Antique Art Deco Diamond Engagement Ring in 18k White Gold 52cttw VEG 91This item is in the category Jewelry & Watches\Fine Jewelry\Fine Rings\Diamond. Antique 1920s. 75ct old euro vs g diamond emerald 18k white gold filigree ring rare find and almost 100 years old. The seller is oldtreasures333 and is located in American Fork, Utah. Item Description Antique 1920s 18k White Gold ring with a.