Origins, properties and appearance Providing a fascinating account of boron-bearing diamonds, Dr Ramchandra Patil, Research Specialist & Gemologist, GSI, says that in order to distinguish between natural and laboratory-grown boron-bearing diamonds, specialized gemmological laboratories, such as Gemological Science International, which...
GSI’s retail training bridges the gap between brand vision and sales execution through tailored, hands-on sessions. Deepa Srinivasa, Chief Gemologist, GSI-India speaking to JewelBuzz underscores the fact that by combining global insights with immersive storytelling and advanced gemology beyond the...
Emeralds are symbols of luxury, wealth, and natural beauty that have captivated collectors, designers and jewelry enthusiasts for centuries. From the rich green glow of Colombian emeralds to the equally continues to rise, so does the question every buyer asks:...
The gemstone that welcomes the year carries far more depth than its familiar red image suggests. Garnet isn’t just one stone - it’s an entire family of minerals, connected by similar chemical structures and crystal formations. This remarkable diversity is...
As the price of fine jewelry continues to rise, particularly in the realm of diamonds, many consumers are seeking ways to achieve the same luxurious look without breaking the bank. It’s no surprise that the pursuit of affordable engagement rings...
The holiday season has always inspired joy, sentiment, and celebration. In recent years, however, it has also sparked a significant shift in jewelry-buying patterns across India. Traditionally, festive jewelry gifting centered on gold coins and classic jewelry designs. Today, consumers...
December is one of the rare months blessed with three birthstones, each with its own story, chemistry, and cultural significance. Rather than simply offering choices, December presents a celebration of diversity through tanzanite, turquoise, and zircon. Together, these gems create...
In today's fiercely competitive jewelry market, standing out requires more than just beautiful designs; it demands trust, authenticity, and transparency. Consumers aren't merely buying jewelry, they're investing in stories, craftsmanship, and confidence.Retailers who recognize this shift are well-positioned to build...
The jewellery trends shaping Christmas and New Year celebrations in 2025 are bold, expressive and deeply personal. This festive season embraces rich colour palettes including deep reds, emerald greens, royal blues and luminous pastels paired with mixed metals, intricate layering...
By Deepa Srinivasa (Chief Gemologist), GSI Fluorescence in diamonds is often misunderstood, yet it is a critical factor in distinguishing natural diamonds from their lab-grown counterparts. To begin with, not all diamonds fluoresce. Most are inert and show no fluorescence...
Gemological Science International (GSI), headquartered in New York, operates 13 laboratories strategically located in major global hubs for diamond and gemstone manufacturing and trade, including the United States, India, Hong Kong, Dubai, and Thailand.
All GSI laboratories grade using the same methods and adhere to the same standards. Every laboratory is staffed with highly trained professionals who have years of grading experience and an extensive gemological background.
The phrases “GSI Certificate” and “GSI Certified” are industry shorthand for GSI grading or identification reports. What this means to you is that expert gemologists and trained professionals meticulously evaluated the item. When your diamond, jewelry or gemstone is accompanied by a GSI grading report, you can be completely confident in the accuracy and objectivity of the evaluation.
GSI diamond grading and identification reports can be found in jewelry stores worldwide and online. Insist on a GSI grading report when shopping for a diamond, jewelry or gemstone.
Every GSI grading report is available on our website. Please visit gemscience.net and go to “verify your report”. Enter your GSI report number and you’ll instantly have access to a digital copy of it. You can also email us through the website to request a copy.
