Unique Kashmir sapphire and diamond ring, circa 1938, Van Cleef & Arpels. photo courtesy Sotheby's Centring on an invisibly-set cushion-shaped sapphire weighing 7.54 carats, framed by tapered baguette diamonds, the shank accented with brilliant-cut diamonds,...

Sapphire and diamond ring. Photo Sotheby's The cushion-shaped sapphire weighing 21.24 carats, flanked by trapeze-cut and round diamonds weighing approximately 2.10 carats, mounted in platinum, size 5¾. Est. 90,000—110,000 USD. Lot Sold 110,500 USD Pair...

Sapphire and diamond bracelet. Photo Sotheby's Cushion-shaped sapphires weighing 6.87, 9.58, 8.97, 10.68, 14.62, 18.57, 10.83, 10.43, 10.03, 8.46 and 6.00 carats, emerald-cut diamonds weighing approximately 7.10 carats, mounted in platinum, length 7 inches....

An antique ivory and multi-gem elephant The carved ivory elephant, with cat's eye chrysoberyl eyes and ivory tusks with gold detail and caps, wearing a gold ropework chain with a gold bell, ornately decorated with a vari-cut multi-colored sapphire, ruby,...