Vintage 21 Carat Diamond and Platinum Brooch

A very fine and impressive vintage 6.85 carat Old European round cut diamond, 1.10 carat ruby and platinum, flower spray brooch: part of our diverse brooch collection. This stunning vintage flower spray diamond brooch has been crafted in platinum. The vintage brooch has been modelled in the form of a floral spray, consisting of two flowers and foliage tied with a ribbon. The two flower heads are each ornamented with a claw set mixed cut natural ruby, encircled by six individually claw set Old European round cut diamonds, varying in size. The ribbon design, securing the platinum stems of the flowers, is embellished with three channel set calibre cut rubies. The brooch is further ornamented with realistically modelled leaves in relief. This impressive platinum vintage ruby brooch...

A magnificent, fine and impressive, large antique 1930s 8.13 carat diamond and platinum Art Deco brooch; part of our diverse antique jewelry and estate jewelry collections This magnificent, fine and impressive antique diamond brooch has been crafted in platinum. This geometric Art Deco brooch is ornamented to the center with a feature bezel set 1.30Ct Old European cut diamond. The central diamond is encompassed with horizontal pales embellished with thirty-eight pavé set Old European cut diamonds, accented to either end with seven further diamonds within rounded segments. This symmetrical millegrain decorated frame bears four impressive Art Deco swept collar motifs emanating from the central design, each incorporating four swept rays, ornamented with a total of twenty-six pavé cut diamonds. This large and intricate brooch features a paralleling oval border conjoining the aforementioned four cardinal swept motifs, in addition to a rectangular cut cornered border to the outer edge. These impressive borders are ornamented with forty-four pavé set Old European cut diamonds, completing the design. The brooch secures to the reverse with a hinged pin and catch. This Art Deco brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum. The antique 1930s Art Deco brooch in platinum is supplied with an independent diamond grading certificate for the feature diamond, in addition to an independent diamond grading report card for the supporting stones. Condition This magnificent and large antique brooch...

A stunning antique 1900s 1.84 carat diamond and platinum brooch; part of our diverse antique jewelry and estate jewelry collections. This stunning, fine and impressive diamond brooc...

A stunning, fine and impressive vintage 4.24 carat diamond and platinum brooch; part of our diverse vintage jewellery and estate jewelry collections. This stunning vintage diamond brooch has been crafted in platinum. The pierced decorated platinum frame has a curvilinear, interlacing form, embellished with skeleton leaf designs. The foliate spray arrangement is ornamented with nine individually claw set transitional modern brilliant round cut diamonds, replicating stemmed floral buds. The side of each skeleton leaf and the multi-stranded interlacing ribbon design is embellished with eighty-nine pavé set eight-cut diamonds. The vintage 1950s diamond brooch...

A stunning antique 1930s 2.85 carat diamond and platinum brooch in the form of a bow; part of our diverse antique jewelry and estate jewelry collections. This stunning, fine and impressive antique diamond brooch has been crafted in platinum. The brooch has been modelled in the form of a three-dimensional tied ribbon bow. The two platinum settings composing the bow loops are embellished with forty-two pavé set transitional modern brilliant round cut diamonds, in addition to a further six diamonds to the interior. The cut tails of the bow are ornamented with a further forty-three pavé set transitional modern brilliant round cut diamonds, paralleling the flowing nature of the ribbon. Both the bow loops and tails settings incorporate scalloped pierced decoration, enhancing the texture of the article. The bow's knot features six transitional modern brilliant round cut diamonds, completing the design. The brooch secures to the reverse with a hinged pin and clasp. This stunning antique bow brooch is hallmarked to the reverse with the mark for platinum (PLAT). This antique diamond bow brooch...

An exceptional, fine and impressive antique French 2.06 carat diamond and platinum brooch; part of our antique jewelry and estate jewelry collections. This exceptional antique French brooch...

Designer CAMPS vintage brooch in platinum and clean white diamonds Slimline design of two opposing curves made of diamond bands and twigs with claw s...

Material: Platinum Diamond details: Approx. 4ctw of round cut Diamonds. Diamonds are G/H in color and VS in clarity Total Weight: 12.9g (8.3dwt) Measurements: 32mm x 7mm x 51mm Addit...

Antique 2.5 Carat Diamond 18K Gold and Platinum Brooch circa 1930 Decorative, leaf-shaped curved diamond brooch, pierced and set with 66 diamonds totalling 2.5 ct, with the 5 larger...

Item Details: Metal Type: Platinum Weight: 6.3 Grams Measurements: 1.4 inch length x 1 inch width Diamond Details: Carat: 1 Carat Total Weight Cut: Single Cut Diamonds Color: G Cl...

Style: Platinum 6ctw Diamond Vintage Brooch Pin Material: Platinum Diamond Details: Approximately 6ctw of of Baguette, Round Brilliant and Marquise Diamo...

Lovely Edwardian filigree cutout wide brooch designed in Platinum. The main diamond is Old European Cut and weighs approximately 0.57 carats. The rectangular brooch is covered in pav...