A platinum diamond brooch with an important Columbian emerald.

A platinum diamond brooch with an important Columbian emerald. Tiered, elongated rectangular design. Geometrically set with a natural 3.41 ct baguette-cut emerald (approx. 16.90 x 5.62 x 4.22 mm, deep intense cool green, high clarity, emerald with no indication of clarity enhancement), flanked on either side by two cushion-shaped old-cut diamonds (approx. 1.02 ct, approx. 5.87 x 6.34 - 4.20 mm and approx. 1.02 ct, approx. 6.05 x 6.23 - 4.15 mm, I/J, vs/si) and surrounded by 42 transition-cut diamonds (H/I, si/p) and 18 baguette-cut diamonds (H/I, vs/si). Hinged double pin made of white gold. Platinum, 18 k white gold (tested), According to DSEF report: Emerald shows no indication of clarity enhancement. 4.5 x 2.0 cm. Weight 12.92 g. C. 1930-35.

Category

Jewellery

Location

Köln

Dimensions

Approx. 4.5 × 2 cm · weight 12.9 g