Boulder Opal "Sea & Night Sky" Gold Brooch Circa 2000s
Located in ADELAIDE, SA
This unique, spectacular triangular brooch is set with one freeform solid Queensland boulder opal flat cabochon with two distinct bands of colour representing the nights sky and the ...
Opal, Gold
Antique Boulder Opal Lobster Brooch of 9ct Gold, Circa 1900
Located in Lewisburg, PA
A rare and whimsical treasure, this antique brooch (circa 1900) takes the form of a finely detailed lobster, its body composed of shimmering boulder opals with flashes of iridescent ...
Opal, 9k Gold
Art Nouveau Cicada Brooch 18k Gold Very Large Pin Boulder Opal & Plique-à-jour
Located in New York, NY
Vintage Large Cicada Brooch Standing out with Natural Brilliant Natural Boulder Opal Brown and Champagne Diamonds and some Yellow-ish Diamonds and Plique-à-jour enamel wings Size: ...
Diamond, Opal, Yellow Gold, 18k Gold
32.41 Carat Australian Boulder Opal Diamond 18K Yellow Gold & Platinum Brooch
Located in Beverly Hills, CA
A striking brooch featuring a large and impressive 32.41 carat Australian opal. The opal displays mesmerizing blues, greens, and purples that dance across the stone creating a vivid ...
Diamond, Opal, 18k Gold, Yellow Gold, Platinum
9.83 Carat Boulder Opal Diamond Platinum-18K Yellow Gold Brooch-Pendant
Located in Beverly Hills, CA
A contemporary brooch-pendant showcasing an elegant design with a striking opal centerpiece. The opal displays a captivating rainbow of colors. Surrounding the opal are round-cut whi...
Diamond, Opal, 18k Gold, Yellow Gold, Platinum
Boulder Opal & Paraiba Tourmaline Diamond 18k Yellow Gold “Fish in Coral” Brooch
Located in Beverly Hills, CA
A modern and elegant brooch featuring a lovely Australian boulder opal as its centerpiece, radiating vivid blue and green colors. Surrounding the opal are cabochon-cut Paraiba tourma...
Diamond, Opal, Paraiba, Tourmaline, 18k Gold, Yellow Gold
Oscar Heyman Gold 30 Carat One of a Kind Black Opal Snacking Fish Brooch
By Oscar Heyman
Located in New York City, NY
Oscar Heyman 18kt yellow gold and platinum brooch contains an extraordinarily fine fancy shape Australian black opal weighing 30.63cts. This unique piece also contains 97 round diamonds (1.08cts, F/ VS) and 1 pear shape black opal...
Diamond, Opal, Black Opal, Gold, Platinum
Estate Boulder Opal Diamond Gold Brooch or Pendant
Located in Beverly Hills, CA
A fascinating boulder opal full of life and gleam in a pond-like setting surrounded by diamond studded tree branches. The 1.06 carats of round cut diamonds are spread about the leave...
Diamond, White Diamond, Opal, 18k Gold, Yellow Gold
Victorian Carved Boulder Opal 14 Karat Gold Stickpin
Located in Philadelphia, PA
Featuring a deeply carved boulder opal to depict a face topped by a bow Matrix is reddish brown in color with areas of strong spectral play-of-col...
Opal, Gold, Yellow Gold, 14k Gold
Antique c. 1900 CARTIER Henri Picq 18k Solid Gold & 4ct Boulder Opal Stick Pin
By Cartier
Located in Beverly Hills, CA
Cartier Paris Antique Circa 1900s Henri Picq 18k Yellow Gold & Opal Stick Pin Here is your chance to purchase a beautiful and highly collectible design...
Opal, Gold
72.25 Carat Australian Boulder Opal Platinum & 18k Y Gold Ship-at-Sea Brooch
Located in Beverly Hills, CA
Picture a majestic brooch, a symphony of iridescence and elegance, crowned by a mesmerizing 72.25 carat boulder opal at its heart! This opal, like a miniature landscape of a ship at ...
Diamond, Opal, 18k Gold, Yellow Gold, Platinum
Australian Boulder Opal Sapphire Ruby Tsavorite Diamond 18K Yellow Gold Brooch
Located in Beverly Hills, CA
An otherworldly yet beautifully wearable design. A freeform Australian boulder opal is bezel-set as the heart of this sculptural 18K yellow gold brooch, its face alive with electric ...
Diamond, Opal, Ruby, Blue Sapphire, Tsavorite, 18k Gold, Yellow Gold
14K Yellow Gold Pear Shaped Boulder Opal with Cubic Zirconia Pendant
Located in Laguna Beach, CA
14K yellow gold pendant with boulder opal and a 7.00mm round Cubic Zirconia. This very unique pendant has a gorgeous boulder opal. The opal measures 16mm long and 4mm graduated to ...
Opal, 14k Gold, Yellow Gold
The Egret - Australian Boulder Opal Diamond Sapphire Pendant & Brooch 18k White
By The Wind Opal
Located in Suwanee, GA
The Egret - Australian Boulder Opal Diamond Sapphire Pendant & Brooch 18k White & Yellow Gold. Design Name: The Egret (Pendant & Brooch) May the Egret bring purity and g...
Diamond, Opal, Sapphire, Gold, 18k Gold, White Gold, Yellow Gold
Solid Yellow Gold Oval Cabochon Cut Bezel Set Fiery Colorful Opal Stick Pin
Located in Montclair, NJ
–Stone(s)– (1) Natural Genuine Opal - Oval Cabochon - Bezel Set - White Base Color w/ Fiery Nice Play of Colors - 10.8x6.8mm (approx.) Material: 13-14k Yellow Gold Top w/ 10k Gold P...
Opal, Gold, Yellow Gold
5.22 Carat Boulder Opal Diamond Emerald Sapphire 18K Gold Pendant Brooch
By Meghna Jewels
Located in Hoffman Estate, IL
This striking convertible pendant brooch showcases a vivid 5.22 carat natural Australian boulder opal displaying an exceptional play-of-color with luminous flashes of electric blue, ...
Diamond, Opal, Emerald, Sapphire, Gold, 18k Gold
1970s Cabochon Cut Boulder Opal 1.52ct Sapphire and 1.28ct Diamond Pendant
Located in Jesmond, Newcastle Upon Tyne
An exceptional vintage boulder opal, 1.52 carat sapphire and 1.28 carat diamond, 18 karat yellow gold pendant with a 14 karat yellow gold snake ch...
Diamond, Opal, Sapphire, 18k Gold, Yellow Gold, 14k Gold
$28,786Sale Price|40% Off
Ocean Blue Opal Ring Gold Australian Blue Opal Statement Ring
By Alexey Gabilo
Located in Berlin, DE
Large Boulder Opal 18K white gold and blackened silver ring Opal origin - Australia stone measurements - 0.51 х 1.06 in / 13 х 27 mm ring weight -...
Opal, 18k Gold, White Gold, Silver, Sterling Silver, Gold
Victorian Hebe & Zeus Large Cameo 9ct Brooch, Circa 1900
Located in Brighton, GB
Victorian Hebe & Zeus Cameo Brooch 9ct Gold Circa 1900 The carving shows Hebe, seated and dressed in classical drapery, offering a cup to Zeus, who appears in the form of an e...
$3,233
H 0.19 in W 1.02 in L 0.78 in
Antique 2.23 Carat Cabochon Cut Opal and Diamond Yellow Gold Brooch Circa 1900
Located in Jesmond, Newcastle Upon Tyne
A stunning, fine and impressive antique 2.23 carat white opal and 0.82 carat diamond, 9 karat yellow gold brooch; part of our diverse brooches collection. This stunning, fine and impressive antique cabochon cut brooch has been crafted in 9k yellow gold with a silver setting. The rectangular 9k yellow gold frame is ornamented to the center with a feature sixteen-claw set 2.23Ct cabochon cut white opal. The stunning cabochon opal is surrounded by sixteen millegrain decorated individually bezel set Dutch cut diamonds. The pierced decorated brooch is ornamented with a further twenty-eight millegrain decorated bezel set Dutch cut diamonds to the rectangular frame, completing the design. The antique opal brooch...
Diamond, Opal, Gold, 9k Gold, Yellow Gold, Silver
Van Cleef & Arpels Diamonds 18K Yellow Gold Platinum Leaf Brooch
By Van Cleef & Arpels
Located in Simpsonville, SC
The Van Cleef & Arpels Diamond 18K Yellow Gold Leaf Brooch is a masterpiece of craftsmanship and elegance, showcasing the renowned sophistication of the esteemed jewelry house. Craft...
Diamond, Gold, 18k Gold, Yellow Gold, Platinum
David Webb Platinum & 18K Yellow Gold 20.00 Carat Diamond Flower Brooch
By David Webb
Located in New York, NY
Brooches and pins experienced a strong come back in 2019 and 2020 bringing a touch of vintage and sophistication to almost every ensemble. Both men a...
Diamond, 18k Gold, Yellow Gold, Platinum
Yellow Gold Contemporary Brooch with Diamonds and Paraiba Tourmaline
By Polya Medvedeva Jewellery
Located in Berlin, DE
This 18 karat yellow gold Plum Blossom contemporary brooch is encrusted with 5 round diamonds and a neon copper bearing paraiba tourmaline from Africa in pear cut, 1,76 carats, 10x6...
Diamond, Tourmaline, Paraiba, Gold, 18k Gold, Yellow Gold, 14k Gold
Louis Comfort Tiffany Black Opal and Plique a Jour Brooch
By Louis Comfort Tiffany
Located in Riverdale, NY
Tiffany Arts and Crafts Era Black Opal and Plique a Jour Brooch circa 1910's by Louis Comfort Tiffany with Julia Munson in 18k gold. Large peacock...
Opal, 18k Gold
Oscar Heyman Diamond Pendant Brooch 18K Yellow Gold Platinum ~8.84ctw
By Oscar Heyman
Located in Fairfield, CT
Oscar Heyman Diamond Pendant Brooch 18K Yellow Gold Platinum ~8.84ctw This brooch-pendant by Oscar Heyman showcases exceptional craftsmanship through its intricate floral and leaf m...
Diamond, Gold, 18k Gold, Yellow Gold, Platinum
Art Nouveau c.1900 French Silver, Plique-à-Jour and Paste Antique Brooch
Located in Wilmslow, England
This outstanding brooch was made in France and features a wonderfully elegant original Art Nouveau design. Condition Report: Excellent The Details... This brooch is constructed fro...
Silver
Boucheron Floral Diamond Brooch 18K Yellow Gold/Platinum
By Boucheron
Located in Dallas, TX
Boucheron Floral Diamond Brooch in 18K Yellow Gold and Platinum. The brooch features approximately 5ctw of brilliant round diamonds set in platinum, G color, VS clarity. The brooch m...
Diamond, 18k Gold, Yellow Gold, Platinum
$1,783
H 0.4 in W 0.79 in L 1.38 in
Antique Victorian 15ct & 9ct Gold Starburst Pearl Onyx Mourning Locket Brooch
Located in SYDNEY, AU
A beautiful antique Victorian mourning brooch features navette shaped onyx applied with a 15ct gold star set with seed pearls, to 9ct gold frame and rear locket compartment with lock...
Onyx, Pearl, Gold, Yellow Gold, Rose Gold, 9k Gold, 15k Gold
Antique 9ct Gold, Edwardian Citrine Brooch, Circa 1910
Located in Brighton, GB
Antique Citrine Brooch 9ct Gold Circa 1910 Antique citrine brooch, centred with an oval‑cut citrine of warm honey‑amber tone, held in a rub‑over collet and framed by two interlock...
Citrine, Gold, 9k Gold
American Art Nouveau Plique a Jour Brooch
Located in Riverdale, NY
Wonderful American Art Nouveau 14k Plique a Jour Brooch of enameled poppies on a pale green plique a jour ground. Flowers modeled in high relief w...
14k Gold
David Webb Platinum & 18K Yellow Gold Carved Jade Pendant and Brooch
By David Webb
Located in New York, NY
David Webb 18K Yellow Gold Carved Round Jade Pendant And A Brooch. This substantial brooch is something special and rare, mounted with a round carved Jade this brooch by David Webb w...
Jade, 18k Gold, Yellow Gold, Platinum
Art Nouveau Plique a Jour Brooch
Located in New York, NY
Lovely Art Nouveau Plique a Jour Brooch from the early 20th Century of vermeil sterling. A spray of plique green to rose enamel leaves with p...
Vermeil, Sterling Silver
Antique 9ct Gold & Silver, Victorian Paste Set Monkey Brooch
Located in Brighton, GB
Antique Monkey Brooch 9ct Gold & Silver Circa 1880 A wonderfully playful and eye-catching Victorian monkey brooch, crafted in a charming combi...
Gold, 9k Gold, Silver
Boulder Opal Diamond Gold Flower-Bouquet Brooch-Pendant
Located in Beverly Hills, CA
A sweet brooch featuring a bouquet of gem-set flowers! The central flower is made of a luscious Australian boulder opal with great play of color, showing strong flashes of greens and...
Diamond, Opal, Gold, 18k Gold, Yellow Gold, Platinum
Whimsical Boulder Opal Bee Brooch in 14K Yellow Gold
Located in New York, NY
Embrace nature's splendor with this Whimsical Boulder Opal Bee Brooch, finely wrought in the warm embrace of 14K yellow gold. Weighing 2.82 grams, the centerp...
Opal, Gold, 14k Gold, Yellow Gold
Tasaki Australian Boulder Opal Paraiba Diamond 18k Yellow Gold Brooch
Located in Beverly Hills, CA
A captivating brooch showcasing three Australian boulder opals. The opals reveals a stunning rainbow of colors, serving as the centerpiece. Accentuating the opal are 0.64 carats of r...
Diamond, Opal, Paraiba, 18k Gold, Yellow Gold
15.54 Carat Australian Boulder Opal Diamond Ruby 18k Yellow & White Gold Brooch
Located in Beverly Hills, CA
This fabulous brooch is adorned with a stunning 15.54 carat Boulder Opal from Australia. The Opal's unique play of colors catches the light, adding captivating sparkle to any ensembl...
Diamond, Opal, Ruby, 18k Gold, White Gold, Yellow Gold
Boulder Opal and Diamond Kite Pin
Located in Bal Harbour, FL
One of a kind kite pin featuring a beautiful blue and green boulder opal. The diamond accents create wonderful movement in this spectacular brooch. The mounting is completely hand ...
Diamond, Opal, 18k Gold
Victorian Boulder Opal Cabochon 14 Karat Yellow Gold Stickpin
Located in Philadelphia, PA
Centering an oval cabochon boulder opal measuring approximately 10.0 x 8.0 mm Opaque brown matrix with areas of white opal with strong blue/violet play-of-color Set in polished gol...
Opal, Gold, 14k Gold, Yellow Gold
Edwardian Carved Boulder Opal 14 Karat Gold Figure Stickpin
Located in Philadelphia, PA
Centering a deeply carved boulder opal depicting the profile of a man with a stylized beard and a long, flowing cloth headdress Featuring broad fl...
Opal, 14k Gold, Yellow Gold
Sold
W 1 in D 0.25 in L 1.33 in
Lilly Fitzgerald One of a Kind Fine Rainbow Pinfire Boulder Opal Diamond Pin
By Lilly Fitzgerald
Located in Dallas, TX
One of a Kind Pin handcrafted in 22k yellow gold by renowned jewelry artist Lilly Fitzgerald. The pin showcases a phenomenal Australian boulder opal of collector's quality, displayin...
Diamond, Opal, White Diamond, 22k Gold, Gold, Yellow Gold
Boulder Opal Gold Pendant & Brooch
Located in Beverly Hills, CA
A gorgeous 37 carat boulder opal in 18K yellow gold with twisted gold designs around its bezel setting. For an added natural touch two flowers adorn the t...
18k Gold, Yellow Gold
33.53ct Australian Boulder Opal Pendant Brooch Combo 18K Gold V1127
Located in Osprey, FL
Adorn yourself with this magnificent 33.53ct Australian Boulder Opal pendant brooch combo! This captivating piece features a stunning green blue opal accented by a colorful tourmali...
Opal, 18k Gold
American Bald Eagle Pendant Boulder Opal 14 Karat Yellow Gold Fine Jewelry
Located in Torrance, CA
Finely detailed vintage American bald eagle boulder opal pendant crafted in 14k yellow gold. The opal is carved with the bust of an American bald eagle measuring 25mm x 18mm. Th...
Opal, 14k Gold, Yellow Gold