A vintage square cluster Diamond ringA large square cluster ring set with 16 old brilliant cut white diamonds, each 2mm diameter with an approximate total carat weight of 0. 36 carats, colour H j, clarity Si. Head measures 11x11mm, depth 4. 8mm. Ring weight 2. 8grams. Head tests as platinum, band stamped 18CT and tests as 18 carat yellow gold. Period 1920 1930, no hallmarks required for this period. A stunning period gem ring that will delight its owner with such an impressive array of