diamond jewellery

Sanwa’s diamond cutting tools are the result of a technical know-how that brings about optimum tool performance providing fast cutting without sacrificing their long lifespan.

They are manufactured with International quality standards but offered at highly economical prices enabling them to give optimum yet low cost cutting.

Sanwa provides for the cutting tool requirements of diverse industries such as marble, granite, concrete, reinforced concrete, glass and so on with high quality diamond tools.

A total solution provider in the field of stone and concrete cutting, Sanwa is widely known for rendering lowest cost of cutting without any compromise on the much-desired quality.

Cut The cut of a diamond has the most effect on its sparkle, or brilliance. Even if the diamond has perfect color and clarity, a poor cut can make a diamond look dull. Blue Nile carries only the highest grades of diamond cut, for the most sparkle. Learn how to choose the right diamond cut with the most brilliance for your budget.

Diamonds with very little color are the most highly valued and are priced accordingly. A little color can diminish a diamond's brilliance. To help you choose the most brilliant diamond, Blue Nile offers diamonds with the highest grades of color. Learn how to choose a diamond with no color noticeable to the unaided eye.

MoreClarity Diamonds with few flaws, or inclusions, are very rare and highly valued. Clarity is graded based on the number, location, size, and type of the inclusions found in a diamond. Blue Nile has some of the clearest diamonds available. Learn how to choose the right grade of clarity for your diamond. The weight of a diamond is measured in carats. Since larger diamonds are more rare than smaller diamonds, diamond value tends to rise exponentially with carat weight. Read more about carat weight and learn how to balance diamond quality with the size of your diamond.