AMS8016 Extremely fine sapphire and diamond ring by Boucheron, Paris. POA

4.18ct vivid blue sapphire, heated, to a stylized brilliant cut diamond mount, 2.65cts, 18ct yellow gold signed Boucheron, stamped for French 18ct gold. POA

Accompanied by DSEF gemstone report stating 4.18ct, natural sapphire, Sri Lankan, indications of heat with no residue