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John Grinsell & Sons Gold Opal Tie Pin Broochby Peaseje…
9ct gold opal pendant by Manciux
Makers markby Ttomgirl
Opal take 3by Ttomgirl
Opal pics number 2by Ttomgirl
Opal ringby Ttomgirl
Opal & Bay Leaf Pin/Broochby eez284o
Arts and crafts black opal long brooch part 2, close kyratango
Arts and crafts black opal triplet long brooch, silver, gold leaves and kyratango
Opalized Petrified Wood 6 Click on the Little Picturesby fortapa…
Blackheart Ethiopian Opalby Sammyz
Opal & Fire Agate Gold Pendant by Enamele…
Silver Opal Necklace Signed HAN - Italyby nutsabo…
Edwardian Gold & Opal Crescent Broochby TassieD…
Jaques & Marcus Brooch/Pendant with Opal Intaglio by Wilhelm Schmidt, circa 1890by kiwipaul
Circa 1980's Opal & Diamond Cocktail Ring, mystery maker GDNSby kiwipaul
Australian Art Deco 15ct Gold and Two Opals Necklace circa 1920'sby kiwipaul
18k White Gold & Diamond Ring w. Colour Shifting Opal: Red - Green - Blueby kiwipaul
Bright Crystal Opal Ring with a Halo of Diamondsby kiwipaul
Vintage Opal Brooch by trapped…
Antique Arts & Craft 9ct gold opal doublet pendant by Bettyb00
Copper, opal and gold braceletby Sarahopal
Large Victorian Silver, Gold & Opal Cicada Broochby kiwipaul
Arts and Crafts Art Deco Silver White Cliffs OPAL Pendant Drop TassieD…
Antique 9CT Gold Opal Ring by Nouveau…
Silver Opal Ringby jeneric
Unmarked lab created fire opal brooch pinby Jennsbl…
Rhoda Wager (signed) Silver & Boulder Opal Ringby kiwipaul
Edwardian Black Opal & Diamond Ring in Platinum & Goldby kiwipaul
Unusual Coober Pedy Cat's Eye Crystal Opal in Art Deco 14k WG & Diamond Ringby kiwipaul
An Opal Cameo Brooch/Pendant by Wilhelm Schmidt, circa 1900by kiwipaul
American Art Nouveau - Ostby & Barton Opal Ringby kiwipaul
Art Deco 14k White Gold, Diamond, Sapphire & Opal Necklaceby kiwipaul
American Art Deco Platinum & Diamond Ring w. Marquise Shaped Opalby kiwipaul
Diamond & Dark Crystal Opal Ring - pinfire colours against a dark body toneby kiwipaul
1.9ct Black Opal - rescued from an old stick pin, and set in a ring with a halo of diamondsby kiwipaul
Black Opal & Diamond Cocktail Ring, circa 1950's to 60's by kiwipaul
Antique 1ct Black Opal  Ring with 1ct of Diamondsby kiwipaul
My new Opal ringby alipeskai
Vintage Antique Crystal Fire Opal Bead 9ct Necklace by Moonsto…
Vintage Harelequin? Crystal Opal Diamond 14k Pendant Necklace, 23mm X 16mmby Moonsto…
Pair of Crystal Opal and Diamond Earrings in White Goldby kiwipaul
Old and New Opal Studded itemsby LOUMANAL
A  9ct Gold Art Deco Mintabie Opal and Amethyst Necklaceby kiwipaul
An Exceptional "London Bridge" Opal & Diamond Ring in 9ct Goldby kiwipaul
Very Bright Crystal Opal in a 15ct Gold Ring, circa 1930by kiwipaul
An Art Deco 9ct Gold Ring with a Large Coober Pedy Opalby kiwipaul
A 1960's Opal & 14k Gold Cocktail Ring (Retro Style)by kiwipaul
An Art Deco Opal and Diamond Necklace in 9ct Rose Goldby kiwipaul
An 11ct South Australian Opal "rub" from Coober Pedy, circa 1930'sby kiwipaul
Silver Opal Ringby Peaseje…
Art and Craft  Silver Opal Earringsby Peaseje…
A Large Andamooka Sugar Treated Matrix Opalby kiwipaul
Rhoda Wager (Circle of ) Silver and Opal Broochby Peaseje…
Late C19th to Early C20th Australian White Cliffs Opal Gold Broochby kiwipaul
The Southern Lights Necklace - 64 carats of South Australian Crystal Opal, set in Platinum and Diamondsby kiwipaul
A Crystal Opal, Diamond and Pearl Bracelet, by Oscar Caplan of Baltimoreby kiwipaul
A Georgian to Regency Period Gold Brooch - later set with a Coober Pedy Crystal Opal, circa 1935by kiwipaul
A Silver, Enamel, and Black Opal Bracelet by Elsie Reeveby kiwipaul
School of Rhoda Wager - Silver & Boulder Opal Ringby kiwipaul
School of Rhoda Wager - Silver & Opal Ringby kiwipaul
Gem Quality Lightning Ridge Black Opal in an 18ct Gold Ring,  probably circa 1930, and made in Australiaby kiwipaul
A Necklace of Blue Jelly Opal, circa 1910by kiwipaul
AURORA - an Antique 20ct Gem Quality Solid Black Opal from Lightning Ridge, set in a Modern White Gold and Diamond Necklaceby kiwipaul
An Early Australian Lightning Ridge Solid Black Opal, in a Traditional 9ct Gold Pendant, by Percy Marksby kiwipaul
An Early Australian Lightning Ridge Solid Black Opal, in an Art Nouveau Pendant, by William Kerrby kiwipaul
A Large White Cliffs Opal Doublet from the 1930'sby kiwipaul
A White Cliffs Opal and Diamond "London Bridge" Ring in 18ct Gold, Birmingham 1907by kiwipaul
An Australian "Goldfields" Brooch circa 1880, set with a Boulder Opalby kiwipaul
Liberty & Co Gold & Boulder Opal Pendant, designed by Archibald Knoxby kiwipaul
Loose opal stones and carvingsby TinyT
14K Gold, Opals, and Diamonds (?) Ringby freiheit
Australian Opal ring in 18 carat gold.. .....13 gorgeous Australian Opalsby AnneLan…
Theodor Fahrner Silver, Opal and Enamel Tassel Necklaceby Bluboi
Mysterious Art Nouveau-ish Pendant Necklaceby critchpics
14k Art Nouveau Opal Ringby Toni1969
Pretty darn old "potch" opalsby valenti…
Archibald Knox stunner with boulder opalby kiwipaul
Italian Silver Pendant with Amethyst and Opal Drop /Marked "Italy".925 /Circa 20th Centuryby mikelv85
Opal ringby Peaseje…
Art Deco Opal Ringby wpj
Arts and Crafts Opal and Silver Ringby wpj
Antique Fire Opal Ring by wpj
10k opal and diamond ringby lilbevey
Beautiful opal and pink saphire ring!! HUGE!! 10kby lilbevey
Tiny silver plique-a-jour enamel opal and paste period_…
10K Ostby Barton Opal Ringby Toni1969
14k white gold enamel opal art decoby kyratango
Lightning Ridge Opal ringby Gazpacho
Opal Bracelet with Obsidian Mahogany Navajo Art looking for the artist, who made this beauty any ideas?by Vintage…
Opal  In Daylightby kulektor
Diamond, Sapphire (?) & Opal white gold ring - Antique??by ReneeDa…
Modernist Multi-Opal Ringby wpj
Deco Solid 20ct Black Opal 18k Pendant 40 x 22.6 x 7.2mm 12.2gr Mens by Moonsto…
Vintage Crystal Fire Opal 14ctw  20.00 x 17.00 x 7.5 Highby Moonsto…
 Australian Crystal Opal Semi Black/Black  7..41ctw by Moonsto…
Antique Fire Opal Disk Bead 16" 14k  Necklace by Moonsto…
Vintage Mexican Fire Opal Ring and Pendant Sterling Necklace by Moonsto…
Would This be Considered a "BLACK" Opal or Something Else?by LOUMANAL
Vintage Raw Boulder Opal Gemstone 2.5 inches x 1.30 HUGE 45.7grby Moonsto…
Modernist Silver & Boulder Opal Pendant Necklaceby davyd286
Antique Victorian Black Fire Opal 18ct 750 Rose Gold Ring 16.5mm x 9mmby Moonsto…
Victorian Opal Insectsby wpj
Antique Arts and Crafts opal Broochby wpj
14k Opal Ringby freiheit
Child's Ring - 14K & OPALby BHock45
Vintage Deco Fire Crystal Opal Bead 750 18k Necklace 23" 4mmby Moonsto…
My Christmas present from the mother in lawby jlennon…
nice opal earrings/studs with diamondsby tonyee
My wonderful Australian Opal by l.a.lady
My College Graduation Presentby jlennon…
Opal Necklaceby Deanteaks
Silver Opal Earringby dvirgs
Great Grandmother's Birthstone Ringby Dsignr
Opal Ring Unmarked by Mcgarre…
The 18KT Opal Ring from the pastby l.a.lady
14k opal pendantby TeresaD
opal pendentby tazzrlr
Opal ring... by tikiray
Large Opal and Silver Ringby Irishna…