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Antique Sapphire and Diamond Brooch

5.68ct Diamond and 2.35ct Sapphire, Platinum Brooch - Art Deco - Antique Circa 1930

A stunning antique Art Deco 5.68 carat diamond and 2.35 carat sapphire, platinum brooch; part of our diverse antique jewellery and estate jewelry collections

SKU A9447


This stunning, fine and impressive antique sapphire and diamond brooch has been crafted in platinum.

The pierced decorated, symmetrical Art Deco design is ornamented with three individually collet set sapphires, a central oval mixed cut and two round mixed cuts.

The larger central sapphire is flanked on either side by a stunning feature collet set 0.52ct and 0.68ct Old European round cut diamond.

This central sapphire and diamond design is encompassed with an angular incurved border, incorporating twelve individually pavé set Old European cut diamonds.

Either end of this millegrain decorated, geometric Art Deco frame incorporates a fan shaped setting, each ornamented with eight pavé set Old European round cut diamonds

The upper and lower portions of the design have an arched, oval form embellished with sixteen Old European cut diamonds; this border incorporates inverted incurves to the centre of the setting to accommodate the aforementioned angular, central border.

The brooch secures to the reverse of the setting with a hinged bar and safety clasp brooch clasp.

This stunning antique Art Deco brooch has been independently tested using state of the art technology (Niton XL2 Analyzer) and verified as platinum.

The brooch is supplied with two independent diamond grading certificates for the larger feature diamonds, in addition to an independent diamond grading report card for the sapphires and supporting diamonds.

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.

View the complete range of antique brooches

This antique 1930's gemstone brooch is exceptional quality set with stunning blue sapphires and very well colour matched, very high colour graded old cut diamonds displaying fine white colour, brilliance and presence.

The brooch is an exceptional gauge of platinum and is in excellent condition.

Reflections in photographs may detract from the true representation of this fine example of antique Art Deco jewellery/estate jewelry.

Colour Blue

Cut Oval mixed / Round mixed

Content 2.35 carats

Diamond One

Colour G

Clarity VS2

Cut Old European round

Content 0.52 carat

Dimensions 5.37mm x 5.34mm x 2.50mm

Diamond Two

Colour G

Clarity SI2

Cut Old European round

Content 0.68 carat

Dimensions 5.42mm x 5.39mm x 3.70mm

Supporting Diamonds

Colour (average grades) G

Clarity (average grades) SI2

Cut Old European round

Content (total) 4.18 carats

Total Diamond Content

5.68 carats

Length of Setting 2.4mm/0.09"

Width of Setting 4.5mm/0.18"

Height of Setting 6.9mm/0.27"

12.21 grams

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Proud Members of

International Federation of Art and Antique Dealer Associations CINOA
National Association of Jewellery UK's trade association NAJ