Other Blog. Ruby Ruby is the gemstone in the Corundum family with hardness inferior to diamond. It is popular for use in making jewelry with high commercial value. Solitaire Solitaire is the ring with single diamond in the setting and represents symbol of “single love". It is popular for use in engagement. Akoya Pearl Akoya Pearl is the Japanese pearl derived from culture in saline water and cultured from pearl oyster in the species of Pinctada Fucata Martensii
