NO RESERVE MCTEIGUE & CO. BLACK OPAL AND DIAMOND RING

NO RESERVE MCTEIGUE & CO. BLACK OPAL AND DIAMOND RING
Oval cabochon black opal, round diamonds, 18k yellow gold, maker's mark

AGL, 2021, report no. 1117516: Black Opal, Australia, natural color

Diamonds: 16 round with approximate total weight of 2.00 - 2.25 carats

Size/Dimensions: US ring size 4 1⁄2
Gross Weight: 8.3 grams