Emerald and Diamond Ring. If you have to have the best of the best..this is it!! This stone has been in my inventory for many years. I decided it was time it found a forever home. Never to be replaced. The emerald comes with a full laboratory report for validity, and another Independent lab report from AIGL, appraised at $21,217.00 The stone is a huge 5.23ct, emerald cut, natural emerald. It has no unusual treatments, only minor oiling to improve clarity. This is a common treatment and is not always disclosed, however 99% of all emeralds have this treatment. It measures 12.09 mm x 8.80mm x 6.58 mm. The color is a medium dark green (as pictured), is moderately included, which is acceptable for an emerald, and has a very good cut. This emerald's origin is Zambia, know for this beautiful deeply saturated green color. This stone retails for over $4000.00 per ct. and is very rare to find in this size. The emerald halo style mounting is 14 K white gold, and contains 1.22 cts. of G-H in color, SI 1-3 in clarity, fine full cut round white diamonds, both surrounding the stone, as well as going 1/2 way down the band. The ring is a re-sizable 61/2. Emerald is the birthstone for May. PLEASE contact me in advance of purchase to discuss payment arrangements. This ring will ship upon verification of payment.