Gem and Jewelry Library

A 1 carat diamond may command a high price, but not simply because it looks bigger. In fact, two diamonds can both weigh exactly 1 carat and still have dramatically different prices.

Why Is a 1 Carat Diamond Expensive? It’s Not Just Because It’s “Big”

31 August 2026 168

When people think of the world’s most valuable gemstones, diamonds are often the first thing that comes to mind.

Why Are Some Sapphires More Expensive Than Diamonds? The Answer May Surprise You

31 August 2026 150

Ruby is one of the world’s most highly valued gemstones and is often referred to as the “King of Gemstones.” Its striking red color, exceptional durability, and long history have made it one of the most desirable gemstones of all time.

Ruby Market 2026: Current Ruby Prices and Market Trends

30 August 2026 160

The Old Money aesthetic is currently one of the most popular fashion trends, especially when it comes to jewelry. It is all about simplicity, elegance, and timeless beauty.

How to Dress in Old Money Style: Tips for Styling Old Money Jewelry

27 August 2026 162

If you’re searching for the perfect engagement ring or wedding ring, a classic diamond ring is always a timeless choice. Classic designs never go out of style, offering an elegant and sophisticated look that remains

5 Classic Diamond Ring Styles for Engagement & Wedding Rings That You Can Wear Every Day

26 August 2026 202

When it comes to the latest engagement ring trends, 18K gold paired with natural diamonds is one of the most captivating combinations of 2026. The perfect balance of timeless elegance, lasting value, and sentimental meaning, this pairing creates a luxurious look that never goes out of style.

18K Gold & Natural Diamonds: The Hottest Engagement Ring Designs of 2026

23 August 2026 248

Cristiano Ronaldo and Georgina Rodríguez had been together since 2016, and the wait finally ended on August 11, 2026, when the couple exchanged vows in an intimate ceremony in Cascais, Portugal, surrounded by their five children.

The "Queen of Kalahari": Georgina Rodríguez's $55 Million Wedding Necklace

23 August 2026 265

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.

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

06 August 2026 327

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 289

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 356

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 218

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 255

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