A 9ct gold ruby and diamond seven stone half eternity ring.

Recommended features

• • 

  • What I’ve learned: John Hays, Deputy Chairman

    Lessons from 36 years with Christie’s, including Ammi Phillips, Folk art, American collectors’ passion for history, and changing consignors’ lives

• • 

  • The tastemaker: Wallace Chan

    The brilliant Chinese jewellery designer reveals the inspiration behind his pioneering creations — and his upcoming exhibition at Christie’s in Hong Kong