Offered here a beautiful vintage ladies 18K yellow gold evening ring with stunning 17.92 Carat Aquamarine and 10 round diamonds, five on each side prong set. Each is 0.05 to 0.08 carats in size. We have tested the gold using an acid test and it checks out as 18K gold. The ring is also stamped 750 as shown in one of the photos. Total diamond weight is 0.65 carats and they are SI to I1 in clarity and H, I in color. The Aquamarine is emerald cut and set with 4 prongs. It measures 16.36 x 14.24 x 11.31 mm (approximate). Clarity: Lightly included (L2). Gem eWizard color: Light, very slightly grayish, very slightly greenish Blue (vslgB 3/3). Proportions: Good Finish: Good Brilliancy: Good – 50%to 70% The top of the ring measures 16.7 mm in width by 4.1 mm at the base of shank. This ring weighs 12.8 grams and is size 7 and 3/4. The ring is cast and and assembled in construction with high polish finish. The above information taken from the appraisal done on 9.9.16 by J. Michael Tracy, Certified Gemological Appraiser at Huntington Jewelers in Las Vegas. He appraised this ring as Marketable Cash Value at $3900. Marketable Cash Value takes into consideration replacement of the gems and gold at wholesale prices and does not include the labor or retail profit. I am sure you can find many cheaper aquamarines but none of this size and quality for much less!!! Upon purchase you will receive the appraisal as well, a $100 value, issued in your name.