As requested. Now crafted in 14k yellow gold - everyone's favourite enduring metal - plus lab grown diamonds. Small: Height 4.6cm, width 5.4cm, depth 2.9mm Medium: Height 5cm, width 5.8cm, depth 2.9mm Large: Height 5.3cm, width 6.2dm, depth 2.9mm ABOUT SIGNATURE Simple yet statement, Signature is defined by geometric shapes, high-polished finishes, and precise engineering. LAB GROWN DIAMONDS Crafted with 100% traceable lab grown diamonds, from our handpicked suppliers who are certified to SCS-007, the most comprehensive sustainability standard for diamonds. Chemically and physically identical to natural diamonds, our lab grown diamond partners also use 100% renewable energy.