Antique 1920s 0.40ct Old Mine Brilliant Diamond Platinum Engagement Ring Signed Jewelry The pin measures 68mm by

The pin measures 68mm by 53mm and weighs 33

5 grams and is stamped 750

This is a gorgeous vintage ruby diamond 18k yellow gold ring from the 1960s

00 and weighs 7

Antique 1920s 0.40ct Old Mine Brilliant Diamond Platinum Engagement Ring Signed Jewelry The pin measures 68mm byThis is a gorgeous diamond platinum engagement ring from the 1920s. The ring features sparkling old mine brilliant diamond that weighs approximately 0. 40ct. The color of the diamond is G with VS1 clarity. The center stone is accentuated by smaller round cut diamond accents. The ring weighs 3 grams. The ring is size 8 but it can be resized. The top of the ring measures 5mm by 5mm. The ring is stamped 950PLAT.