Featuring one oval cabochon opal, measuring 19 x 10.30 x 6.90 mm, weighing approximately 6.25 carats, surrounded by 6 tapered baguette and 18 round brilliant cut diamonds, weighing a total of approximately 1.20 carats, VS1 to SI1 clarity, G to H color, prong set, completed by a high polished band, graduating from 4.40 to 2.80 mm in width, all weighing 9.60 grams, ring size 6 3/4. Note: can be sized.