Theo Fennell 18ct White Gold, Diamond & 4.9ct Tanzanite Necklace, £20,500 By Cameron Tewson | Published November 11, 2020 | Full size is 1733 × 2241 pixels Moritz Glik Crescent Turquoise Shaker Ring $4,600 BEST DECEMBER BIRTHSTONE JEWELLERY FOR DECEMBER BIRTHDAYS