4.5 Carat Brooches

One Art Deco French Diamond 14k White Gold Convertible Brooch Pendant. Featuring 60 old European, single, and transitional cut diamonds with a total weight of approximately 4.70 cara...

An art deco brooch designed by Bailey Banks & Biddle. An exquisite piece created by Bailey Banks & Biddle, during the glorious art deco period, circa 1925. This brooch scream art deco with its old cut stone, millegrain etchings and elegant design. The quality of this brooch is breathtaking and was carefully crafted with impeccable attention to details in solid .900/.999 platinum. It is fitted with an horizontal hinged bar with a security mechanical lock and is embellished with an outstanding selection of diamonds and sapphires and the gemstones settings are finished with the difficult technique of millegrain. These sapphires have French calibre cutting style and they display the most beautiful blue color throughout. The diamonds on the other hand add an incredible amount of brilliance to the piece with their excellent quality. The brooch remain in excellent physical condition with absolutely no replacement in any gemstone. Diamonds: Mount in millegrain French settings, with 60 Old European round cut diamonds, 2.54 carats, white colorless F color, VS-2 clarity Sapphires: Mount in channel settings, with a suite of 36 French caliber cut of natural blue sapphires with a total of 2.20 carats. These sapphires are intense royal blue, non heated and most probably from the Kashmir or the Pailin regions. Birthstone: Sapphires for the month of September. Weight: 7.62 Grams, (4.89 Dwt). Measures: Diameter of 36 mm (1.42 Inches). Hallmarks: Stamped with the maker's mark inside two circled cartouche, the hallmark for the assay of the platinum and signed, "BB&B". Bailey Banks & Biddle Bailey Banks & Biddle is an American jewelry firm that formed in 1832 and quickly became a recognized leader in jewelry fashion. The firm developed a reputation for offering high quality, well-designed jewelry as evidenced by its commissions to design the first 40,000 Purple Hearts for the United States military as well as to create the Naval Academy and West Point...

A stunning, fine and impressive platinum brooch with 3.20 carat (total) diamonds and 1.79 carat (combined total) natural garnet, sapphire and emerald gemstones; part of our vintage j...

1920 Antique diamond broach beautifully handcrafted in platinum. The details are as follows : Diamond weight : 4.50 carat ( I color and VS2 cl...

Platinum Set Swan Brooch with 4.60 carat Diamonds, Pearl center stone and Rubies as eyes.

Alex Soldier's Butterfly collection is dedicated to celebration of life. Butterflies remind us to enjoy the moment and embrace change. This lovely butterfly pin is made in 18 karat r...

Offered here is a " Victorian period " sunburst diamond pendant brooch on chain, One yellow gold ( not marked, acid tested 14k ) lady's circu...

A stunning, fine and impressive antique 4.50 carat sapphire and 1.46 carat diamond, 18k yellow gold cluster ring/brooch; part of our diverse antique jewellery and estate jewelry collections. This stunning, fine and impressive antique sapphire cluster ring/brooch has been crafted in 18k yellow gold. The pierced decorated, cluster design is ornamented with a stunning central feature claw set oval cut 4.50ct blue sapphire. The sapphire is surrounded by sixteen impressive individually claw set Old European round cut diamonds, totalling 1.46cts. The plain ring shoulders integrate with the lower portion of the setting and blend seemlessly with the shank. This versatile piece of antique jewellery may also be worn as a sapphire brooch via a screw fitment to the reverse of the central cluster design. The original 18k yellow gold bar brooch frame has a central screw fitment, flanked with trifurcating strands enveloped with a cuff design to a fleur-de-lis style terminal to either end. This yellow gold antique sapphire ring/brooch is supplied with an independent diamond grading report card, in addition to a sapphire report and certificate* supplied by the Gemmological Certification Services, London. NOTE: * This documentation certifies that the gemstone shows no indications of heating; non-heated sapphires are a scarcity. Images do not always reflect the true colour and brilliance of gemstones and diamonds. The video however provides a truer representation of the actual colour and showcases each stone. Condition This stunning antique gemstone cluster ring/brooch is execeptional quality set with a stunning natural sapphire displaying a fine colour, brilliance and presence. The very high colour graded Old European cut diamonds display a fine white colour and brilliance. The gemstone setting, ring shank and brooch frame are each an exceptional gauge of gold and are in excellent condition. Reflections in photographs may detract from the true representation of this stunning 4.5 carat sapphire ring...

A very fine and impressive antique Edwardian 4.50 carat diamond, 18 karat white gold brooch; part of our diverse antique jewelry and estate ...

A stunning antique Victorian 1.25 carat sapphire and 3.43 carat diamond, 14 karat yellow and white gold pendant / brooch; part of our diverse antique jewellery collections. This stunning, fine and impressive Victorian pendant has been crafted in 14k yellow gold with a 14k white gold setting. The cluster design is ornamented to the centre with an eight claw set 1.25ct cushion cut sapphire. The surrounding stepped setting is embellished with a total of thirty-two pavé set Old European round cut diamonds, totalling 3.43cts. The pendant suspends from a later (circa 1960) 9k yellow gold fine curb chain via a hinged 14k white gold latch back bale. The chain secures with a conventional spring loaded bolt ring fastening. The pendant may be worn as a brooch via a removable hinged pin and catch fastening to the reverse. The pendant is hallmarked to the side of the bale with the 14k gold fineness mark 585. This antique Victorian sapphire and diamond pendant...

An impressive antique Art Deco 1.65 carat sapphire and 3.16 carat diamond, 18 karat white gold and platinum double clip brooch; part of our diverse antique jewellery and estate jewel...

Dating from the Art Deco period, this exquisite brooch is set with almost nine carats of diamonds, rubies, sapphires, emeralds, and onyx, a testament to the 1920s art of stylized ima...