Antique 1920 Diamond Brooches

Handmade in 90/10 iridium platinum, a convertible brooch/ collar and shoe clips with six (6) marquise and 140 accent single cut diamonds of excellent make and proportions.

Art Deco 1.5 ct Diamond and Enamel Jockey Platinum Brooch, circa 1920 This rare diamond brooch in the shape of a galloping horse with a jockey is made of platinum.

Antique 18 karat yellow gold mounted brooch in the form of a tied ribbon, set with brilliant cut diamonds, shaped Burma rubies and Ceylon sapphires.

Ornately designed antique brooch from the 1920's in impeccable condition featuring a beautiful collection of round cut white diamonds weighing 4.2 carats with a I color grade and a V...

A finely made vintage Art Deco brooch in the form of a slim bow. Set in platinum with alternating rows of brilliant cut diamonds and channel set calibre cut Ceylon sapphires of fine ...

Edwardian gold bar brooch of the badge of the Coldstream Guards, platinum set with a central Burma ruby cross, rose cut diamonds and a blue enamel cartouche with the wording Honi Soi...

Art Deco Natural Pearl Diamond Brooch in Platinum and 18K Gold, circa 1920 Decorative bar brooch set with three oval natural pearls in a fine entourage of rose cut diamonds set in p...

An Art Deco Diamond Brooch in perfect condition. Set in 14t white gold with fancy pierced out filigree finish and a mille grain finish. There are 57 European cut diamonds.

Diamond needle, Platinum Art Deco around 1920 Classic piece of jewellery or fashion accessory of the Twenties, one liked to see what one could afford. This, however, in a simple ele...

This classic Art Deco diamond circle brooch pin features a total of 24 Old European cut sparkling diamonds. The handmade brooch is finished with milgrain edging and is crafted of sol...

An Art Deco Diamond Bar Brooch, set with old-cut diamonds, one larger center stone, surrounded with millegrain and diamonds. The center design incorporates Greek Key edging with beau...

This amazing Art Deco antique brooch pin is crafted of solid platinum and features natural emeralds and diamonds. The emeralds are gorgeous with strong saturation and a slightly blui...

Diamond and emerald 1930s brooch set in 15 karat gold

Attractive lady's tailored designed Art Deco Circa 1920 platinum diamond pearl and black onyx bar pin set with 18 small single cut diamonds, 3 pearls into a black onyx rectangular sh...

For the cycling enthusiast, lover of Art Deco jewels, or collector of rare pieces, this Art Deco period bicycle brooch is beautifully crafted of platinum with a frame inlaid with sin...

Platinum filagree brooch, set with seven old European cut diamonds weighing 2.93cts, H-I color, VS-SI clarity and 120 full cut round diamonds weighing approximately 5cts, H-I color, ...

Art Deco Platinum Brooch has approximately 2 1/2 carats of beautiful old mine cut diamonds with 3 round sapphires weighing approximately 1 1/2 carats.

Art Deco Eruopean Cut Diamond Filigree Brooch with 1.68 carat total weight, the center stone is roughly 1/2 carat.

Important fancy coloured diamond and diamond brooch, center stone brilliant cut yellow diamond 3,00ct, 2 old brilliant cut yellow diamonds and 6 baguette cut white diamonds, total ap...

Fine Art Deco style. Made in onyx with a geometric decoration of 94 diamonds in brilliant-cut weighing approximately 0,95 carats, enamel. Mounted in 18K white gold. Millegrain settin...

Large brooch in platinum designed as belt buckle set with round and square cut diamonds, the center one around 1.25 ct. Total weight of diamonds around 22 carats. The pin is in 18k...

A beautiful diamond and ruby brooch with old european cuts . Total diamond weight of approximately 2.00 carats with a center stone weighing approximately .80 carats. The diamonds are...

An exceptional Art Deco brooch rendered in sumptuous platinum reminiscent of a Cartier, Paris design... This beautiful brooch designed as a basket or Giardinetti motif. There are ...

Art Deco barette brooch set in white and yellow gold, handmade in the Netherlands. Set with Old European and Single Cut diamonds. The Brooche is in complete original condition and co...

Art Deco diamond set Sailing ship brooch mounted in platinum.

An exceptional carved jade brooch dating from the Art Deco period, circa 1920, although the jade itself is older, Chinese origin, likely carved in mid 19th century.

Art Deco Platinum, 18 Karat Gold, Ruby and Diamond Brooch by Cartier, Paris • Signed Cartier Paris, numbered 2006, with French assay marks • 57 old European-cut diamonds weighing app...

Set with Old European, single, and baguette-cut diamonds Total Diamond Weight: 3.4 carats Mounted in 14.9g Platinum Length: 1 inch. Featured in Bonhams Auction site - New York Jewel...

A very fine Art Deco onyx and diamond brooch, designed as a pavé set diamond bow, bordered by calibré cut onyx, mounted in platinum. Hallmark: French assay mark for platinum. T...

Military Interest English 1920 ca 15 CT solid gold and Platinum (professionally tested) enamel Grenadier Guards sweetheart brooch set with single cut Diamonds for approx 1.20 Ct rat...

Estate Jewelry Curated by Parulina- This impressive Brooch consists of Blue Sapphires and Diamonds. Set in Platinum with approximately 10ct of Sapphire and 12ct of Diamonds. Metal:...

Art Deco diamonds line brooch in platinum 850. Bar brooch decorated with a line of twenty-three  old-cut diamonds , arranged in fall: they join in the centre on a more important diam...

Antique French Cartier 18k gold, Diamonds & genuine Rubies brooch from the 1920's 81mm, 6.48 g heavy.

Brooch made around 1920/1930. Owl hallmark (French state hallmark for 18-karat gold) Dimensions: 25 x 25 mm Total estimated weight of diamonds: 0.10 carats Condition: scratches f...

This is a beautiful French Griffin brooch with amazing detail. The brooch has lopes for a chain and French hallmarks. The griffin has .08 old mine cut diamond in its mouth and set wi...

Original art deco diamond and emerald brooch set in with black enemal mounted in 15 karat white gold and platinum

72 rose cut diamonds approx. .80tcw, line the milgrain bow and the center is an old mine diamond approx. .20ct • Diamond • Platinum DIMENSIONS: Width: 1.64” Height: 2.13” Weight: 10....

Very fine Art deco clip / brooch

Diamond(s): 84 rose cut diamonds and senailles. A senaille is a simplified rose cut diamond, a small diamond chip with perhaps a few polished facets.

Art Deco diamond platinum La Cloche brooch. The open work, shield shaped brooch is centered by 1 collet set European cut diamond weighing approximately 1.40 carats, surrounded by 104...

Platinum Art Deco open work Old European & emerald cut diamond pin.

Art Deco Platinum Ceylon Sapphire and Diamond brooch. The oval Ceylon Sapphire measures 6.60 x 5.15mm with such a nice vivid blue color and great clarity, minor abrasions on the very...

Although many design movements have political or philosophical roots or intentions, Art Deco was purely decorative. Period: ca. 1920    Material: platinum    Diamond(s): - Nine old...

Gemolithos, Art Deco Diamond Brooch, French, 1928 by Cartier. Diamonds est. Total 9.3ct F-G/VVS-Si, measurements: 65x26mm, weight : 15.38gr. platinum

One platinum Art Deco pin consisting of approximately 6 carats total weight old European cut diamonds.

Beautiful Art Deco pendant brooch in platinum, diamond and jade.

A classic art deco diamond brooch fashioned in platinum. Three old mine cut diamonds, approx. 1.63ctw of H-I color and VS clarity, feature as prominent centerpieces accented by 90 Eu...

An Art Deco rectangular plaque brooch, with 16 old cut diamonds and 36 rose cut diamonds set in 18ct white gold and within a black enamel border. Circa 1925.

Platinum diamond and sapphire Art Deco bar pin consisting of one center old european cut diamond with a total weight of 1.10 carats surrounded by smaller oec diamonds (3.50ct tw) and...

Center Stone: 0.88 Ct SI Clarity Light Yellow European Supporting Stones: 5.00 Carats Total Weight European Composition: Platinum Weight: 13.7 Grams Could easily be converted to ...

Platinum Art Deco diamond clips/pin consisting of 110 old mine cut and baguette cut diamonds having an approximate total weight of 10.50cts. Circa 1920.

Although many design movements have political or philosophical roots or intentions, Art Deco was purely decorative. Period: ca. 1920 Material: platinum Diamond(s): One old Europe...

Vintage 18K gold and platinum Art Deco brooch set with calibrated and round-cut diamonds and rubies Total estimated weight of the diamonds : 0.15 carat Vintage from the 1920s the g...

A Victorian natural pearl and diamond necklace, the twelve graduated cluster motifs each centred with natural bouton pearls measuring from 5.6 mm to 9 mm, within a surround of old br...

An A. Tillander diamond platinum tiara, circa 1910. This exceptional diamond tiara by A. Tillander is beautifully handcrafted in platinum. The tiara is composed of intertwining, sc...

From Emilio Jewelry, a well known and respected wholesaler/dealer located on New York’s iconic Fifth Avenue, Featuring a very special center diamond Gia Certified as Natural 4.00 Ca...

A vintage sapphire and diamond convertible tiara necklace. An exceptional vintage sapphire and diamond convertible tiara and necklace set, in platinum, circa 1950. This beautifull...

Exceptional Art Deco Mazer Pendant Brooch from the 1930's. High Art Deco design with step faceted faux aquamarines and sapphires set within an intricate pave and baguette dangle sett...

This 1960's vintage Boucheron piece of jewelry is a dual clip lapel brooch crafted in platinum and comprises masterfully designed, naturalistically inspired and diamond swathed scrol...

An exceptional French, floral spray 'en tremblant' brooch pin. This 18 karat gold piece comprises of several components which screw together to form one large brooch. The piece can b...

A truly elegant Edwardian old cut diamond tiara set in silver and gold, circa 1910. This beautifully handcrafted tiara is composed of a number of elegant foliate scroll motifs, com...

An extremely elegant late Victorian sapphire and diamond convertible tiara and earring set, in silver and gold, circa 1900’s. This beautifully handcrafted tiara can be effortlessly...

An Edwardian pearl and diamond brooch on offer at Bentley & Skinner, Jewellers by Royal Appointment to His Majesty King Charles III. The brooch with a diamond-set ribbon bow surmount...

▪ Christian Dior fur coat ▪ Designed by John Galliano ▪ Fall-Winter 2006 ▪ Silverblue-Mink fur ▪ Silver-Fox fur ▪ Black Lambskin leather interior and side panels ▪ Leather buttons ...

Pigeon's blood Burmese ruby and diamond necklace/tiara. Set to the centre with twenty six oval old cut natural unenhanced Pigeon's blood Burmese rubies in open back claw settings, ra...