2016年10月11日 · Black diamonds make a bold statement in jewelry and engagement rings. Learn about what they are and what to expect before you shop.

2016年7月26日 · If your diamond already has a GIA diamond report, like a GIA Diamond Grading Report or GIA Diamond Dossier®, you know you have a real diamond. The reports not only …

2016年9月13日 · Yes, white! Get ready to fall in love with this remarkable beauty. You’ll often hear the term “white” applied to colorless diamonds that fall within the GIA D-to-Z color scale or …

2018年3月27日 · If you’re shopping for a diamond engagement ring, you’ve probably heard about diamond fluorescence, along with varying opinions about its pros and cons. Let’s dig into a few …

With a GIA Diamond Grading Report, you can confidently make your next diamond purchase. With an unbiased diamond evaluation, you’re free to focus on its beauty.

2016年12月20日 · Simulated diamonds or diamond simulants are gemstones that resemble diamond’s appearance but have different properties than natural diamonds. Before you buy, …

We created the GIA iD100®, a desktop instrument to help jewelers distinguish natural diamonds from laboratory-grown diamonds, diamond simulants and some treated diamonds in under two …

2014年5月28日 · Of all colored diamonds, one color in particular is especially rare: a predominantly red diamond. “Predominantly red” means that red is the primary color with no …

2023年8月8日 · A VVS diamond (Very Very Slightly included) and a VS diamond (Very Slightly included) differ in clarity and, if all else is equal, they can differ significantly in price. Knowing …

2016年12月13日 · Many major retailers offer colorless laboratory-grown diamonds, and Lightbox, part of the De Beers Group, offers a line of colorless, pink and blue lab-grown diamond …