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Lot 211
A platinum set natural star sapphire and diamond ring. The oval cabochon sapphire weighing 5.68 carats, with six rayed star and no indications of heating in a 22ct gold collet setting, flanked by a pair of pear shaped diamonds weighing a total of 0.65ct, D colour, VS2, size K, weight 11.72g. With AGTA Gemological Testing Centre report 98007110, dated Aug 29 2007.
Lot 396
Boucheron - A yellow sapphire and diamond platinum ring. The Sri Lankan rectangular cut cornered sapphire weighing 9.98 carats, the shoulders each vertically set two baguette cut diamonds of 1ct total weight, the hoop signed BOUCHERON PARIS, French Assay marks, size L, 8.2g. Laboratorie Francais de Gemmologie report no. 172504 states that this sapphire weighs 9.98 ct, origin Sri Lanka and with no indication of heat treatment.The sapphire is in good condition. No chips or scratches. The diamonds are bright and no visible inclusions. Please see an image of the marks now online. This ring sold with Christies, please see description. We have verified that this ring was in the auction. We also have an insurance valuation from Christie's with the ring included. Unfortunately the certificate has been lost since the purchase of this ring. The laboratory number was included in an insurance valuation, which we have used in this description.
Lot 105
An Art Deco platinum emerald and diamond ring, set with octagonal step-cut emerald, and baguette and modern round brilliant-cut diamonds, emerald measures 5.20mm x 3.90mm x 2.46mm, setting height 10.3mm, size N, 4.2gAll stones present, emerald has a large corner chip and several obvious inclusions with a vibrant medium green saturation, diamonds bright white and fiery, settings slightly worn with a well concealed join mark on back of shank, marks clear, engraved Platinum
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