Diamonds, though, are in almost every type of jewelry store and available internationally through the web. World production and use of diamonds proves that they are not as rare as one would think, especially commercial grade stones. Diamond prices are kept afloat by a combination of inflated profit margins and the controlled release of supply by diamond cartels. Transparent, vibrantly colored corundum ie.
Ruby and sapphire are rare gemstones. Given current conditions in the mine and marketplace, natural untreated sapphires of high grade are scarce. It broke the record previously held by the Rockefeller Sapphire, a 62 carat blue Burmese stone. Rockefeller from an Indian maharajah (believed to be the Nizam of Hyderabad) in 1934 for an undisclosed price.
It is a 62.02 carat, rectangular step-cut blue sapphire, mounted in a diamond ring. Edward's SapphireNot all the finest sapphires in the world are from Kashmir or Burma. The Logan Sapphire, donated to the Smithsonian Institution in Washington in 1960 by Mrs. Logan, is a 422.99 carat Sri Lankan blue sapphire. Set in a brooch with 20 round diamonds, it is the second largest known blue sapphire.
The largest is a stone known as the Blue Giant of the Orient. The Blue Stone of the Orient is also from Sri Lanka. The item "VINTAGE 22K GOLD RARE BLUE SAPPHIRE RING MEN'S SIGNED KPR KDM 916 FROM INDIA" is in sale since Thursday, October 05, 2017. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Rings\Gemstone".
The seller is "4744366" and is located in Andover, Massachusetts. This item can be shipped to United States.