Art Deco Old European Cut Diamond Three Stone Platinum Vintage Engagement Ring emerald cut saturated blue color and is

saturated blue color and is noted for having no indications of heat treatment

22 carat GIA certified old mine cushion cut diamond with F color and SI1 clarity

10 carat old mine cushion cut diamond with H color and VVS1 clarity

Antique Victorian ring made in 14k yellow gold and centered with an elongated cabochon turquoise

Victorian antique three-stone engagement ring

Art Deco Old European Cut Diamond Three Stone Platinum Vintage Engagement Ring emerald cut saturated blue color and isArt Deco three stone vintage engagement ring centered with a . 62 carat old European cut diamond, flanked by two matching old European cut side stones weighing . 52 ct total. The diamonds are set in platinum featuring finely executed millegrain edges, geometric segmentation, and hand engraving throughout, with a structured arrangement of smaller accent diamonds set between and around the principal stones. The gallery is constructed with openwork and