Platinum Brooches
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Metal: Platinum
Gemstone: Amethyst
29.54 Carat Cushion Cut Amethyst Diamond Halo Platinum Art Deco Pendant Brooch
Located in Stamford, CT
Vintage 1925 Art Deco amethyst and diamond brooch and pendant. This spectacular natural 29.54 carat a cushion cut Amethyst is mounted in a platinum frame with a halo of 36 old mine c...
Category
Early 20th Century Platinum Brooches
Materials
Amethyst, Diamond, Platinum
Art Deco Amethyst And Diamond Jabot Pin Circa 1925
Located in London, GB
An Art Deco amethyst and diamond jabot pin, circa 1925. This jabot pin brooch is set each end with large pear shaped briolette cut amethysts. The gemstones are connected by a single ...
Category
Early 19th Century French Antique Platinum Brooches
Materials
Amethyst, Platinum
Antique Heart shaped Amethyst Brooch with Diamond, Edwardian, circa 1910
Located in Aspen, CO
Antique heart shaped, buff-topped natural amethysts are suspended from a platinum and rose cut diamond garland. The natural 3 amethysts are prong ...
Category
1910s Vintage Platinum Brooches
Materials
Amethyst, White Diamond, Diamond, Gold, 18k Gold, Yellow Gold, Platinum
Carved Amethyst and Diamond Bluebell Flower Brooch
Located in New York, NY
Created in the 1920s-1930s, this flower brooch is composed of amethyst, enamel and diamonds, all mounted in platinum. It is designed as a naturalistic pale violet bellflower of carve...
Category
Early 20th Century Art Nouveau Platinum Brooches
Materials
Amethyst, Diamond, Pearl, Platinum, Enamel
Art Deco Platinum Clip Brooch Amethyst 3 Ct Diamonds Unisex, 1920
Located in Herzelia, Tel Aviv
Art Deco Platinum Clip Brooch Amethyst 3 Ct Diamonds Unisex, 1920
This is a stunning Art Deco clip in Platinum, set with Diamonds of various sizes, total...
Category
1920s Art Deco Vintage Platinum Brooches
Materials
Amethyst, Diamond, Platinum
Arts and Crafts Platinum Amethyst, Diamond, and Pearl Brooch
Located in Boston, MA
An Art Nouveau period amethyst brooch accented by natural pearls and European cut diamonds in a wire work mounting.
Weighing 2.50 carats, the center amethyst is of rich vivid purple...
Category
1920s Vintage Platinum Brooches
Materials
Amethyst, Diamond, Pearl, Platinum
Edwardian Amythest, Diamond and Pearl Brooch
Located in New York, NY
Lovely Delicate Edwardian Amythest, Diamond and Pearl Brooch from the early 1900's. Unsigned but high quality American manufacture. Platinum topped gold with diamonds and natural pea...
Category
Early 1900s American Edwardian Antique Platinum Brooches
Materials
Amethyst, Diamond, Pearl, 14k Gold, Platinum
Platinum Diamond Interchangeable Gemstone Art Deco Clip Brooch Arnold Ostertag
By Ostertag
Located in Zurich, Zollstrasse
AN ART DECO DIAMOND DOUBLE CLIP BROOCH, BY OSTERTAG, 1930s, Of stylised shield outline, with pave-set brilliant cut Diamonds and Baguette Diamonds. The brooch features a square centr...
Category
1920s French Art Deco Vintage Platinum Brooches
Materials
Amethyst, Diamond, Onyx, Quartz, Tourmaline, Platinum
David Webb Platinum & Yellow Gold Amethyst, Coral and Rock Crystal Star Brooch
By David Webb
Located in New York, NY
David Webb Platinum & 18K Yellow Gold Amethyst, Coral And Rock Crystal Star Brooch.
An exciting brooch by David Webb crafted in 18K yellow gold with diamonds set in platinum. Center...
Category
20th Century American Modern Platinum Brooches
Materials
Amethyst, Coral, Crystal, Diamond, Rock Crystal, 18k Gold, Yellow Gold, ...
Oscar Heyman Iconic Pansy Diamond Amethyst Citrine Gold Platinum Brooch
By Oscar Heyman
Located in New York, NY
Iconic Oscar Heyman platinum and 18k gold pansy flower brooch, set with amethyst, citrine, rubies and approx. 1.25ctw G/VS diamonds. The brooch measures 1.25" x 1 1/8". Hallmarked wi...
Category
Mid-20th Century Platinum Brooches
Materials
Ruby, Amethyst, Citrine, Diamond, 18k Gold, Platinum
Carter Gough & Co. Art Deco Diamond Amethyst Green Tourmaline Platinum 14 Karat
Located in Philadelphia, PA
Depicts a platinum kite shaped form topped by a transitional cut diamond
Weighing approximately 0.06 carat - eye clean and bright
With two fancily kite cut gemstones flushly set to...
Category
1920s Art Deco Vintage Platinum Brooches
Materials
White Diamond, Tourmaline, Amethyst, Diamond, Platinum
Antique 14k Gold Platinum Diamond Detailed Knights Fighting on Amethyst Brooch
Located in Montclair, NJ
Here we have a super unique and truly magnificent antique brooch crafted from solid 14k yellow gold and platinum featuring two incredibly detailed knights fighting on top of a beauti...
Category
1890s Late Victorian Antique Platinum Brooches
Materials
Amethyst, Diamond, 14k Gold, Yellow Gold, Platinum
Amethyst, Tourmaline, Topaz, and Diamond Pansy Pin, Signed Oscar Heyman Brothers
By Oscar Heyman
Located in Boston, MA
Purple Amethyst, Pink Topaz, Purplish Magenta Tourmaline, and sparkling white diamonds come together in a beautiful display of color to form a unique rendition of Oscar Heyman Brothe...
Category
Mid-20th Century American Platinum Brooches
Materials
Amethyst, Topaz, Tourmaline, Diamond, White Diamond, 18k Gold, Yellow Go...
Tiffany, Antique Brooch with Amythest
Located in New York, NY
Tiffany, Antique Brooch with Amythest.
Category
Early 20th Century Art Deco Platinum Brooches
Materials
Amethyst, Coral, Platinum
Platinum Vintage Art Deco Amethyst and Diamond Pin
Located in Scottsdale, AZ
Designer: custom
Material: platinum
Diamond: 2 round brilliant cut = 2.00cttw
Color: H
Clarity: VS2
Diamond: 80 round cut & 6 baguette cut = 4.00cttw
Color: H/I
Clarity: VS2-SI1
Dime...
Category
20th Century Platinum Brooches
Materials
Diamond, Amethyst, Platinum
Art Deco 1.01 Carat Amethyst 1.69 Carat Diamond Platinum Yellow Gold Brooch
Located in Jesmond, Newcastle Upon Tyne
A stunning vintage Art Deco 1.01 carat amethyst and 1.69 carat diamond, platinum and 14k yellow gold brooch; part of our diverse vintage jewelry and estate jewelry collections
This stunning, fine and impressive vintage amethyst brooch...
Category
1940s Unknown Art Deco Vintage Platinum Brooches
Materials
Amethyst, Diamond, 14k Gold, Yellow Gold, Platinum
Cartier Paris Large Round Diamond Amethyst Turquoise Brooch
By Cartier
Located in New York, NY
An exquisite brooch designed as a flower centering one round amethyst approx. 35.00 cts., encircled by two rows of round cabochon turquoise, supported by a curved polished gold stem,...
Category
1960s French Vintage Platinum Brooches
Materials
Amethyst, Diamond, Turquoise, 18k Gold, Platinum
Art Nouveau Amethyst Diamond Platinum Gold Roses Brooch
Located in Munich, Bavaria
Finely chiselled Art Nouveau 18K gold brooch with a rectangular faceted amethyst. Finely modelled roses, leaves and foliage. Six diamonds are mounted in platinum.
Category
1890s Unknown Art Nouveau Antique Platinum Brooches
Materials
Amethyst, Diamond, Platinum, 18k Gold
Amethyst Diamond Gold Platinum Pin
Located in Berlin, DE
Europe, 1930's-1940's. Central emerald-cut amethyst weighing approximately 23,66 ct. Accompanied by 18 rose-cut diamonds with a total weight of 0,48 ct. Mounted in 18 K red gold and ...
Category
Mid-20th Century Platinum Brooches
Materials
Amethyst, Diamond, 18k Gold, Platinum
LaCloche Art Deco Multi Gem Diamond Platinum Pin Brooch
By LaCloche
Located in New York, NY
Of hexagonal outline, the openwork geometric plaque designed as a circular and baguette-cut diamond vase, set with a shield-shaped yellow diamond flanked by two triangular-shaped buf...
Category
Early 20th Century French Art Deco Platinum Brooches
Materials
Amethyst, Citrine, Diamond, Emerald, Ruby, Sapphire, Platinum
Cartier Art Deco Natural Amethyst and Turquoise Brooch
By Cartier
Located in London, GB
Art deco amethyst and reconstituted turquoise brooch by Cartier. Set to centre with an oval old cut natural amethyst in an open back structured claw setting with an approximate weigh...
Category
1920s French Art Deco Vintage Platinum Brooches
Materials
Amethyst, Turquoise, Platinum
Art Deco Diamond and Multi-Gem Brooch
Located in Lakewood, NJ
An art deco brooch with a tad more color than usual thanks to the two dainty floral designs made of hand carved petal shaped amethyst. Beautiful calibrated color gems with diamond in...
Category
Early 20th Century American Art Deco Platinum Brooches
Materials
Ruby, Sapphire, Amethyst, Diamond, Emerald, Platinum
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Art Deco Old Mine Cut Diamond Platinum Brooch
Located in Seattle, WA
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Art Deco 0.75ct Diamond Brooch, c.1920s
Located in London, GB
This stunning brooch dates back to the roaring 20s. The bold geometric shapes crafted from platinum is a hallmark of the Art Deco period and gives this piece its character. Central t...
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Platinum Pearl and Diamond Brooch
Located in Palm Springs, CA
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Jadeite, Enamel and Diamond Figural Jabot Pin
Located in New York, NY
Chinoiserie motif, the top finial with a carved jadeite plaque depicting Confucius and the lower decorated with a leaf and fruit motif, accented by black enamel and tiny rose-cut dia...
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Ambrosi Amethyst Diamond Flower Brooch
By Ambrosi
Located in New York, NY
This charming De Ambrosi Contemporary Amethyst and Diamond Brooch made in Italy in the Contemporary Era, circa 2010s, makes one think of the refreshing shade under a trellised grape ...
Category
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Vintage Cabochon Amethyst Yellow Gold Flower Brooch
Located in Los Angeles, CA
Vintage cabochon amethyst and yellow gold flower brooch circa 1960. Love it because it caught your eye and we are here to connect you with b...
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Amethyst, 14k Gold, Yellow Gold
Antique 1910s Diamond and Yellow Gold Bar Brooch
Located in Jesmond, Newcastle Upon Tyne
A fine and impressive 0.62 carat diamond and 15 karat yellow gold bar brooch with platinum setting; part of our antique jewelry and estate jewelry...
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Art Deco Diamond Coral Onyx Jabot Pin Brooch
Located in New York, NY
A chic Art Deco jabot pin embellished with coral, onyx, and diamond.
Category
1920s Art Deco Vintage Platinum Brooches
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Art Deco Diamond and Platinum Double Clip Brooch, c. 1930
Located in Aspen, CO
Art Deco Diamond Clips in platinum. Well made with fine white diamonds the brooch can be worn together or separated into separate dress clips. There are 10 cts of near colorless (G...
Category
Early 20th Century Unknown Art Deco Platinum Brooches
Materials
Diamond, Platinum
Cartier Antique Diamond Bow Brooch, circa 1910
By Cartier
Located in London, GB
Cartier antique diamond bow brooch. Set to centre with a cushion shape old mine diamond in an open back millegrain setting with a weight of ...
Category
1910s Vintage Platinum Brooches
Materials
Diamond, Platinum
Previously Available Items
29.54 Carat Cushion Cut Amethyst Diamond Halo Platinum Art Deco Pendant Brooch
Located in Stamford, CT
Vintage 1925 Art Deco amethyst and diamond brooch and pendant. This spectacular natural 29.54 carat a cushion cut Amethyst is mounted in a platinum frame with a halo of 36 old mine c...
Category
Early 20th Century Platinum Brooches
Materials
Amethyst, Diamond, Platinum
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L 1.17 in
Amethyst and Diamond Platinum Flower Brooch
Located in Bethesda, MD
From the Mid-Century, a flower brooch with 6 Amethyst heart shaped flower petals and a diamond stem.
• Metal: Platinum
• Circa: Mid-Century
•Gemstone: 6 Amethysts stones
20Diamonds,...
Category
Mid-20th Century Platinum Brooches
Materials
Amethyst, Diamond, Platinum
1950's Mid-Century Amethyst Diamond Platinum Enhancer Pendant Brooch Necklace
Located in Philadelphia, PA
White gold cable chain suspends a substantial cluster gemstone enhancer. Featuring a mixed cushion cut amethyst measuring approximately 17.0 x 15.0 mm. Eye clean and richly purple in...
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1950s Vintage Platinum Brooches
Materials
Amethyst, Diamond, White Diamond, Platinum
15k Gold and Platinum 'Dearest' Brooch
Located in Amsterdam, NL
A 15 carat gold and platinum brooch with the acrostichon dearest, circa 1910, Engeland.
dimensions: 5.7 x 0.6 cm
weight: 5.17 gram
The gemstones that spell the word dearest are: a ...
Category
1910s English Art Deco Vintage Platinum Brooches
Materials
Amethyst, Diamond, Emerald, Ruby, Blue Sapphire, Topaz, 15k Gold, Platinum
1920's Art Deco Amethyst Enamel Platinum Stickpin
Located in Philadelphia, PA
Featuring an oval amethyst buff-top cabochon measuring approximately 10.0 x 7.7 mm
Transparent with vibrant and uniform purple color
Bezel set in a platinum surround glossed with d...
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LB Exclusive Antique 1920's Platinum Diamond Amethyst Brooch
By LB Exclusive
Located in Southampton, PA
This classy LB Exclusive brooch adds a classic touch to any ensemble. The symmetrical setting is made from platinum and set with rows of round diamonds on either side of two larger a...
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Materials
Amethyst, Diamond, Platinum
Cartier A.G.L Certified Sapphire, Emerald Amethyst and Diamond Stick Pin
By Cartier
Located in Bethesda, MD
From Cartier, a fine Art deco platinum stick pin.
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♦ Signed: Cartier
♦ Sapphire .55 Carats Non enhanced Thailand
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David Webb 18k Platinum, Amethyst and Diamond Brooch
By David Webb
Located in Kingston, NY
18k Platinum. 31.7 Grams, Approx 1.5 Carats Diamonds, 30mm X 18mm Faceted Amethyst Brooch.
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Diamond Garnet Ruby Peridot Topaz Citrine Iolite Amethyst Gold Brooch Pendant
By Alex Soldier
Located in New York, NY
Alex Soldier's Flower of Life: Inspired by ancient teachings about the purpose and effect of the chakras on the human life, Alex Soldier created a one of a kind jewelry masterpiece c...
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Dm 2.12 in
A platinum, diamond, aqua, amethyst, citrine & diamond brooch
Located in New York, NY
An 18 karat yellow gold, platinum, diamond, aquamarine, citrine, amethyst and diamond spray brooch. Circa 1945. The brooch depicts a bouquet of flowers that consist of buff top hea...
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Art Deco, Platinum, Amethyst, and Diamond Brooch
Located in Brisbane, QLD
A fine platinum brooch mounted with a cabochon amethyst and old European cut diamonds, in its original retailing box. This pin is beautifully handcrafted from pierced platinum and fe...
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Art Deco Amethyst and 2.3 Carat Diamond Platinum Bow Brooch, circa 1920
Located in Goettingen, DE
Art Deco Amethyst and 2.3 Carat Diamond Platinum Bow Brooch, circa 1920
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W 0.51 in L 1.66 in
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