Vintage 9.10 CTW Tanzanite Diamond 18 Karat Yellow Gold Gemstone Ring 1930's With polished gold grooves and

With polished gold grooves and a knife-edge style band

Twist and pull to release

Frog measures: 13

transparent and purplish-red

With a gold surround deeply engraved and pierced with scrolling details

Vintage 9.10 CTW Tanzanite Diamond 18 Karat Yellow Gold Gemstone Ring 1930's With polished gold grooves andSubstantial gemstone ring features an emerald cut tanzanite weighing approximately 8. 85 carats Basket set with eye clean violetish blue color medium saturation Flanked by cathedral shoulders accented by bar set baguette cut diamonds Weighing in total approximately 0. 25 carat F G color with VS clarity Completed by scrolled volute accents Stamped 18K and 750 for 18 karat gold With maker's mark Circa late 20th century Ring Size: 7 & sizable Measures: