An Important Edwardian Yogo Gulch Montana Sapphire and Diamond Bracelet, Tiffany & Co., containing ten oval mixed cut Yogo Gulch Montana sapphires, the largest measuring approximately 7.40 x 5.50 x 3.94 mm and the smallest measuring approximately 6.50 x 5.50 x 3.64 mm, and 27 old European cut round diamonds weighing approximately 1.35 carats total.
Stamp: TIFFANY&CO.
Accompanied by a box signed TIFFANY & CO NEW YORK.
Accompanied by an American Gemological Laboratories sapphire identification and origin certificate number 1091720 (nine gemstones tested), dated April 13, 2018, stating Mineral type: Natural Corundum, Variety: Sapphire, Origin: USA (Montana-Yogo Gulch), Enhancement: No gemological evidence of heat.
8.40 dwts.
Estimate $140,000-240,000 Property of a Prominent Shipbuilding Estate, New York, New York The bracelet had been shortened before it was certified. The bracelet was recently restored to its original length.
Condition
The bracelet had been shortened before it was certified. The bracelet was recently restored to its original length.
The approximate carat weights for the sapphires from the female end of the clasp to the male end are as follows:
1.18 carats, 1.40 carats, 1.16 carats, 1.25 carats, 1.15 carats, 1.55 carats, 1.35 carats, 1.50 carats, 1.10 carats, and 1.12 carats.