* An Art Deco Platinum, Black Opal and Diamond Ring, containing one oval cabochon cut black opal measuring approximately 13.54 x 8.51 mm, two baguette cut diamonds weighing approximately 0.16 carat total and 14 old European cut diamonds weighing approximately 0.75 carat total. 4.10 dwts. Estimate $ 4,000-6,000
Ring size: 8. All stones present and securely set. The central prongs securing the opal show tool marks. The base of the shank shows evidence of sizing.
Gem Characteristics (graded in mounting) Opal The opal exhibits fine play-of-color in a harlequin pattern in a the full spectrum of colors including orange-red, yellow, teal, blue and green. No crazing visible under 10X magnification. Minor pitting visible on the underside. The depth of the opal is 3.57mm.
Diamonds Color: G-I Clarity: VS2-SI2, majority SI1 Condition: scattered minor wear to girdles visible at 10X magnification
An Art Deco Platinum, Black Opal and Diamond Ring, 4.10 dwts.