Loose Diamonds Search Engine

The most comprehensive resource available online aggregating over 1/2 million certified loose diamonds from reputable dealers around the world. Updated daily, our search tool provides ease of use and an unmatched selection to choose from. Search diamond prices, compare inventory and save your selections in your personal comparison list. If you are just starting your search for that perfect diamond, the education section provides articles and videos about the "4 C's", shapes of diamonds and an in depth dissection of grading reports. Once you have narrowed down your search to the quality that fits your needs, you can consult the Diamond Prices Index™ which tracks diamond pricing on a monthly basis helping identify trends.

Choose a shape to begin your search of 35,045 GIA certified loose diamonds:

Round Diamond Shape
Round Brilliant
Inventory Search
Learn About Round Diamonds
Princess Cut Diamond Shape
Inventory Search
Learn About Princess Cut Diamonds
Cushion Cut Diamond Shape
Inventory Search
Learn About Cushion Cut Diamonds
Radiant Diamond Shape
Inventory Search
Learn About Radiant Cut Diamonds
Asscher Cut Diamond Shape
Inventory Search
Learn About Asscher Cut Diamonds
Emerald Cut Diamond Shape
Inventory Search
Learn About Emerald Cut Diamonds
Pear Diamond Shape
Inventory Search
Learn About Pear Shape Diamonds
Heart Diamond Shape
Inventory Search
Learn About Heart Shape Diamonds
Oval Diamond Shape
Inventory Search
Learn About Oval Shape Diamonds
Marquise Diamond Shape
Inventory Search
Learn About Marquise Cut Diamonds

Diamond Prices Index™

209.2 3.9

Updated April 1, 2024 - Next update May 1, 2024

The main focus of this site is pricing trends by online diamond merchants. Online jewelers base their prices on a well trusted source in the industry, which updates prices every week for round loose diamonds and for other fancy shapes. The diamond pricing in this report is published for jewelers, diamond wholesalers and diamond retailers only, and is not intened to be shared with the general public. We are not allowed to publish the specific contents of this price list, but we can show you what the overall pricing trend is for the industry as a whole on a week to week basis, so you can pick the best time to buy.

Grading Loose Diamonds


The beauty of a diamond resides not only in a favorable body color, but more importantly in its optical properties


Most commercially available diamonds are classified by color, or more appropriately, the lack of color


The clarity of a diamond is determined by the number, location and type of inclusions it contains

Carat Weight

The weight of diamonds, and all other gemstones, is measured in carats

Table Width

Table width is quoted as a percentage of the average width of the diamond's girdle

Total Depth

The total depth percentage is greatly responsible for the amount of brilliance that a diamond will display


The pavilion is the bottom portion of the diamond


The point on the bottom of a diamond's pavilion


Roughly one third of diamonds available in the market fluoresce


Polish is graded the same way as symmetry: Excellent, Very Good, Good, Fair or Poor on a GIA report


Symmetry is graded as Excellent, Very Good, Good, Fair or Poor on a GIA report

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