Bidspirit auction | Platinum 5.45ct Natural Jadeite and

Platinum 5.45ct Natural Jadeite and 0.40ctw Natural Diamond Cocktail Ring US Size 5 with Sorting Memo - This platinum cocktail ring features a prominent central gemstone and tiered diamond shoulders. The center stone is a 5.45ct natural green jadeite jade oval cabochon held in a four-prong setting with double prongs at each corner. The jadeite exhibits a vivid green color and slight translucency. Flanking the center stone are two clusters of natural diamonds totaling 0.40ctw, featuring a combination of round brilliant-cut and tapered baguette-cut natural diamonds set in prong and channel settings. The setting includes an openwork scrolled wire undergallery. The interior of the shank bears multiple stamps including Pt900, 5.45, and 0 40. Metallurgical analysis confirms the composition as 90.2% platinum and 9.8% palladium. The ring is accompanied by a Colored Stone Sorting Memo from Gem Research Japan Inc. (No. CS-430071) identifying the stone as natural jadeite with evidence of standard wax processing. US Size 5.