Platinum Diamond Onyx Brooch

Art Deco Platinum, Diamond and Onyx Brooch by Cartier, 1924 • Unsigned, numbered 1637 • Accompanied by Cartier Valuation for Insurance stating that the brooch is by Cartier, New York...

Platinum Art Deco diamond and onyx turtle brooch center set with one old European cut diamond approximately 1.75 ct.

A very fine early Art Deco onyx and diamond bow brooch by Cartier, the horizontally aligned ribbon bow set with a central row of square cut onyx between courses of circular cut diamo...

A circular brooch in gold, onyx and pearls, with geometrical detail in platinum and diamonds and central pearl.

A unique early Art Deco onyx, black enamel and diamond circle brooch, designed as an onyx circle, flanked by two diamond stylized leaf shaped motifs, decorated with black enamel and ...

This charming pin was made from either tuxedo studs or cuff links from the 20's into a pin for a very special lady. It is engraved in the back of the custom mounting "Beautiful,...

This is such a great pin to wear in the amazon to warn the other wasps & bugs to stay away. Ok, lets get real. This is a wonderfully made very large wasp pin. It has a long lapis bod...

Piece includes breadth of color with rubies, sapphires, white diamonds, and black onyx. Metal: Platinum Measurements: 27mm x 21mm Total Weight: 4.81g Composition: 0.65 Carats of R...

Extraordinary, unique yet timeless 1.10 Carat top quality white diamond natural onyx hand inlaid eyes platinum setting Panda brooch.

The craftmanship is very detailed with carved onyx and round diamonds of high colour and clarity grade of circa 3 carat.

CARTIER Art-Deco pin/brooch made with 14 natural pearls, 16 roses diamonds (old cut), 4 onyx squares (two with very little faults), yellow gold 14K and platinum mount.

A very fine Art Deco onyx and diamond brooch, designed as a pavé set diamond bow, bordered by calibré cut onyx, mounted in platinum.

A classically designed Art Deco diamond and onyx Antique brooch that features .50ct. apx.

Art Deco Platinum, Onyx and Diamond Jabot Brooch by Cartier, Paris • Signed Cartier, numbered 0959, with French assay marks on both terminals • 46 old-European-cut diamonds approxima...

Beautiful Cartier Art Deco Diamond, Onyx and Platinum Jabot Pin in the form of an arrow. The ‘feathers’ are millegrain edged and set with 48 Old Rose Cut Diamonds, flanking a single...

Art Deco Tiffany & Co. Carved Coral, Onyx and Diamond Brooch American Circa 1920

Signed Dreicer piece featuring 0.55 carats of Round-Cut diamonds and black onyx, a brilliant combination of shimmering white and a matte black. Metal: Platinum Measurements: 55mm x...

A fabulous pin/pendant from the Art Deco (ca1920s) era! Crafted in platinum, this piece begins with a circular coral cabochon. Radiating out from the coral cabochon are two long, nar...

Cartier, An Art Deco Platinum, Diamond and Black Onyx Arrow Jabot. The arrow is set with rectangular-cut and fancy shaped black onyx and rose-cut diamonds and measures approximately ...

An Fine quality original art deco Bow Brooch circa 1920s signed Cartier Paris. This superb brooch is set with 42 old European cut diamonds and 41 black onyx stones.

This unique French pin has such edgy character, that it's perfect for everybody's style! Between it's 6 sided perimeter to it's geometric face, you are sure to get endless compliment...

A brooch designed as a potted topiary set throughout with European-cut diamonds, interspersed with French-, baguette-, and single-cut diamonds, accented with black onyx detailing, co...

Precious stones: Four fancy cut onyx Birthstones: Diamond is the birthstone (or month stone) for April and onyx for July.

Period: ca. 1920    Material: platinum    Diamond(s): - Nine old mine brilliant cut diamonds with an estimated weight of ± 2.55ct.

An Art Deco rectangular plaque brooch with open central panel. Pavé set with diamonds and cognac and sherry coloured diamonds, with intermittent rings of onyx framing some diamonds.

An antique diamond and black onyx platinum pin, presented in an antique box bearing the name Walker & Son Jewelers & Silversmiths. This striking antique pin, contains 43 old mine cut...

Great and beautiful Insect brooch completely articulated made of platinum with details in 18 carat gold.

Designed as a carved onyx female bust, the hairline embellished with carved emeralds accented with brilliant-cut diamonds, the ear suspending a pendent pear-shaped diamond earring, t...

High Art Deco at its finest and most strikingly dramatic - this spectacular work of wearable art will rival any jewel of its kind by the most renowned French jewelers of the Jazz Age...

Art Deco onyx jabot pin in platinum. Pin set with two cabochon-cut onyxes surrounded by 30 rose-cut diamonds. The jewel adopts a geometrical shape and colors typical of the Art Deco ...

Of geometric design set with single-cut diamonds, french-cut emeralds and carved onyx.

Crafted in platinum, this brooch features a harmonious combination of old-cut diamonds, jade, onyx, and coral, materials that were highly favored during the era for their contrasting...

Mounted with 7 Carved Gem Flowers, 5 with Diamond centres and bordered with carved Nephrite leaves, all contained in a White Gold and Platinum topped Basket set with Rose Diamonds an...

Beautiful butterfly with movement made of platinum and detail in gold 18 Karats, weight 23.29 grams. In the center set in illusion a beautiful Old Mine cut Diamond measures 8.30x 7.5...

Geometrically arranged with 64 brilliant-cut diamonds weighing 0,90 ct. Top on the pendant/brooch accented by 2 cabochon-cut emeralds weighing 0,93 ct.

An absolutely spectacular aquamarine, diamond, and onyx brooch in luxuiorus platinum. Set with eighty four diamonds weighing a combined 4.20 carats approximately this brooch takes f...

Wonderful Platinum Brooch of two Parrot's, set with Single Cut Diamonds, Rubies, Emerald Eyes and Onyx

Italian platinum brooch with green jasper, small onyxes, and diamonds for a total of 1.20 carats / Made in Italy 1920-1930s Length 4.2 cm, width 2.3 cm

This Art Deco, early 20th century, brooch features antique cut diamonds weighing a total of 1.60 carats, accented by calibré-cut black onyx, set in platinum.

Brooch in platinum and 18 carat, white gold. Adorned with 3 onyx cabochons in an openwork bezel setting surrounded by antique cut diamonds.

An Art Deco onyx and diamond brooch, set in a lozenge shape, with a diamond flower-shaped cluster to the centre, with four surrounding sections of single cut diamonds, millegrain set...

A stunning antique Art Deco 6.29 carat diamond and black onyx, platinum brooch; part of our diverse antique jewelry and estate jewelry collections.

Fabulous 1930s Art Deco Platinum, Diamond and Black onyx Brooch, 3 1/2 carat Total Weight old European Cut Diamonds.

The center of the brooch is set with carved jade, with diamonds and enamel tapering down to the two round onyx ends.

A French Art Deco platinum brooch with diamonds, jadeite jade and onyx.

A beautiful Art Deco canvas masterpiece brooch from the 1920s, depicting a swirled flower with onyx petals and ruby (synthetic?) leaves on a diamond background (circa 6 carats) and r...

A Belle Époque style Edwardian brooch, designed as two concentric circles, set with fancy cut pieces of black onyx and round old-cut diamonds, in an openwork frame, with millegrain e...

Presenting this beautiful vintage diamond brooch pin from the 1940s era, crafted in solid platinum.

This Edwardian era horseshoe pin features French cut onyx and single cut diamonds set in platinum. Weighing 5.8 grams, the design showcases a symmetrical horseshoe shape, measuring a...

Art Deco Platinum Diamonds Brooch Onyx Pendant Diamonds White Gold, 1910 This fine jewelry consists of two items that can be worn separately.

Art Deco 1925 bow brooch diamonds moonstone lapis lazuli onyx and platinum.

Brooch is designed as a stylized bow with a milgrain platinum frame decorated with a pierced and ornately scrolled gallery Centering calibré cut onyx, as a bow motif, deeply engrave...

It’s also adorned with glittering clear diamonds totaling approximately 6.50 carats, which are perfectly juxtaposed with black onyx gemstones in the center.

Dolce & Gabbana Black & Cream Lingerie Inspired Evening Gown. Spring/Summer 2006 Size 40IT

1940's French Diamond and Ruby Necklace and Earrings Set The necklace has approximately 75ct of rubies and 40-42ct of diamonds all set in Platinum, and the clasps are white gold. The...

Wonderful, large 1920's Czech Jeweled Mesh Purse of the largest scale and finest quality relined by famed, Art Bag of Madison Ave. NY. Jeweled frame with faux lapis pate de verre mol...

Behold the breathtaking embodiment of high drama and couture mastery: The stunning extremely rare Thierry Mugler "Kiss of the Spiderwoman" evening gown from the legendary Spring/Summ...

Wrap yourself in luxury with this stunning finest North American white lynx belly fur coat. Crafted from the purest white lynx fur, sourced from North America and expertly handcrafte...

Iconic black Thierry Mugler’s Fall/Winter 1996 Collection Bombshell vinyl trench coat. This stunning jacket exudes a hypnotic blend of dominance and sophistication. Its sculptural s...

Diamond Floral Brooch in Platinum This Brooch takes the form of a stylized flower, gracefully rendered in platinum and adorned with a dazzling array of round brilliant, baguette, an...

Statement Art Deco bracelet to have in your collection Platinum the whole bracelet with 18 Kt catching clasp hand crafted during the roaring 20’s French origin and marks Substantiall...

▪ Christian Dior pink mink fur cropped bolero jacket ▪ Designed by John Galliano ▪ Shawl lapel ▪ Wide cropped sleeves appearing as a cape from the back ▪ Silk lining with embroide...

This Christian Dior by John Galliano coat from the Fall-Winter 2002 collection is crafted from cream silk jacquard featuring an elaborate woven pattern of floral and ornamental motif...

Old mine cushion shape diamond stud earrings. A matching pair, set with a cushion shape old mine diamond to each, one with a weight of 3.52 carats, M colour, VS2 clarity, the other 3...

This stunner of a necklace contains 168 top quality round brilliant and marquise cut diamonds weighing approximately 19.00 carats total. Crafted in platinum, this necklace is extreme...