Browsing Category
Diamonds
9 posts
Diamond Cuts – Radiant Cut
Round Brilliant Ideal Cut Proportions Diameter: 100% Depth: 59% Table: 53% Crown: 16% Pavilion: 43% Culet: Very small…
Factors to Consider When Buying Diamonds
Buying diamonds and diamond jewelery presents a challenge that you may not deal with on a daily basis.…
Diamond Grades
Diamond Grades are reference points that help define a standard so dealers may communicate in a common language.…
Understanding Diamond “4 C’s”
Diamond Carat Weight Diamonds are sold by the carat. One carat = 0.20 grams, or 1/5 th of…
Round Cut Diamonds
Round Cut Diamonds Round Cut diamonds are the most popular cut of diamonds. For many years, diamond cutters…
What is the rarest gemstone?
Article about Rare Gemstones Gemstones are often thought of as being diamonds, rubies, sapphires, and emeralds. However, there…
Why Certified Diamonds?
Why Certified Diamonds? The gemstone industry is not regulated. Any company can say a gem is certified and…
How much are loose diamonds worth?
About Qumana: We are a top online retailer of gemstones, diamonds, jewelry, and more. The value of a…