5.90 Carats Diamonds Platinum Brooch

Platinum Art Deco Brooch Set with 29 Old European Cut Diamonds Weighing Approximately 5.35 Carats, H Color, VS Clarity. The Center Diamond is Approximately 1.15 Carat.

This spectacular platinum Edwardian bow pin is set with approximately 11.25cts of European and old mine cut diamonds F-H color and VS clarity. The brooch measures 3 inches in height...

.55 Carats of Round Brilliant Cut and Single Cut Diamonds, G Color, VS Clarity, Set into Platinum and 18 Karat Yellow Gold. Weight: 15.31 grams This Brooch is Accompanied by a ...

Magnificent Cartier Art Deco Platinum and Diamond Brooch featuring a matching pair of important Old Mine Cut Diamonds weighing 5.60 carats and 5.64 carats. Both accompanied by a GIA report stating that they are H color VS1 and H color VS2 clarity. This brooch comes with an Expertise letter from IAJA (international Antique Jewelers...

Delightful brooch pin crafted in 18 karat white gold featuring round brilliant cut diamonds weighing approximately 5.33 carats total G color VS clarity, trimmed with 105 square cut rubies weighing approximately 4 carats total, fashioned into a bow. This beautiful diamond and ruby encrusted bow brooch pin...

Unique vintage ring crafted in platinum, featuring a stunning vivid and fiery 2.77 carat oval cut Natural Black Opal, set east-west and adorned with approximately 1 carat of round br...

Metal Type: Platinum [Hallmarked, and Tested] Weight: 9 grams Center Diamond Details: Weight: .70 carat Cut: Old European Brilliant Color: M Clarity: VS1 ...

A magnificent, fine and impressive antique 4.45 carat Thai ruby, 1.90 carat Zambian emerald and 3.85 carat diamond, platinum, 9 and 18 karat white gold brooch; part of our diverse jewelry collections. This magnificent, fine and impressive antique gemstone brooch has been crafted in platinum, 18k and 9k white gold. The spray design features three revolving flower heads, each ornamented to the centre with a fine and impressive claw set round faceted cut Thai ruby; these rotating components indicate the high quality of the piece. Each floral design incorporates eight lobed petals encompassing the feature ruby, each ornamented with two transitional modern brilliant round cut diamonds. The elongated feature stem of the floral arrangement is ornamented with sixteen impressive channel set baguette cut Thai rubies, terminating with an impressive pear faceted cut Zambian emerald. This antique brooch is further embellished with six conjoined wirework stems, each featuring a combination of individually claw set diamonds, Thai rubies and Zambian emeralds, representing the leaves and buds of the spray. This fine and impressive antique brooch secures to the reverse with a hinged pin and catch. This ruby and diamond brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum, 9 and 18 karat gold. This impressive antique flower brooch...

Metal Type: Platinum [Hallmarked, and Tested] Weight: 15 grams Diamond Details: Weight: 5.25 carat, total weight Cut: Old European Brilliant Color: G-H Clarity: VS Condition: Excel...

A gorgeous Late 20th Century Diamond feathered fan brooch! The platinum base is set with 18 round brilliant Diamonds totaling 0.90 carats. From the base are feathers created in 18K beautifully textured yellow gold, graduating in length as it comes to the center. The brooch features a double pin back, and measures 2.60 inches in length. The back of the brooch is stamped...

Important Retro brooch set with round and baguette cut diamonds weighing a total of approximately 20 carats (including 5 round diamonds over 0.75 carats each).

This is a lovely and lustrous diamond bow brooch mounted with round cut diamonds and baguette-cuts of F-G color, VS1-VS2 clarity. Estimated carat weight 10.00cts. This brilliant and ...