Lot 529. Attractive 12.25 carats Burmese ruby and diamond ring. Estimate 140,000 — 230,000 CHF. Lot sold 350,500 CHF. Photo: Sotheby's 2012 Claw-set with a sugarloaf cabochon ruby weighing 12.25 carats, between triangular diamond shoulders, size 521/2....

An Art Deco 13.50 carats Burmese ruby single-stone ring, by Drayson, circa 1930. Estimate £6,000 - 8,000 (€8,200 - 11,000 ). Photo Bonhams. The sugarloaf cabochon ruby between scrolling shoulders set with baguette-cut diamonds and rose-cut rubies, mounted...

Ruby and diamond ring. Photo: Sotheby's. Centring on a sugarloaf cabochon ruby weighing 8.78 carats, surrounded by pear-shaped diamonds together weighing approximately 4.15 carats, embellished by brilliant-cut rubies together weighing approximately 1.45...

Platinum, Gold, Cabochon Ruby and Diamond Ring. Photo courtesy Doyle New York. Centering one sugarloaf cabochon ruby approximately 16.00 cts., flanked by 2 modified shield-cut diamonds approximately 1.00 ct. Size 6 1/4. Estimate $15,000-20,000 Doyle New...

Attractive ruby and diamond ring - Photo Sotheby's Claw-set with a sugarloaf cabochon ruby weighing 12.25 carats, between triangular diamond shoulders, 521/2. Estimate: 140,000 - 230,000 CHF. Lot Sold: 350,500 CHF Accompanied by Gübelin report no. 0302653,...

25.50-Carat Brilliant-Cut Unmounted DColour Flawless Diamond. Photo Sotheby's QUEK Chin Yeow, Deputy Chairman and Head of Jewellery Department, Sotheby’s Asia. said, “Today’s offering of jewels and jadeite at Sothebys Hong Kong achieved the Second Highest...

Diamond 'string' ring, JAR, Paris. Photo Sotheby's The oval diamond weighing 16.04 carats, set within a diamond 'string' platinum mounting, size 6, maker's mark, French assay mark. With signed box with monogram LMS. Est. 350,000—450,000 USD - Lot Sold....