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Gem and Jewelry Library

Stop Misunderstanding! Yellow Diamonds Are Not Always Z Color – The Truth You May Not Know

18 June 2026 30

A D Color diamond, often referred to as a “colorless diamond” or the highest-grade white diamond, is a gemstone many people dream of owning. Some are willing to pay a premium price to possess the purest and whitest diamond available.

Lessons from “Khun Tan”: Every Coin Has Two Sides—Turning Economic Downturns into Opportunities

15 June 2026 76

Pinky Jewelry Wins Thailand Tourism Standard Award for the 17th Consecutive Year, Reinforcing Its Leadership in Thailand’s Quality Gem and Jewelry Industry

06 June 2026 284

Some even say, “If a diamond doesn’t come with a GIA certificate, don’t buy it.” But is that completely true? Before making a decision, let’s understand what GIA actually is and why it matters so much in the diamond industry.

How Important is GIA? Why Can Some Diamonds Differ in Price by Hundreds of Thousands?

28 May 2026 380

Secret Tips for Beginners: How to Spot a Real Diamond with the Naked Eye What Should You Look For?

27 May 2026 452

Emerald is one of the world’s most timeless and best-selling gemstones. Belonging to the beryl family, emerald is admired for its vibrant green color, ranging from deep rich green to lighter green shades. Its unique color comes from traces of chromium and vanadium within the mineral. Beyond its beauty, emerald is also believed to symbolize abundance, prosperity, love, and success.

Emerald: The Birthstone of May — Beautiful, Powerful, and Full of Positive Energy

27 May 2026 353

When buying your first diamond, what would you choose between beauty vs value? A diamond is not just a piece of jewelry — it’s an item that may stay with you for a lifetime. That’s why choosing the right one matters. But for beginners, it’s not easy at all.

Buying Your First Diamond: Should You Focus on Beauty or Value?

23 May 2026 352

From now on, Lab-Grown Diamonds should no longer be referred to as “real diamonds.” Did you know that using the term carelessly could potentially violate consumer protection laws due to misleading advertising?

ay Goodbye to the Term “Real Lab Diamond” — The New Standard Is “Synthetic Gemstone”

23 May 2026 328

If you had to choose between a mounted diamond and a loose diamond, which would you pick? Which option is truly more worthwhile?

The Difference Between Mounted Diamonds vs Loose Diamonds. Which One Is More Worth It?

20 May 2026 364

When it comes to gemstones, these captivating treasures have always held a special place in the world of jewelry. Gemstones are generally categorized into two groups: precious gemstones such as ruby, sapphire, and yellow sapphire, and semi-precious gemstones such as topaz, amethyst, garnet, and aquamarine.

Keeping Up with the Trend: Which Colored Gemstones Will Dominate in 2026? — Insights from the Global Fashion Scene

20 May 2026 359

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