Articles

Gem and Jewelry Library

Discover the Beauty of Alexandrite: Why Is It Called the “Three-Color Gemstone”?

06 August 2026 91

oday, we’re taking a closer look at Alexandrite, a fascinating gemstone often known in Thailand as the “Three-Color Gemstone.” Alexandrite is an exceptionally rare variety of the chrysoberyl mineral family, celebrated for one of the most remarkable optical phenomena found in the world of gemstones.

One of the most common questions when choosing a diamond is: How big does each carat size actually look, especially when compared to a Thai baht coin?

How Many Carats Is It, How Big Is It Compared to a Thai Baht Coin, and Which Diamond Size Is Best for Different Types of Jewelry?

06 August 2026 66

Creating custom jewelry doesn’t have to be complicated. Many people think they need to have a design in mind, know all about diamonds, or understand jewelry craftsmanship before talking to a jeweler—but that’s simply not true.

Custom Jewelry Is Easier Than You Think! At Petchchompoo Jewelry, We Design It Together Like Friends

02 August 2026 217

A genuine Rolex can be worth hundreds of thousands—or even millions—making every purchase, sale, or consignment a high-value transaction where extra caution is essential.

Safety Warning: How to Buy, Sell, or Consign a Rolex Without Falling Victim to Scammers

01 August 2026 135

Natural diamond engagement rings are poised to return to the spotlight, driven by qualities that cannot be replicated: rarity, emotional significance, and enduring value. Over the past several years, lab-grown diamonds have disrupted the jew

When Natural Diamond Engagement Rings Make Their Comeback: A Look at the Numbers

01 August 2026 181

Today, we're introducing you to Paraiba Tourmaline, one of the world's most captivating and valuable gemstones. Famous for its extraordinary beauty, Paraiba belongs to the tourmaline family and is prized for its vivid neon blue to greenish-blue color. Its exceptional rarity and mesmerizing glow have made it highly sought after by collectors worldwide.

Get to Know Paraiba Tourmaline and How to Spot a Natural Paraiba vs. a Synthetic Imitation

29 July 2026 554

When it comes to modern red carpet fashion, Zendaya is a name that instantly comes to mind. The American actress, who first rose to fame through Disney Channel series Shake It Up and K.C. Undercover, and later captivated audiences as MJ in the Spider-Man films,

Zendaya's Jewelry Style: Why Every Look Feels Effortlessly Luxurious

29 July 2026 307

Many people assume that diamonds are the most expensive gemstones in the world. Surprisingly, that's not always true. Some gemstones command even higher prices—and one of the finest examples is the Kashmir Sapphire.

1 Carat, THB 10 Million: Why Kashmir Sapphires Can Be More Valuable Than Some Diamonds

26 July 2026 414

Who would have thought that a small incident on a tennis court decades ago would inspire one of the world's most iconic jewelry designs?

Tennis Bracelet: From the Tennis Court to the Ultimate Everyday Diamond Jewelry

06 July 2026 334

When people think of the world's finest emeralds, Colombian emeralds are often the first to come to mind. Renowned for their exceptional quality, vivid green color, remarkable brilliance, and relatively high clarity with fewer natural inclusions, Colombian emeralds have long been regarded as the benchmark for beauty and value. It is no surprise that they command some of the highest prices in the gemstone market.

Why Are Ural Emeralds So Captivating? The Hidden Charm of Russian Emeralds

02 July 2026 368

View All