Marks: "SHOWPIECE 14K" Stamped on the inside band

and gently transitions into a sleek and beautifully polished yellow gold shank

This stone dates back to the 1950s when synthetic corundum was produced to imitate synthetic alexandrite

What a fantastic ring

Marks: "14K 7" Stamped on the inside band

Vintage Diamond Tank Ring in Rose and Yellow Gold inv 3297 Marks: "SHOWPIECE 14K" Stamped onThis is a stunning piece from the Retro Era! The metal is yellow gold, with excellent polish and rose gold details. Set with its original baguette and round cut diamonds, this is known as a tank ring, a classic design of the era, a perfect addition to one's antique and estate jewelry collection! Metal: 18K Yellow and Rose Gold Gem: Diamond . 23 Carats, SI2 in Clarity, I in Color Gem Measurements: 4. 5 x 3. 3 mm, Baguette Cut Accents: 6 Diamonds