Sapphire and diamond three-stone engagement ring. Exquisite GIA certified octagonal 4.19ct sapphire center stone set in a platinum setting accented with 2 emerald cut diamonds both of which are also GIA certified, near colorless. This step cut sapphire is certified natural, no heat and has a rich blue and purple hue coloring. It is securely mounted with eight prongs. Designed and crafted in the Peter Suchy Workshop. 1 octagonal blue sapphire VS approx. 4.19cts gem blue natural no heat GIA # 1182