This is an original Sheffield & Sons designer ring with amazing Antique Art Deco styling in like brand new condition showing a large Burma (Myanmar) Natural Ruby with GIA and AIGL paperwork. The ring shows a platinum construction with amazing Antique style design prong set with an oval brillian mixed cut natural Corundum Ruby from Burma (Myanmar) showing a 2.43 carat weight, deep red color and heat with residues. The ring also shows 52 round brilliant natural Diamonds with a weight of 0.37 carats, VS2 to SI1 clarity and G-H color. Total ring weight is 8.1 grams, and is Platinum marked PT950. The piece comes with a GIA (Gemological Institute of America) which confirms this as a natural Corundum Sapphire from Burma Myanmar having an oval cut, red coloring, 2.43 carats and heated treatment (GIA Report Number 6223366473). Also comes with AIGL (American International Gemological Laboratories, INC., K38E35-EA17393) gemology report and appraisal which confirms the above and gives a value of $11,426.00. Size 7 US.