Oscar Heyman & Brothers Black Opal and Diamond Ring

Centering an oval-shaped black opal cabochon, framed by oval-shaped diamonds.Black opal weighing approximately 5.25 caratsDiamonds weighing a total of approximately 2.40 caratsSize 6¾, with sizing beadsMaker's mark for Oscar Heyman & Brothers, numbered 300980Platinum

Condition Report:
In good condition, with scratches and scuffs to the mounting commensurate with wear that are not noticeable when worn. Shank interior stamped IRID. PLAT. The black opal displays strong play-of-color, with primary hues of blue and green, secondary hues of yellowish-green and violet; with a few surface scratches noticeable only under 10x magnification, and light scratches to the reverse. Diamond weight stated in catalogue description approximated using measurements. The diamonds are approximately F-G color, VVS-VS clarity. Please note the exact ring size cannot be obtained due to the presence of sizing beads; ring fits like a 6¾ with the sizing beads.