Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading ...

If you’re thinking about selling your old diamonds or diamond jewelry for cash, there are three steps you should take before ...

GIA美国宝石研究院成立于 1931 年，是全球权威的钻石、彩色宝石和珍珠研究机构。 GIA 是一个非营利的公益性机构，是宝石与珠宝知识、标准和教育的主要来源。 欢迎关注 GIA。 全球各地的学生来到 GIA 寻求知识、学习技能、获取证书，以求建立成功的宝石和珠宝 ...

The outlook of these credit ratings is stable. The ratings reflect IGI’s consolidated balance sheet strength, which AM Best assesses as very strong, as well as its strong operating performance ...

Manohar Lal Jewels, one of India’s most trusted and renowned jewellery brands, is delighted to announce the grand opening of its newest store at 57 Ambedkar Road, Ghaziabad, on 21st October 2024 at 11 ...

Lab-grown diamonds have emerged as an alternative in the jewelry industry, offering exceptional quality and ethical sourcing. These man-made ...

尽管莫桑石（也称为碳化硅）与钻石在外观上可能看起来相似，肉眼难以区分，但它们并不是同一种物质，不可能100%一样。它们在化学、物理等多个方面存在一些差异。 以下是莫桑石戒指与钻石戒指之间的一些主要区别： 1. 化学成分： 钻石：由纯碳元素组成。

Here's why you should choose LUCCE and their sustainable natural and lab-grown diamond rings for your engagement and wedding!

a research scientist and senior manager of identification at the Gemological Institute of America (GIA). “They are both ‘diamonds.’” Choosing a lab-grown diamond also comes with some ...