Art Deco 1930 American Rg Platum 28.13 Cts Sapphire Diamonds

Art Deco gem set cocktail ring in platinum. Beautiful and historical piece from the Art-Deco period, created in America back in the 1930. This ring was carefully crafted with classic shape, in solid .900/.999 platinum with .100/.999 Iridium and is embellished with a very fine assortment of seventeen natural earth mined gemstones. Star Sapphire: Mounted in the center in a four-prongs setting, with 1 oval cabochon cut (17 x 14.5 x 10.25 mm) of a natural white star sapphire of 27.25 carats. The sapphire is not treated or heated in any way and show a great well centered asterism of 6 rays star. Diamonds: Mounted in bezel settings, with 2 half moon faceted cut diamonds, 0.24 carats, H color, SI-1 clarity. Diamonds: Mounted in bezel settings, with 2 French carre squared cut diamonds, 0.16 carats, white colorless F/G color, VS-1 clarity. Diamonds: Mounted in bezel settings, with 12 European round diamonds, 0.48 carats, white colorless F/G color, VS-2 clarity Weight: 14.52 grams, (9.31 Dwt.). Size: 7.25 and can be easily sized. Measurements: 23 mm by 18 mm (0.91 x 0.71 Inches) and raise 11 mm over the finger. Hallmarks: Stamped with marks for the assay of the platinum, "10% IRID PLAT". Collateral: It is accompanied by a presentation jewelry box. Condition: The overall condition of this ring is excellent. Beside the little normal wear, there is no damage to the platinum. All gemstones are secured in the settings. This piece has been carefully inspecte