Antique Art Deco Diamond Set Plaque Brooch, Platinum and 18ct Gold

A very effective brooch pave set with Old Cut and Rose Cut Diamonds with a Platinum top and 18ct gold back and frame. There is a very slight curvature to the top of the brooch ensuring at least one Diamond is always catching the light as it’s worn. This is an early Art Deco piece using older Diamonds.

Diamond Details:
Cut: Old Cuts and Rose Cuts
Carat: Approximately 4.00cts in total (estimated) with the central Diamond being of approximately 3/4ct.
Clarity: VS2-I1
Colour: H-J (with some being higher).

Markings/Hallmarks: Stamped 18ct & Pt. indicating and confirmed as 18ct gold and Platinum.

Condition: Excellent. Very minor scratches to the metal. The pin is still straight, sharp and springy. There is no evidence of damage or repair.

Dimensions: Approximately 67mm long and 10.5mm wide at the widest point.