Lab Grown White Diamonds
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The shape of a diamond refers to its physical form, such as round, oval, or princess. Each shape has unique characteristics that influence the diamond’s overall appearance and sparkle. When choosing a shape, consider personal style, finger size, and how the diamond will be set in jewelry. Different shapes can enhance the diamond's brilliance or size and are suited to various aesthetic preferences.has context menu
The international unit of weight, used for measuring diamonds and gemstones. 1 carat is equal to 200 milligrams.
Diamond prices fluctuate frequently based on supply and demand or during our limited-time sales. For specific pricing information on your diamond of interest please click on that diamond in the search results below.
Describes the finish of the facets of the diamond. Polish is graded from Ideal, Excellent, Very Good, Good, Fair, or Poor. Polish grades of Good or higher have the least effect on the brilliance of the diamond and are suitable for the finest quality jewelry. Certain gem labs, such as Gemscan, incorporate Polish into an overall cut grade.
The cut refers to the angles and proportions of a diamond. The cut of a diamond—its depth and width, and the uniformity of the facets—determines its beauty. The skill with which a diamond is cut determines how well it reflects and refracts light.
Describes the alignment of the facets of the diamond. If facets are misaligned, the diamond may poorly reflect light. Symmetry is graded from Ideal / Excellent, Very Good, Good, Fair, or Poor. Symmetry grades of Good or higher have the least effect on the brilliance of the diamond and are suitable for the finest quality jewelry. Certain gem labs, such as Gemscan, incorporate Symmetry into an overall Cut grade.
Color is the natural color visible in a diamond and does not change over time. Colorless diamonds allow more light to pass through than a colored diamond, releasing more sparkle and fire.
The largest facet of a gemstone, located at the top. Table % is the table width as a percentage of the girdle diameter.
A diamond’s clarity refers to the presence of impurities on and within the stone. When a rough stone is extracted from carbon deep beneath the earth, tiny traces of natural elements are almost always trapped inside. These elements are called flaws or inclusions because they are formed naturally and are unique to each stone.
The height of a gemstone, from the culet to the table. Depth % is the height of the diamond as a percentage of the girdle diameter.
Describes the diamond's response to ultraviolet light. In diamonds with strong or very strong fluorescence, there may be some interference with the flow of light which causes a milky or oily appearance.
The diamond ratio refers to the relationship between the width and length of a diamond, and it is calculated by dividing the length of the diamond by its width. The resulting ratio is an important aspect of a diamond's shape and overall appearance. Different diamond shapes, such as round, princess, oval, or emerald, have different ideal ratios that are considered more visually appealing. For round brilliant diamonds, which are the most popular shape, the ideal ratio is 1.0, meaning the diamond is perfectly round.
GIA (Gemological Institute of America)
A top-tier authority, GIA uses the 4Cs (Cut, Color, Clarity, Carat) and provides detailed reports.
HRD (Hoge Raad voor Diamant – Antwerp)
Europe’s leading lab, HRD also uses the 4Cs and issues comprehensive grading certificates.
AGS (American Gem Society)
Renowned for its focus on Cut quality, AGS employs a 0–10 scale; ‘0’ is “Ideal,” ensuring precise evaluations.
IGI (International Gemological Institute)
One of the largest labs worldwide, known for consistent standards and versatile certifications.All are internationally recognized, offering credible assurance of diamond authenticity—boosting customer confidence and online conversions.
GCAL (Gemological Certification and Appraisal Laboratory)
provides detailed, accurate diamond certifications, evaluating the 4Cs (cut, color, clarity, carat weight) and other key diamond characteristics.
