Vintage Sterling Silver Geometric Opal Cocktail Ring 6.5Est. $182-$236
Antique 14k Rosy Yellow Gold Emerald Opal Cluster Ring 0.20ctEst. $962-$1,250
GREEN OPAL SLAB ROCK STONE LAPIDARY SPECIMENEst. $5-$10,000
Sterling Silver Twisted Wire Necklace with Blue Boulder Opal PendantEst. $234-$304
14K Rose Gold Setting with 0.86ct Opal and 0.25ct Diamond LALI" Designor Ladies Ring"Est. $2,325-$2,754
1.63 Ct Natural Diamond Opal Sterling Silver Designer Earrings MSRP $1,485!Est. $1,340-$1,485
Handmade Sterling Silver Opal Geometric Pendant Necklace 16.5 inEst. $169-$219
second-hand Natural Black Opal RingEst. £140,000-£280,000
14K Yellow Gold Setting with Opal and Black Onyx Inlay Pendant with ChainEst. $250-$450
K18YG PINK TOURMALINE OPAL DIAMOND RINGEst. $1,425-$2,090
14K Yellow Gold setting with .35ct Opal and .015ct Diamond PendantEst. $575-$784
1.17 Cts Opal & Diamond 18KGP Designer BraceletEst. $1,250-$1,310
Vintage Sterling Silver Inlaid Opal Heart Scroll Work Ring Size 8Est. $182-$236
18K gold natural opal necklaceEst. $33,000-$66,000
4.71 Cts Opal & White Topaz 18KGP Designer NecklaceEst. $875-$1,100
Handmade Sterling Silver Opal Stack Band Ring Wind MotifEst. $169-$219
7.49 CTW Indian Opal & Diamond Designer NecklaceEst. $965-$1,100
14K Yellow Gold Setting with Opal and Black Onyx Inlay Pendant with ChainEst. $250-$450
second-hand Black Opal RingEst. £60,000-£120,000
0.53 Ct Natural Diamond Opal Sterling Silver Designer Earrings MSRP $1,285!Est. $1,120-$1,285
1.63 Ct Natural Diamond Opal Sterling Silver Designer Earrings MSRP $1,485!Est. $1,340-$1,485
Sterling Silver Flower Ring with Pearl and Opal Vintage Cocktail DesignEst. $182-$236
18K gold natural opal earringsEst. $21,000-$42,000
John Kiley Marine Opal Sphere, 2013Est. $2,000-$4,000