The Gem Journal

Guides, Stories & Gem Facts

Everything we know about buying, wearing, and caring for fine gemstones — written by the same team that sources them.

How to Identify a Genuine Ceylon Sapphire

How to Identify a Genuine Ceylon Sapphire

Ceylon sapphires are among the most sought-after gemstones in the world — and among the most imitated. Here's what to actually look for before you buy.

May 12, 2026 · 6 min read Read

The 4 Cs of Gemstone Grading, Explained

The 4 Cs of Gemstone Grading, Explained

You've probably heard "the 4 Cs" thrown around for diamonds. Here's how the same framework applies — a little differently — to colored gemstones.

Apr 28, 2026 · 5 min read Read

Ruby vs Sapphire: What's the Real Difference?

Ruby vs Sapphire: What's the Real Difference?

They're practically the same mineral — so why is one red and the other blue, and does that affect which one you should choose?

Apr 10, 2026 · 4 min read Read

A Brief History of Sri Lanka's Gem Mines

A Brief History of Sri Lanka's Gem Mines

Sri Lanka has been called "Ratna-Dweepa" — Island of Gems — for well over a thousand years. Here's how that reputation was built.

Mar 22, 2026 · 7 min read Read

How to Clean and Care for Your Gemstone Jewelry

How to Clean and Care for Your Gemstone Jewelry

A little regular care keeps colored gemstones looking their best for decades. Here's what's safe, and what to avoid.

Feb 18, 2026 · 5 min read Read

Unheated vs Heat-Treated Gemstones: What Buyers Should Know

Unheated vs Heat-Treated Gemstones: What Buyers Should Know

"Unheated" appears on a lot of certificates and price tags — here's what it actually means, and whether it should change your decision.

Jan 30, 2026 · 5 min read Read

SEYLAN GEMS

Your trusted source for premium gemstones. We bring you the world's finest collection with guaranteed authenticity and exceptional quality.

Our Guarantee

100% Authentic Gemstones
Certified Quality
Secure Payment
Worldwide Shipping

Quick Links

Customer Care

Get In Touch

Email Us

[email protected]

Call Us

+94 71 212 3113

Follow Us