Art Deco T.B. Starr 2.45 Cushion Cut Sapphire in Platinum Ring, America 1665 surrounded by 20 old mine-cut

surrounded by 20 old mine-cut diamonds

52 carat oval sapphire of circa

3 carats total

set in an oval-shaped onyx cabochon

A quintessential Art Deco treasure

Art Deco T.B. Starr 2.45 Cushion Cut Sapphire in Platinum Ring, America 1665 surrounded by 20 old mine-cutArt Deco ring centering a GIA certified 2. 45 carat cushion cut natural and unheated Cambodian sapphire. In a dome shaped ring accented with single cut diamonds, approx. 0. 75 carat. Mounted in openwork and millegrain platinum. Signed T. B. Starr. Center: 13mm, band: 1. 6 3. 3mm. Circa 1920. This bomb or domed profile does a beautiful job of highlighting both the facets and curves of the sapphire's cushion cut. Diamond and gold mining has caused