Art Deco 2.17 CTW Old Mine Diamond Platinum Knife Edge Vintage Engagement Ring Ruby Stamped 18ct for 18 karat

Stamped 18ct for 18 karat gold

Pendant brooch measures: 1 1/2 x 1 1/2 inches

0 mm button pearl

Stamped for platinum

Set in a floating miligrain bezel with a pierced octagonal halo surround

Art Deco 2.17 CTW Old Mine Diamond Platinum Knife Edge Vintage Engagement Ring Ruby Stamped 18ct for 18 karatCentering an old mine cut diamond weighing approximately 1. 75 carats K color with SI1 clarity Set with talon prongs in milgrain detailed bezel basket and flanked by chevron shoulders With single cut diamonds bead set throughout with hidden halo detail Weighing approximately 0. 42 carat total eye clean and bright Accented by knife edge shank Tested as platinum Circa: 1930s Ring size: 5 3 4 and sizable Measures north to south 8. 0 mm and sits 5. 5 mm