18ct Yellow Gold Sapphire, Ruby, Emerald & Diamond Ring Plaque ring with central Australian type sapphire (approx 1.0ct). With 12 round brilliant cut diamonds around, rubies and sapphires to sides, rubies and emeralds to ends. Diamond total approx 0.40ct. Sapphire total approx 2.10ct. Emeralds total approx 0.40ct. W19.16g (approx) Ring size P (8).