Sapphire and diamond cluster ring. Oval-cut sapphire. Brilliant-cut diamonds approx. 0.45ct total. Ring size approx. O½. Weight approx. 3.5g. Very light surface wear to unhallmarked yellow metal testing as 17kt gold. Sapphire: Of vivid medium blue hue with good transparency, some light inclusions and abrasion to facet edges visible under 10x magnification. Diamonds: Bright and lively.