Emerald Cut Sapphire and Diamond Engagement RingThe 0. 73 carat emerald cut blue sapphire is set between emerald cut diamonds weighing 0. 52 carat in total. The bright diamonds are an F G colour and VS clarity. Made in the dramatic Art Deco style, the three gemstones complement each other to create a statement ring to wear forever. This three stone ring is made in high quality platinum 950. Available to purchase online or visit us by appointment in London. Please telephone 020 7193 4412 or email.