France, Republic. A First War Aviation Wing Brooch in Platinum & Diamonds, c.1920

(Jewellery, Brooches). Antique. Ladies. Handcrafted in platinum, this beautiful brooch is in the shape of a winged propeller. The center bears a rounded cabochon sapphire, measuring approximately 6.00 x 3.48mm, weighing approximately 1.40ct., by gauge of medium dark tone of moderately strong, slightly violetish blue colour, moderately included, good cut; with two old marquise cut diamonds, measuring approximately 8.70-4.70 x 2.34/2.24mm, weighing approximately total 1.10ct., by gauge of SI clarity, E-F colour. The brooch also contains 146 single and European cut diamonds, measuring approximately 2.5mm to 1.1mm, weighing approximately total 3.60ct.by gauge of VS-2 tp I-1 clarity, F-G-H colour. The reverse bears a horizontal pin in 14kt white gold with a functioning flat wire lever safety clasp. Measuring 83.5mm (w) x 32.8mm (h) and weighing 19.3 grams. Of superb French quality manufacture, unmarked and in near mint condition.

This item is accompanied by a Certificate of Authenticity.

The appraisal states a $14,500 CAD suggested insurance coverage. The estimated value of this item is $4,350 - $5,800 USD.

Gem Grade is a renowned Toronto based appraisal service, with GIA graduate gemologist, in business for over 20 years.