This ring was purchased in 2013 from Past Era Antiques in Houston Texas. There has been no restoration and is available as is. A recent appraisal describes the ring as follows: One Custom Art Deco Platinum 0.60ctw Diamond Cocktail Ring" Custom bench-made Eleven-Stone Platinum Cast & Hand-Carved Diamond Table Top Setting Art Deco (1920-1939) One Marquise shaped 3-diamond center surrounded by geometric diamond patterns (all with milgrain outline) along one petite out of round shank. Solid 950 Platinum; 4.15 total platinum weight Shank Width: 1.8-12.3mm; shank thickness 1.2-3.3mm; Finger Size 4.5 US (3) 2.7-3.5 mm Early Round Brilliant Cut Natural Diamonds; 0.35 ctw (8) 2.2-2.0 mm Early Round Brilliant Cut Natural Diamonds; 0.25 ctw G-H color range; VS2-SI1 clarity range Center Stones are VS2