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the weight of this pearl ring with 18 carat yellow gold is 13 grams and 55 whistles
and with 18 carat white gold, 12 grams and 89 whistles
and with 925 silver, it weighs 9 grams and 11 whistles.
today, natural pearls are extremely rare, which increases their value considerably. the search for the perfect pearl, whether natural or farmed, has gone on for centuries. in fact, evidence of pearl cultivation goes back to at least the 13th century ce. in ancient times, the expense of perfect pearls gave rise to a curious spell for increasing wealth. the caster would select a particularly fine pearl, infuse it with the desire for riches, and then throw it away into a rubbish heap. the idea behind this sympathetic magic practice was that someone who could throw away pearls was rich indeed.
the rarity and expense of pearls also contributed to some common expressions still used today. in the bible, matthew 7:6 admonishes against throwing “pearls before swine,” wasting what is valuable on fruitless endeavors. we still commonly refer to precious advice and counsel as “pearls of wisdom.” in the millennia before perliculture, pearls were very hard to find and harvest. when wisdom is given, treasure it like a rare pearl.
13 mm white south sea pearl earrings with silver overtones in diamond pavé ribbon settings. © urth kandi jewelry. used with permission.
are pearls feminine jewels?
pearl’s associations with the moon and venus seem to reinforce the popular perception that it’s a feminine jewel. the mineralogist george kunz, in his 1913 work, the curious lore of precious stones, made this comparison between diamond and pearl:
the diamond is to the pearl as the sun is to the moon, and we might well call one the “king-gem” and the other the “queen-gem.” the diamond, like a knight of old — brilliant and resistant, is the emblem of fearlessness and invincibility; the pearl, like a lady of old — pure and fair to look upon, is the emblem of modesty and purity.

this celebrated 1665 painting by johannes vermeer, girl with a pearl earring, has inspired a novel, a play, and a film. from the collection of the mauritshuis, the hague, netherlands. public domain.