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...

Lot 411. Fine 6.03 carats pear-shaped fancy intense blue diamond ring. Estimate 2,880,000 — 4,800,000 CHF (2,632,078 - 4,386,797 EUR). Sold for CHF5,626,000 . Photo Sotheby's The pear-shaped fancy intense blue diamond weighing 6.03 carats mounted as a...

Lot 2105. A rare 3.00 carats pear-shaped fancy intense blue diamond ring, by Moussaieff. Estimate HK$17,500,000 – HK$28,000,000 ($2,200,000-3,500,000). Price realised HKD 19,720,000. © Christie's Image Ltd 2015. Set with a pear-shaped fancy intense blue...