Geometric brooch in platinum and diamonds

MATERIAL: platinum and diamonds DESCRIPTION: trapezoidal brooch, geometrically inspired, made with a navette cut diamond of ct 1.70 in the center, framed with baguette cut diamonds arranged in a transversal way and old cut WEIGHT: navette diamond ct 1.70, K-L color, VS clarity, remaining diamonds ct 10.90, G-H color, VS clarity, gr 19.9