This is part of Chairish’s Fine Jewelry assortment.  Vintage Tiffany & Co ruby & diamond cluster ring crafted in 900 platinum (circa 1960s).    Oval mixed cut natural ruby measures 7.1 x 5.4 x 3.0mm (estimated at 1 carat). Color and inclusions are typical of rubies from Burma (Myanmar). There is no evidence of any treatments to the ruby. Sixteen diamonds total an estimated 0.70 carats (estimated at F-G color and VS clarity). The ruby is in good condition with two tiny chips evident (visible unde Classic Cluster Ruby Ring With Center Stone, Classic Ruby Cluster Ring With Center Stone, Classic Cluster Ruby Ring, Classic Marquise Ruby Ring With Vvs Clarity, Ruby Ring With Diamond Cluster And Brilliant Cut, Cluster Ruby Ring With Brilliant Cut Diamonds, Oval Ruby Ring With Platinum Center Stone, Oval Ruby Ring With Platinum Band, Oval Ruby Ring With Platinum Setting