A Spinel and Diamond Ring


The oval-cut blue spinel, weighing 6.95 carats, within a surround of brilliant-cut diamonds, extending to the shoulders, ring size 6½
|Accompanied by a SSEF report stating that the 6.95 carat cobalt spinel has no indications of heat treatment and originates from Ceylon (Sri Lanka). Report number 101590, dated 14 August 2018.Also accompanied by an appendix stating that the cobalt spinel exhibits an attractive and saturated blue colour combined with an outstanding purity. Its attractive blue colour is due to a combination of well-balanced trace elements, notably cobalt, typical and characteristic for this attractive colour variety of spinel. A natural cobalt spinel from Ceylon of this size and quality is rare and exceptional. 6.95克拉天然無經加熱處理斯里蘭卡尖晶石配鑽石戒指戒指尺寸6½,附SSEF證書及附件