Edwardian Black Opal Diamond Platinum 18 Karat Yellow Gold Antique Halo Ring enamel egg 5 mm round crystal quartz

5 mm round crystal quartz cabochons

9/16 x 1/2 inch

Designed as a pierced foliate wreath surrounding a bezel set heart cut aquamarine

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Edwardian Black Opal Diamond Platinum 18 Karat Yellow Gold Antique Halo Ring enamel egg 5 mm round crystal quartzCentering an oval shaped opal cabochon measuring 9. 0 x 13. 0 mm Semi opaque black in body color with spectral play of color Bezel set in platinum with a diamond halo surround With additional diamonds bead set in shoulders Weighing approximately 1. 28 carats total Old European and single cut H I color with SI clarity Accented by a pierced scalloped gallery Flanked by grooved gold scroll motif shoulders Completed by grooved shank Tested as 18 karat