2ctw Art Nouveau Unusual Cut Diamond Platinum Filigree Large Antique Oval Brooch

Title: 2ctw Art Nouveau Unusual Cut Diamond Platinum Filigree Large Antique Oval Brooch

Description: A platinum filigree brooch from the Art Nouveau era featuring approx. 2ctw of old cut diamonds with some faceted black accent stones that are onyx or jet. A feminine bow design with a large old Euro diamond sits playfully to one side, with another large old Euro on the opposite side of the large oval. At the bottom the 3rd large diamond is a very cool domed cut stone that is quite unusual for the early 20th century (see close-up pics). All three large diamonds are over 1/2ct each, very white & clean G-H color & VS/1 to SI/1.

Weight or Size of Gemstones: Two 5.1-5.2mm round old Euro, one 5.2mm round faceted dome cut & sixteen 1.5-2.5mm old Euro cut diamonds totaling approx. 2.0ctw (conservatively) + three 4-5 X 1-2mm scissor faceted baguette cut black stones (should be four-1 stone missing)

Approx. Dimensions or Size of Item: Measures 1-5/8 inch X 15/16 inch

Metal: Tests as platinum

Hallmarks: Not marked

Weight of Item: 6.7 grams

Circa: 1910s

Provenance: Estate

Listed by: CHRIS / NOOED HFA DBJQ
Zip Code 33701 CALCULATE SHIPPING COSTS HERE
Condition Report: One small black stone baguette is missing on one end (see pics), all other stones are intact & look fine. Platinum shows only very minor surface wear overall, Pin bar, hinge & catch work properly.