Lot 178. Diamond and fancy-coloured diamond brooch, 1950s. Estimate 30 000 — 40 000 GBP (38,124 — 50,832 EUR). Photo: Sotheby's. 

The rectangular open work brooch depicting a rising sun motif, millegrain set with a circular-cut fancy light pink diamond weighing 1.29 carats and a pear-shaped fancy intense blue diamond weighing 0.39 carat. 

Accompanied by GIA reports no. 6177582527 stating that the 1.29 carat diamond is Fancy Light Pink, Natural Colour, SI1 Clarity and no. 2175582157 stating that the 0.39 carat diamond is Fancy Intense Blue, Natural Colour, SI1 Clarity. 

Sotheby's. Fine Jewels, Londres, 06 juin 2016, 10:30 AM