A Platinum Topped Yellow Gold, Ceylon Sapphire and Diamond Ring, Tiffany & Co. Mounting

containing one rectangular cushion cut sapphire weighing 6.60 carats and six old European cut diamonds weighing approximately 0.12 carat total.
Stamp: TIFFANY&CO. 2.

Accompanied by an American Gemological Laboratories sapphire identification and origin certificate number 1081017, dated January 12, 2017, stating Mineral type: Natural Corundum, Variety: Sapphire, Origin: Ceylon (Sri Lanka), Enhancement: No gemological evidence of heat, Clarity Enhancement: None.
2.50 dwts.

The ring is an approximate size 4.
Sapphire is blue in hue with even, medium light tone and saturation. With a few minor nicks.
Diamond Characteristics (graded in setting):
Color: G
Clarity: VS.
Fluorescence: None.