Rare Diamond and Colored Stone Jewelry

Unusual diamonds and sapphires, rubies, and emeralds from important mines.

A bracelet with rich green cabochon emerald ends and a gold cuff

Rare Russian Cuff Bracelet

Yellow gold, old mine diamond and cabochon emerald bangle bracelet, the emeralds (Colombian) weighing a total of about 7.00 carats, St. Petersburg, c. 1870, with royal provenance.

Front view of the large sapphire ring with an ornate foliate mounting

8.55 Carat Ceylon Sapphire Ring

Yellow gold, platinum, diamond and sapphire ring, set with a cushion shaped sapphire weighing 8.55 carats (Ceylon, no heat) with the mounting signed Schlumberger for Tiffany & Co.

Rare Ceylon Sapphire and Colored Diamond Ring

Yellow gold and platinum three stone ring containing a 6.08 carat cushion sapphire (Ceylon, no heat) with a pair of antique shield cut vivid yellow diamonds weighing a total of 2.37 carats, by Firestone and Parson.

Rare Pair of Line Bracelets

Very fine pair of platinum, square cut Columbian emerald and square cut diamond 5 x 5 alternating line bracelets of unusual width, c. 1935.

Boucheron Antique Cushion Diamond Ring

Fine platinum and diamond solitaire ring containing an antique cushion cut diamond weighing 5.90 carats (G color, SI1 clarity) with baguette diamonds set to the shoulders, Boucheron, Paris, c. 1925.