Platinum Diamond Brooches

Platinum diamond brooch, with a 1.01 carat round brilliant cut center stone of I color with SI1

C. 1910-1930sDazzling Edwardian Platinum Diamond Brooch. Three center diamonds are 3 Bezel set OEC

Art Deco platinum diamond brooch, circa 1930. Features a central marquise cut diamond of

This unique Art Deco Platinum Diamond Brooch features graciously encrusted diamonds weighing 6cts

Beautiful diamond and platinum brooch, with fabulous curved lines and volume. Cocktail, ring

Baguette-cut diamonds and brilliant cut diamonds. Weight Diamond approximately: 5 carats

The casted and assembled floral design dress clips with Platinum detachable frame, circa 1950's

Lovely Edwardian filigree cutout wide brooch designed in Platinum. The main diamond is Old European

David Webb Coral, Diamond and Emerald Ram Brooch 18K Yellow Gold and Platinum. This exquisite

Estate Platinum Diamond Brooch. Platinum estate brooch set with white 4.5mm pearls and 191 diamonds

J.E. Caldwell Platinum Diamond Brooch with Round, Baguette, Tapered Baguette, and Trillion Diamonds

French Platinum & Diamond Brooch convertible to a pair of Clips or a pair of Earrings, Yaeche

Platinum diamond brooch with large pear shape diamond approximately 5carats total weight.

Detailed diamond and platinum brooch

A feather design platinum brooch set with thirteen and half carats of Round Brilliant Cut Diamonds

One Brooch, Platinum, "BEE" mounted with 79 diamonds weighing 3.03 carats

Platinum and diamond brooch in round and baguette cuts with dangling kite and triangular cut

Platinum bow brooch set with approximately two hundres diamonds tcw 2.50 carats. 1 1/8 x 1 1/8

One Brooch, Platinum Diamond and Emerlad, mounted with 36 Diamonds weighing 2.61 carats and 28

Diamond and enamel brooch set with 69 clean white brilliant cut diamonds totaling over 7 carats and

Feminine, sparkling diamond brooch. Set in platinum with 5.50 cts of full-cut round, marquise and

An intricate pin set with exceptional cushion and oval rubies and baguette and round diamonds in a

diamonds have their GIA certificates. Plus there are the eight blue sapphires. The brooch has a really nice

Diamond Wreath Brooch in Platinum with Baguette, Tapered Baguette, and Round Diamonds. Length 1.5

This Art Deco, Platinum and White Diamond, Brooch from the 1920's is one of our favorite, favorite

Diamond and Blue Sapphire Brooch in Platinum. Brooch Dimensions: Length 2 .13" x Width 1.25", Total

A 1930s deco era platinum brooch, featuring approximately 1.5 carats in diamonds. The brooch

Platinum filagree brooch, set with seven old European cut diamonds weighing 2.93cts, H-I color, VS

Estate Diamond Bow Round Brooch. Platinum round brooch with a bow, set with 44 diamonds weighing

Flowing floral design platinum brooch set with approximately 153 diamonds totaling approximately

A lovely and versatile diamond brooch mounted in platinum. The pair of curvilinear brooches are

A Diamonds, Onyx and Platinum Brooch. Circa 1930.

This platinum diamond set brooch features three marquise diamonds sprouting from the top weighing

Platinum diamond and sapphire brooch. The three sapphires are approximately 2.55ctw and diamonds

One estate brooch made in platinum set with diamonds and an orange topaz. This stunning topaz is

Diamond Flower Brooch in Platinum, with Brilliant Cut and Baguette Diamonds, Total Diamond Weight

A sparkling pinwheel comprised of blinding bright-white diamond feathers makes for the most

Metal: Platinum Condition: Excellent Item Weight: 3.9 DWT Gemstone: Diamond Diamond Cut: Round

Pretty Edwardian platinum diamond bow brooch Circa 1900 set with one bezel set Old European Cut

Diamond= .05ct SI G-H Platinum

Platinum vintage Art Deco plaque brooch consisting of old european and emerald cut diamonds having

This classic and glamorous 1960s diamond and platinum brooch can also be worn as a pendant on a

Platinum and Diamond Lozenge Brooch C. 1915 weighing a total of 5 dwts. The center stone is an Old

Art Deco Platinum Pin with approximately 3cts total weight of old cut round diamonds. All diamonds

Handmade platinum brooch. This beauty is prong set with 12 pear shaped red rubies and 31 gorgeous

Beautiful Belle Epoque brooch, designed as an openwork millegrain-set diamond flower vase

Platinum Edwardian bow pin consisting of 76 old European cut diamonds having a total weight of

Art Deco brooch with 53 antique-cut and rose-cut diamonds weighing approximately 2,65 ct. Mounted

Platinum and diamond wreath design brooch stylized with baguette and marquise shape diamonds

1970's vintage ring in platinum, with vegetal motifs, decorated with three rubies totalling 1.80

Diamond Art Deco Brooch in Platinum with Round Diamonds. Round Center Diamond: 1.00ct., Total

Diamond Art Deco Brooch in Platinum with Round and Baguette Diamonds. Round Center Diamond: 0.90ct

The diamonds on this retro brooch are amazing. Very white, very high quality, as are the three big

Beautiful Art Deco platinum and diamond circle brooch, circa 1930's, with ribbons of baguette

Simple elegant lines create this beautiful brooch. Pure platinum is fully set with brilliant cut

of petals on a single stem, mounted in platinum. Diamonds estimated to possess H-J color and VS-SI

Beautifully made Platinum Onyx Jade and diamond brooch set with 2.97cts of F/G VS round brilliant

A beautiful Diamond Ribbon Bow Brooch with ca. 7 carats of diamonds (D-F/IF-VVS).

A brooch by Kenneth Jay Lane. This sparkling turtle features clear pave crystals, accented with black enamel outlines on the shell. Hallmarks: Kenneth Lane, Made in USA

This exquisite 1960s diamond bombe ring by Hammerman Bros. is a true testament to mid-century elegance and artistry. Crafted in a luxurious blend of 18K yellow gold and platinum, it ...

Presenting an exquisite vintage jewelry piece: a double clip brooch pin showcasing an impressive 12.82 carat total weight of natural diamonds, all set in elegant platinum. This brooc...

Beautiful diamonds double-clip brooch from the 1960ies. The item is worked in platinum 950 and is set with diamonds in different setting styles. All together are 80 baguette-cut an...

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...

Cartier 18K Yellow Gold Trinity Diamond Slip-On Bracelet. This iconic piece seamlessly combines Cartier's renowned Trinity design with the brilliance of round-cut diamonds totaling 6...

Elegance knows no bounds in this breathtaking bracelet, a testament to Van Cleef & Arpels' enduring legacy of luxury and style. Crafted in the 1970s, this timeless piece is a paragon...

This diamond crescent brooch by Tiffany & Co. New York dates from circa 1890-1900. The delicate crescent is set with 21 old European and old mine-cut diamonds mounted in platinum-top...

An extraordinary piece embodying Cartier’s most iconic creature, the great Panther crafted like an exquisite bangle, pave-set with a myriad of brilliant-cut diamonds accented with a ...

Atelier Versace Wisteria Purple Fully Beaded Silk Dress Gown Designer size 42 ( run smaller - measurements provided ) 100% Silk Wisteria Purple Dress with Tulle Fully Embellished Ove...

An exceptional Van Cleef & Arpels diamond brooch c.1950. The central cluster of seven round brilliant cut diamonds are encircled by a half outer curve of marquise diamonds. The centr...

This 100% authentic Hermès Kelly 25 Sellier bag in Noir (black) Veau Box leather is a true collector's piece, crafted from one of Hermès' most coveted and rare leathers. Veau Box lea...

Antique russian 14k gold locket pendant in anchour old cut diamond designe on front with estimate weight of 2 carats and total gold weight 22 grams and 5cm lenght pendant is hall mar...

IGI Certified Platinum Ascher Cut 31.5 ct Diamonds Cuff Bracelet to His Majesty Qaboos Bin Said Qaboos bin Said was Sultan of Oman from 23 July 1970 until his death in 2020 Comple...

This Cartier Mother of Pearl, Rock Crystal and Agate Desk Clock is of French Origin, and dates back to the 1980s. SKU#W-00755