Lot 487. Pair of impressive Colombian emerald and diamond ear clips, Harry Winston. Estimate 385,000 — 675,000 CHF (351,858 - 616,893 EUR). Photo: Sotheby's.

Each surmount set with pear-shaped diamonds, suspending a detachable pendant set with an oval diamond of yellow tint and a drop shaped emerald capped with brilliant-cut diamonds, each surmount signed Winston.   

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 17 mai 2016, 10:00 AM