Zenva Gems proudly makes its debut at the 2025 Hong Kong Jewellery & Gem WORLD Expo, showcasing ethically sourced, precision-cut Sri Lankan gemstones. Visit us at Booth 8H36 from September 15–19 to explore our collection and connect with our team.

Colored gemstones have fetched extraordinary prices at auctions, with some sapphires, rubies, and emeralds surpassing millions. From the legendary Blue Belle of Asia to the record-breaking Estrela de Fura, here are six of the most expensive colored gemstones ever sold.

Opalescent sapphires are captivating the gemstone world with their rare, multi-tonal brilliance. Unlike traditional sapphires, these gems display an iridescent effect caused by natural inclusions, making each one truly unique. Find out why they’re the top sapphire trend and a must-have in fine jewelry.

Learn how to choose the best color, clarity, and cut, understand pricing, and verify authenticity. Find your dream sapphire at Zenva Gems.

Discover the captivating shades of blue sapphires, from delicate fancy blue to regal royal blue. Learn how color and secondary hues impact sapphire value in this comprehensive guide.

Uncover the beauty of Cornflower Blue Sapphires, cherished for their velvety tone. Learn why these gems captivate collectors globally.

A well-cut gemstone is the key to unlocking its full brilliance, color, and allure. This comprehensive guide explores the essential elements of quality gemstone cutting, including proper proportions, precise facet alignment, and meticulous polishing. By focusing on these critical aspects, you'll ensure your gemstone retains its beauty and value, creating a piece that dazzles for years to come.

Ceylon blue sapphires are renowned for their vibrant hues and clarity, but their prices have surged in 2024 due to factors like supply disruptions, mining depletion, and increased global demand. This guide covers the price ranges of both heated and unheated sapphires based on weight and color, alongside key factors such as color grading, treatments, and cut quality that influence their value. Discover what makes these gemstones so sought-after and the market trends driving their rising costs.

For many years, the Sri Lankan gem industry has been famous for some of the world's most beautiful gems, especially sapphires. Though the country boasts so many fine natural sapphires,…

While spinels have already attracted very fast attention, they certainly will be the next phenomenon in the world of stones. One might be attracted to spinels not only because of…