Art Deco Inspired 18K Yellow Gold Platinum 2.12 Carat Round Brilliant Diamond Natural Sapphire Halo Engagement Ring Paraiba There is also a makers

There is also a makers mark of the letters A and K

Serial Number: 12862288

The center opal measures 4

Black Starr & Frost were the retailers of this Fine set but it was produced by Dominick & Haff

Ring Weight: 14

Art Deco Inspired 18K Yellow Gold Platinum 2.12 Carat Round Brilliant Diamond Natural Sapphire Halo Engagement Ring Paraiba There is also a makersEra: Art Deco Inspired Composition: 18K Yellow Gold & Platinum Primary Stone: Round Brilliant Cut Diamond Carat Weight: Approximately 2. 12 Carats Color Clarity: O P VS1 Accent Stone: Twenty Four Natural Sapphires Carat Weight: Approximately 1 Carat in Total Accent Stone: Six Old European Cut Diamonds Total Carat Weight: Approximately 3. 12 Carats Ring Size: 7 Ring Weight: 3. 7 Grams Item Barcode: 034877