Robert Altman 1970 New York Geometric Ring 18Kt Gold 20.75 Diamonds & Tiger Eye

A French geometric sculptural cocktail ring. This is a beautiful statement modernist cocktail ring created with geometric patterns in Paris France. The fabulous ring has been crafte...

Sculptural cocktail ring with Santa Ana Madeira Citrine. Gorgeous designer's cocktail ring carefully crafted with geometric architectural patterns in solid yellow gold of 18 karats with high polished finish. It is embellished with a great selection of natural earth mined diamonds and an exceptional Madeira citrine from the Santa Ana mines, located in Uruguay. Diamonds: Mounted at the sides in a channel setting, with 16 graduated round brilliant cut diamonds, 0.64 carats, white colorless F/G color, VS-2 clarity. Gemstones: Mount in the center in a bezel setting, with 1 oval bullet cabochon cut (12 x 7.5 x 7 mm) of a natural Uruguayan vivid and fiery orange Madeira Santa Ana citrine of 4.81 carats. Birthstone: For the month of November. Weight: 12.75 Grams, (8.17 Dwt). Size: 6.5 and may be easily sized on request. Measurements: 21 mm by 13 mm (0.83 x 0.51 Inches) and raise 13 mm over the finger. Hallmarks: Stamped with the maker's mark, the mark for the assay of the gold and signed, "RAI 18KT". Madeira Santa Ana citrine, is belonging to the quartz family, it is one of the most sought-after varieties of citrine. This gemstone is named after the fortified wine made in the Madeira Islands, just off the coast of Portugal. This rare and unique color forms less than two-percent of all citrine. Santa Ana Madeira citrine is one of the most valuable citrines, displaying an intensely saturated red-orange to red-brown color. Gemstones with highly saturated yellow, orange and reddish tones are considered to be the most valuable. Santa Ana Madeira citrine has excellent clarity with no eye-visible inclusions. The gemstone is vitreous and attains remarkable luster when polished. Citrines appear to be dichroic in polarized light. Gemstone like Santa Ana Madeira citrine can be cut in any shape, showing off its color and luster tremendously well. Find it in various classic and fancy shapes like oval, round, rectangular, cushion, pear and trillion...

Vintage cocktail ring ( circa 1950s to 1960s ) set with a cluster of blue sapphires and rubies in a high rising dome mount and one diamond at the top. Crafted in 18 Kt yellow gold wi...

The Ultra Modern 20.00ct. Natural Purple Jade & .75ct. diamonds ring Vs-2 clarity G-color. Ring, entire handmade Black enamel finish dome effect 26.30mm wide from top of ...