Boulder Opal and Diamond Earring & Pendant Set
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A boulder opal and diamond earring and pendant suite, a boulder opal and diamond earring and pendant suite, featuring freeform boulder opals, each earring measuring approximately 18.5 x 7.5 mm, surmounted by a round brilliant cut diamond of 0.17cts, matching pendant with boulder opal measuring 19.8 x 12.4 mm, surmounted by a round brilliant cut diamond of 0.36cts; all mounted in 18ct gold. Threaded backing to earrings. Total weight 11.4gms.
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- Brilliant Cut - In their naturally occuring state diamonds have little life or sparkle and for many centuries were simply cut in half and worn in amulets. Invented at the end of the 17th century by a Venetian diamond cutter, a "brilliant cut" diamond has 58 facets arranged in a regular geometric relationship, with 33 above the crown and 25 below on the pavilion.
The introduction of the brilliant cut increased the popularity of diamonds in jewellery as it was the first cut to reveal the fire of the diamond, with the light being internally reflected from one facet to another, and was superior to the previously used table cut and rose cut.Variants to the brilliant cut have emerged since the end of the 17th century, but the popularity of the original brilliant cut has continued to the present time, where it is still the most commonly found cut.
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