18ct Gold Diamond & Ruby Set Necklet with Valuation Certificate
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18ct gold diamond & ruby set necklet, stamped 750/K18, 813/753/D640, the necklet graduating from a v-shaped foliate center, claw set with with oval and round cut rubies with smaller baguette cut rubies to the ribbon design, surrounded by grain and claw set round brilliant cut diamonds, the whole containing approx. One hundred and ten rubies totalling 15.66ct of rubies and approx. Four hundred and twenty seven brilliant cut diamonds totalling 6.40ct (colour H-I/ clarity Vs-SI1), total weight 63.1gm, total length 42.5 cm includes valuation certificate dated 2015
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- Foliate - Decorated with leaves or leaf-like forms.
- 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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