PLATINUM, 18 KARAT GOLD, FANCY VIVID YELLOW DIAMOND AND NEAR COLORLESS DIAMOND RING, SCHLUMBERGER FOR TIFFANY & CO., 1972 The cushion-shaped diamond of fancy vivid yellow color weighing 11.13 carats., framed by bees set with small round and marquise-shaped near colorless diamonds weighing approximately 2.05 carats. Sotheby's.
A provocative 18K white and rose gold "cord of three strands united" creates a lively and memorable engagement ring. The split shank crossover design features four pink and white diamond pavé-set bands in a fusion of warmth and austerity. Paradise Engagement Ring Style 2100 by Mark Silverstein Imagines. http://www.msimagines.com/product-p/2100-18kwr-wpd.htm