best-september-birthstone-jewellery-for-september-birthdays By Cameron Tewson | Published August 25, 2020 | Full size is 1416 × 1058 pixels Comète 2020 Sapphire Necklace J64024 Theo Fennell 18ct White Gold 1.11ct Sapphire, 0.19ct Diamond & 0.02ct Black Diamond Small Bee Brooch £4,250