Why South Sea pearls are the most precious in the world Golden South Sea pearls are among the largest, most spectacular, and most valuable pearls in existence. A necklace can cost from $10,000 to $300,000. They are cultivated in the giant mollusk Pinctada maxima , with its golden-lipped shell. Their rarity and sensitivity make cultivation extremely challenging and far more expensive than other saltwater pearls. Why are they the most valuable pearls?...
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