|
Diamond Certification, Gemstone Certification & Grading Reports| IGI
Explore IGI diamond and gemstone certification, grading reports, and consumer education resources. Learn how certification helps determine diamond value.
Diamond Certification: A Complete Guide
A diamond’s certification offers a detailed breakdown of its characteristics, including its 4Cs: carat weight, color, clarity, and cut quality. Notably, the Gemological Institute of America (GIA) is a leading authority in this field. A diamond’s final grading significantly impacts its price.
Diamond Certification: All About Diamond Grading | Blue Nile
Diamond certification is the process of independently evaluating a diamond using standardized grading criteria. These assessments provide a consistent view of a diamond’s characteristics—such as cut, color, clarity, and carat—offering transparency into how the stone is composed and how it presents.
Gemological Institute Of America | All About Gemstones - GIA
Learn the key differences among freshwater, Akoya, Tahitian and South Sea pearls, including how they’re formed, their colors, sizes, luster and value. The Transformation of Diamond Cut Quality Grading: Where Are We Now? Explore the evolution of diamond cut grading and future innovations.
Diamond Certified
Only local companies independently rated Highest in Quality and Helpful Expertise ® earn Diamond Certified. Our rigorous rating and certification process starts with the in-depth pass/fail rating of each company’s customer satisfaction, license and insurances.
Diamond Certifications 101 - KAY
When shopping for a diamond, you'll want to see a diamond report or certification. Discover what these grades mean and the laboratories you can trust.
GIA Diamond Grading | GIA 4Cs
The GIA Diamond Grading Report. This report uses the universally accepted GIA standards to determine a natural diamond’s shape, color, clarity, cut and carat weight – as well as proportions, finish and treatments.
Gem Certification & Assurance Lab
Sarine Diamond Journey ™ provides verified traceability, offering full transparency from mine to market. Our interactive tool lets you explore your diamond's journey, ensuring confidence in its origin and craftsmanship.
DCA | Jewelry Sales Education
Diamond Council of America is a non-profit organization that provides quality, affordable distance education and the opportunity to earn professional certifications in diamonds, colored gemstones and fine jewelry sales.
Diamond Certification: GIA vs IGI Explained | Stienhardt
In this guide, we break down the most trusted diamond certification bodies, including GIA and IGI, along with other recognized labs. You’ll also learn how certifications work, why they matter, and what to check before choosing a certified diamond.
|