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Há 10 horas · 1. The Gemological Institute of America (GIA): The Visionary Leadership Award. The GIA, the largest nonprofit institute dedicated to gemological laboratory services, research, and education, is a trailblazer in the industry. Their commitment to independence, excellence, trust, and transparency has set a standard for others to follow.
Há 10 horas · The International Gemological Institute (IGI) has examined and rated a 75.33 carat square-emerald cut lab-grown diamond, which stands as the largest of its kind globally to date. Additionally, a unique 30.69 carat ring-shaped diamond, reportedly formed from a single crystal grown rough stone using Chemical Vapor Deposition (CVD), has been analyzed.
Há 10 horas · These impurities can cause the diamond to exhibit various colors such as yellow, brown, or even rare and highly valuable colors like blue, pink, or red. The Gemological Institute of America (GIA) grades diamonds on a scale from D (colorless) to Z (light yellow or brown), with colorless diamonds being the most desirable and valuable.
Há 10 horas · Before buying any diamond, one must first research and learn more about the diamond one is looking to buy. Find certified diamonds from reputed gemological laboratories- one of the names is the Gemological Institute of America (GIA). Another trusted laboratory is the International Gemological Institute (IGI).
Há 10 horas · Ensure that the jewelry comes with appropriate certifications, such as a hallmark for gold and certifications from reputable gemological institutes like GIA (Gemological Institute of America) or AGS (American Gem Society) for diamonds. Quality of Diamonds: Understand the 4Cs of diamonds: cut, color, clarity, and carat weight.
Há 10 horas · *No Reserve Price* 100% Natural Fancy Diamond (Untreated) Ideally suited as a collector’s item or to set in jewelry. With full Gem Report Antwerp certificate (Belgium). Please see attached report for specifics. GRA Report Number: 1810025 229AN All orders are packed & shipped with great care and delivered by an Express Courier Service. Shipments are […]
Há 10 horas · The Marathon Company is a privately held, third-generation family business founded in 1897. The company serves independent jewelers and large jewelry store
