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Gold ring with rare sapphire ( color change) 4 carats and diamonds - double certificates

Ring in yellow gold of 18 kts set in its centre with a mauve sapphire of 4 carats approximately changing colour (rare, see certificate), surrounded by diamonds of beautiful quality. Body ring alsoset
with three lines of diamonds.nice quality

Sold with TWO GEMMOLOGICAL CERTIFICATES: CERTIFICATE CGI 1501MRG0246 . SAPHIRRE " Color COLOR CHANGE " and EMIL 72415-5 . Rare stone

Weight of Sapphire : 4 carats color change from blue to purple or brown .Nice quality of stone from Sri Lanka
Weight of the Ring : 7.6 grammes
Height of the Ring : 15 mm
Finger size : 52

State gold hallmark placed upon the jewel . Second hand in perfect state

Yellow gold : Yellow 18K gold is an alloy contianing 75% of pure gold, whereas 14K gold contains only 58,5% of pure gold.
Color : White diamonds color range from D (colorless, the purest white) to Z (light color). D, E and F are colorless diamonds, G, H , I and J are near colorless , K and L are faint color, M to Z have a light color.
Sapphire : Sapphire is a gemstone of the family of the mineral corundum. The most famous color for Sapphire is blue, but trace amounts of other elements can give yellow, purple, orange, or greenish sapphires. In the case of chromium impurities in corundum it would be called a called a Ruby. Sapphires are found in Sri Lanka, Myanmar or Australia.

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