge-on against a tooth. None of this needs a lab; it is exactly what we do at the grading table, just faster.

What about an inherited strand? Resale, honestly

Most inherited strands are mid-century Akoya, and the honest news is that secondhand pearls resell well below retail — there is no liquid market like there is for gold. What lifts the figure: large sizes, documented species, clean thick nacre, and an 18k clasp. What helps regardless of resale: restringing every few years if worn, since silk stretches. Pearls are adornment and heritage, not a financial product — if a seller pitches them as one, walk away.

Are cultured pearls real pearls?

Yes. A cultured pearl is grown by a living oyster from layered nacre, identical in material to a natural pearl; only the trigger — a seeded nucleus instead of chance — differs. "Fake" means coated glass or plastic imitations.

How much is a real pearl necklace worth?

From our catalog data: Akoya strands typically $300–$1,500, Tahitian strand medians $780–$1,230, and white South Sea strands $3,900–$5,200 at 12–13 mm. Boutique retail often lists comparable pieces at three to six times those figures.

Why are some pearls only $20?

Small freshwater pearls are harvested by the dozen per mussel, so supply is huge. Off shapes, faint luster or thin nacre push saltwater pearls down too — under roughly $50 for a finished saltwater piece, be skeptical of what species you are really getting.

The fastest way to calibrate your eye is to compare real listings at farm prices: browse our loose Tahitian pearls pearl by pearl, or start smaller with classic Akoya pearls, and check any quote — including ours — against the published price matrix.