Platinum, Star Sapphire, and Diamond Ring

Description:

Platinum, Star Sapphire, and Diamond Ring, prong-set with a star sapphire measuring approx. 15.95 x 13.90 x 10.40 mm, and weighing 21.97 cts., framed by full-cut diamond melee, tapered baguette shoulders, approx. total diamond wt. 2.50 cts., size 6 1/2.

Note: Accompanied by AGTA certificate no. 92016010, dated March 1, 2007, stating that the stone is natural star sapphire, with no indications of heating.
Estimate $10,000-15,000