Once dismissed as ugly ducklings, flawed and unusual stones are increasingly being championed by high-end jewelers.

Swiss Blue Topaz Ring Oval Cut Natural Gemstone Silver online, 9ct yellow gold 14mm x 10mm oval blue topaz ring Jewellery from online, London Blue topaz ring Temple Grace UK online, London Blue ...

comparable to a London blue topaz, but with inclusions, as it’s a beryl, Kaufman explains. Graziela Tourmaline is a Paraiba without copper, so instead of a neon hue, it has a minty shade. Kaufman was ...