Gemological Science International (GSI)

A rare Cartier London Crash watch circa 1987 sold for a record-breaking $2 million at Sotheby’s Important Watches auction held in Hong Kong last week. Sotheby’s said the model is among the rarest Cartier timepieces today. Read More: tinyurl.com/2nmu7wh4

Chanel’s Coco Crush fine jewelry collection initially launched in 2015 and is inspired by the house’s quilted motif. Set with and without diamonds and crafted from 18k gold, these rings, bracelets, necklaces, and earrings are designed for layering. #DesignerJewelry #Chanel

Did you know that all the diamonds ever discovered would fit into just one London bus? These mesmerizing gemstones are among the rarest most unique substances found on Earth. Read "History of Diamond Shapes" on InDepthWithDebbie.com at shorturl.at/yYArU @debbieazar

Hematite is a crucial iron-oxide mineral, serving as the primary ore of iron, and is easily identified by its distinctive red-brown streak, metallic-to-dull luster, and high density. Beyond iron production, hematite is used in radiation shielding, jewelry and pigments. #Hematite

GSI combines expert human analysis with advanced instrumentation to deliver precise, objective results for diamonds, gemstones, and finished jewelry. #GemologicalScienceInternational #GSICertified #GSI #GSICertification #GemLab

Sleek and sophisticated, black jewelry makes a great upgrade from traditional gold jewels and can drastically diversify your jewelry collection. Read "Mystique in Midnight: The Best Black Jewelry" on InDepthWithDebbie.com at shorturl.at/5Zj1e #InDepthWithDebbie

Wiley, a publisher of academic journals and scholarly materials, announced that it is partnering with the American Museum of Natural History to digitize the museum’s renowned minerals collection, making it accessible to scientists worldwide. ing novel minerals and materials.

The Cartier Baignoire is an iconic dress watch defined by its signature elliptical case, a design that originated in 1912. Known for its "French chic" aesthetic, the collection features a range of sizes—from the delicate Mini to the Large Allongée. #DesignerJewelry #Baignoire

On the Spring runways, layered beaded necklaces and celestial drop earrings made striking appearances at houses such as Celine, Chanel, and Zankov. Read "How to Wear Beaded Jewelry, Inspired by Spring 2026 Runways" on InDepthWithDebbie.com at shorturl.at/SQuOx y

Ametrine is a rare variety of quartz that occurs naturally when amethyst and citrine grow together in the same crystal. The only source of natural ametrine in the world is the Anahi Mine located in the Brazilian state of Bolivia. #Ametrine #GSI #GSICertification

GSI supports manufacturers, suppliers, and retailers with accurate, timely certification that enables inventory movement and informed purchasing decisions. Read More: GemScience.net #GemologicalScienceInternational #GSICertified #GSI #GSICertification #GemLab

As the weather warms up, spring becomes the perfect season to show off your jewelry. With necklines opening up and sleeves getting shorter, it’s time to let your favorite chunky cuffs, bold rings shine. Read More on InDepthWithDebbie.com at shorturl.at/US8O4

Jewelry designer Shahla Karimi took a creative risk last year, investing an entire year’s marketing budget into a social media reality series highlighting her namesake brand and the women who work in her New York City showroom. Read More: tinyurl.com/455nrhcy #WebbyAward

“The colored gemstone industry is different from the colorless diamond industry because buyers of colored gems have always had options with multiple gemstones looking like each other” said Wendi Mayerson, Chief Gemology Officer at GSI in NYC. Read More: shorturl.at/h9TAO

Luxury jewelry has moved beyond ornament into form. This season, leading maisons are embracing sculptural silhouettes—bold gold collars, knife-edge cuffs, and engineered diamond settings that feel closer to architecture than adornment. Read More on InDepthWithDebbie.com at

In 1965, Jean Dinh Van founded a completely unexpected jewelry brand, where he crafted metal pieces by hand like a sculptor. #GemologicalScienceInternational #Gemstones #DesignerJewelry #JeanDinhVan

Sphalerite is a striking zinc sulfide mineral prized by collectors for its exceptional brilliance and fire—often exceeding that of diamond. #GemologicalScienceInternational #GSICertified #GSI #GSICertification #Sphalerite

Independent verification is not optional in today’s market—it’s essential. GSI provides the transparency required to support trust at every transaction point. Visit GemScience.net to learn more. #GemologicalScienceInternational #GSICertified #GSI #GSICertification

Bubble jewelry is a playful take on traditional jewelry. These pieces are characterized by their transparent, glass-like spheres filled with tiny, colorful objects. H Read More on InDepthWithDebbie.com at shorturl.at/Nj2rR #InDepthWithDebbie #BubbleJewelry

Gemological Science International organized its Jewelry Excellence Workshop in Indore, bringing together senior sales representatives from jewelry retailers across Madhya Pradesh for a focused training program. Read More: tinyurl.com/52xd98h7 #GSICertified #Indore