c.1905 18k Diamond Edwardian Engagement Ring Platinum Gypsy Set Old Mine Cut 5.5

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Size 5.5. 1.7 grams total weight. 18k solid gold shank with platinum setting. Shank is marked "18ct" and both shank and setting have been acid tested to confirm precious metal content. Center stone is an old mine cut diamond which measures 1.8mm and side stones are single cut diamonds which measure 1.4mm. Estimated total weight: .05ct.Regarding the acid test photo: Yellow gold tested on right with 18k, left with 22k solution. The 22k solution partly dissolved the line after several minutes. The bottom silver line is shown with 18k on right and 22k in left. Neither solution dissolved the line. Silver line on right is shown with platinum solution. Line remained intact with platinum solution. See photos for condition and message me with any questions. Weight of stone and age of item are estimates based on the information I have on hand and cannot be guaranteed. Carat weight is estimated by taking measurements provided in the listing and using industry standards to estimate weight based on size. The age of the piece is estimated based on the style of jewelry, cut of stones, makers marks, metal composition, history of item provided by previous owner, among other things. The item you see will be exactly the item you receive. All sales are final and returns are not accepted. Contact me immediately if an item does not match the one pictured read more