Antique Old Mine cut diamond four stone ring in gold

Antique Old Mine cut diamond four stone ring in platinum and 18kt yellow gold. Set across the finger with four cushion shape Old Mine cut diamonds in platinum millegrain settings, to an elegant four stone design featuring neat collets, open gallery supported by cheniers and flanked by tri-split shoulders which terminate to ribbed cuffs before smoothing to a solid shank. Estimated total diamond weight 1.40cts. Marked 18kt gold.