In the letter grade diamond color scale d colorless is the highest and best grade and z is the lowest.
Best letter grade diamond.
If you are shopping for investment grade diamonds larger than 10 carats d color the best diamond clarity grades would be if or fl if you can find them.
Such diamonds are best mounted in colored metals.
For example yellow gold casts a warm glow and looks best with diamonds with faint color.
Keep in mind that even if your diamond is colorless if its cut is poor the stone s brilliance will be lost.
Both diamonds will look similar when mounted on a ring but one costs almost twice as much.
This short video explains the gia color scale and how gia classifies a diamond with a letter grade from d to z by comparing it to masterstones representing the color grades on the gia scale.
A k l or m grade diamond set in yellow gold is a good choice if you are concerned about price.
The most detailed and practical guide on the web explaining the nuances between all different color diamonds prices dos and don ts at the end you ll know which is the best diamond color for you.
Price comparison of si1 vs.
Certain fancy shaped diamonds hide color better than others and can cost up to 25 less than a round cut diamond.
This color chart shows how the color of a diamond changes visually across the scale.
If ideal round brilliant cuts.
Diamond used to be graded like gemstones on a range that included aaa aa a and b so the new scale started at d to avoid confusion.