Welcome to Jewelco London and thank you for visiting! Jewelco London Conflict Free, Ladies Solid 18ct Yellow Gold 4 Claw Set Round G SI1 0.48ct Diamond and Oval Blue 1.5ct Sapphire Trilogy 8mm Engagement Ring. Made In England This stunning 18ct gold dress ring features a deep blue sapphire accented with a fine round brilliant-cut diamond on either side. A blend of timeless glamour that will take your breath away. Sapphire is the birthstone for September so this makes the perfect birthday gift.