6.29ct Diamond and Onyx, Platinum Brooch - Art Deco - Antique Circa 1930

Condition

This stunning antique brooch is exceptional quality set with black onyx and very high colour graded old cut diamonds displaying a 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 diamond jewellery/estate jewelry.

Diamond Quality

Diamond One

Colour H

Clarity VVS2

Cut Old European round

Content 0.42 carat

Dimensions 4.76mm x 4.73mm x 2.67mm

Diamond Two

Colour H

Clarity VS2

Cut Old European round

Content 0.45 carat

Dimensions 4.78mm x 4.77mm x 2.90mm

Supporting Diamonds

Colour (average grades) G/H

Clarity (average grades) VS2/SI2

Cut Old European round

Content (total) 5.42 carats

Total Diamond Content

6.29 carats

Dimensions

Length of Setting 5.1cm/2.01"

Width of Setting 2.45cm/0.96"

Height of Setting 4mm/0.16"