ReGem Research Center

💎✨ Mohs Scale of Hardness: How Tough Is Your Gem — and Can You Wear It Every Day?

At ReGem Research Center, we believe jewelry should be both beautiful and long-lasting. That’s why we use the Mohs Scale of Hardness — a guide to how scratch-resistant (and wear-friendly) your gemstone really is.
📊 Mohs Hardness Scale + Wear Guide

🔟 Diamond – Extremely hard
✅ Perfect for daily wear

9️⃣ Ruby, Sapphire (Corundum) – Very durable
✅ Ideal for everyday jewelry

8️⃣ Topaz – Fairly hard
🟡 Can be worn daily with care

7️⃣ Quartz family (Amethyst, Citrine, Smoky Quartz) – Moderately durable
🟡 Best for occasional wear

6–6.5 Feldspar (Moonstone, Labradorite) – Can scratch easily
⚠️ Wear with care, avoid impact

5️⃣ Apatite – Soft and brittle
❌ Not recommended for rings or bracelets

4️⃣ Fluorite – Very soft
❌ Decorative use only

3️⃣ Calcite – Extremely soft
❌ Not suitable for jewelry

2.5–4.5 Pearl – Soft, organic
⚠️ Avoid perfumes, water, and impact – wear gently
👗 Daily Wear or Handle with Care?

✅ Daily Wear: Diamond, Ruby, Sapphire
🟡 Wear with Care: Topaz, Quartz, Moonstone, Pearl
❌ Delicate Use Only: Apatite, Fluorite, Calcite

🌿 At ReGem, we study both durability and sustainability when selecting gemstones — making sure beauty meets responsibility.

💎✨ Precious vs. Semi-Precious: What’s the Difference?

At ReGem Research Center, we believe every gem has value — but not all are classified the same. Let’s break it down:
🔷 Precious Gemstones

These are the "elite four" of the gem world — rare, durable, and highly valuable.

🔹 Diamond
🔹 Ruby
🔹 Sapphire
🔹 Emerald

✔️ High demand and often used in fine jewelry
✔️ Exceptional brilliance, hardness, and rarity
🔹 Semi-Precious Gemstones

All other gemstones fall under this category — but that doesn’t mean they’re any less beautiful or meaningful.

Examples:
🔸 Amethyst
🔸 Garnet
🔸 Peridot
🔸 Topaz
🔸 Tourmaline
🔸 Moonstone
🔸 Aquamarine

✔️ Wider range of colors and origins
✔️ Often more affordable and just as expressive

💡 Did You Know?
The terms "precious" and "semi-precious" are traditional but not always accurate today. Many so-called “semi-precious” gems can be rarer or more valuable than “precious” ones, depending on quality.

🌍 At ReGem, we value all gems — especially those overlooked or wasted. Whether precious or semi-precious, every stone has a story worth telling.

🔗💎 What Is Traceability in Jewelry — and Why Should You Care?

At ReGem Research Center, every gem should come with a story you can trust. That’s where traceability comes in — especially in an industry where conflict diamonds and unsustainable mining still exist.
🧭 What Is Traceability?

Traceability means being able to follow a gemstone or metal from its origin to the final product — through mining, cutting, trading, design, and sale.

It answers questions like:
Where did this gem come from?
Was it responsibly sourced? Who handled it along the way?
🔍 How Does It Work?

✅ Source Documentation – Was the gem mined or lab-grown? What country is it from?

✅ Chain of Custody – Every hand it passes through (miner, cutter, wholesaler, designer) is logged.

✅ Technology Tools – Blockchain, QR codes, and digital gem passports help secure and verify information.

✅ Verification & Certification – Independent audits ensure transparency and build consumer trust.
🌍 Why It Matters

✔️ Ethical Sourcing – Prevents the use of conflict diamonds and reduces harm to vulnerable communities
✔️ Consumer Trust – Buyers today demand to know what they’re really buying
✔️ Sustainability – Protects people and the planet by promoting clean supply chains
✔️ Value Proof – Traceable gems hold higher long-term value and meet ethical market standards

At ReGem, we're integrating traceability into our research, upcycled materials, and innovation pipelines — because sustainability starts with knowing the journey of every gem.

💛 How Much Gold Is in Your Jewelry? Let’s Break It Down
At ReGem Research Center, we believe knowing what’s in your jewelry is just as important as how it’s made. Here's a quick guide to understanding gold purity — and why it matters for sustainability and design.

✨ What Does “Karat” Mean?
The karat (K) measures the purity of gold on a scale of 24.
24K = 100% pure gold
However, pure gold is too soft for everyday wear — so it's usually blended with other metals, such as silver, copper, or zinc, to enhance its strength and durability.

🔸 Common Gold Purities in Jewelry:

💛 24K Gold – 99.9% Pure
• Bright, rich yellow color
• Very soft, mostly used in investment pieces or cultural jewelry

💛 22K Gold – 91.6% Pure
• Used in high-end traditional jewelry
• Softer, not ideal for everyday rings

💛 18K Gold – 75% Pure
• Popular in fine jewelry
• Balanced color and durability

💛 14K Gold – 58.5% Pure
• Durable and affordable
• Common in Western markets for daily wear

💛 10K Gold – 41.7% Pure
• Strongest and most affordable
• Less gold content, slightly duller tone

🌍 Why It Matters for Sustainability

At ReGem, we explore how recycled gold and responsible sourcing can reduce environmental impact.
Understanding purity helps consumers and designers choose smarter, longer-lasting materials — and reduces the need for excessive mining.

🔬💎 Lab-Grown Diamonds: Real Science, Real Sparkle
Not sure if lab-grown diamonds are real, fake, or something in between? Let’s clear that up 💡

At ReGem, we believe beauty should come with truth. So here’s what you need to know 👇
💠 Lab-Grown = Synthetic, Not Simulant

Yes — lab-grown diamonds are real diamonds.
They’re called synthetic, but don’t let the word fool you. These gems have the same chemistry, hardness, and sparkle as mined diamonds — just made in a lab instead of deep underground.
❌ They’re NOT simulants
✅ They’re 100% diamond
🧪 Two Ways to Grow a Diamond in a Lab:

1. CVD (Chemical V***r Deposition)
Carbon gas is broken down and builds up layer by layer on a diamond seed.
📌 Super precise
📌 Great clarity

2. HPHT (High Pressure High Temperature)
Recreates the same conditions as deep in the Earth — intense heat and pressure grow the diamond crystal.
📌 Used for gem and industrial diamonds
📌 Can enhance color too
🎭 What Are Simulants Then?

Simulants only look like diamonds — but they’re totally different inside.
They’re great for fashion, but not the same in value or structure.

💎 Common Diamond Simulants:
• Cubic Zirconia (CZ)
• Moissanite
• White Sapphire
• Glass

🌱 At ReGem, we study everything — natural, lab-grown, and simulant — so that your jewelry choices can be beautiful, ethical, and informed.

🔍✨ Know Your Gems: What’s Natural, What’s Lab-Made, and What’s Just Faking It?
At ReGem Research Center, we believe that making ethical choices starts with the right knowledge. Whether you’re 🛍️ buying, 🎨 designing, or 👀 just admiring, here’s a simple guide to the different types of gemstones.

💎 1. Natural Gemstones
Born from the Earth 🌋🌱
These gems formed over millions of years through natural heat and pressure deep underground.
No human interference, just nature at work.
Example: Ruby, sapphire, or emerald from mines ⛏️

🧪 2. Synthetic Gemstones
Grown by Science, Just Like Nature ⚗️🔬
These are created in a lab but have the same chemical, physical, and optical properties as natural gems.
Ethically made and environmentally friendly ♻️
Example: Lab-grown diamond, sapphire, or emerald 💠

🎭 3. Simulant Gemstones
The Great Pretenders 🎨🔍
Simulants look like real gems but are made from entirely different materials.
They offer the sparkle but not the substance of the original.
Example: Cubic zirconia that looks like a diamond 💍

🔥 4. Treated Gemstones
Nature with a Boost 💎✨
These are natural gems that have been enhanced through heat, dye, or other processes to improve their appearance.
Example: Heat-treated blue sapphire 🔵

🧩 5. Composite Stones
Gemstone Collage 🖼️🔧
Made by combining several materials to imitate one solid gem.
Often used in fashion jewelry for a unique look at a lower cost.
Example: Opal doublets or triplets 🌈

🌍💡 Why It Matters
At ReGem, we work with all types of gem materials — natural, synthetic, and upcycled — because understanding where a gem comes from helps build a more transparent and sustainable future for the jewelry industry. 🌐💚

🔷 ReGem Origins: Born from Waste, Built on Wisdom

In 2025, a visit to Chanthaburi revealed a quiet crisis—gemstone waste piling up and traditional crafts fading.
That moment sparked a vision to create a center where science meets heritage and waste becomes innovation.

ReGem connects researchers, artisans, and communities, working closely with local artists to shape a more sustainable future for the gem and jewelry industry.

🌿 What We Do at ReGem
🔧 Education & Training – Workshops, school partnerships, and public awareness
🔬 Research & Innovation – Developing sustainable materials and testing green tech
🔗 Traceability & Certification – Using blockchain to ensure transparency
🤝 Community Engagement – Collaborating with artisans to preserve local heritage

🌱✨ Welcome to ReGem Research Center!

We are a research-driven hub dedicated to transforming waste from the gem and jewelry industry into valuable resources through sustainable innovation and upcycling.

🔬 Mission: Drive sustainable innovation in the jewelry industry by transforming waste into valuable resources through research and upcycling techniques.

From pearl shell remnants to discarded gemstone fragments, we’re turning byproducts into breakthroughs creating a circular future for design and production.

Follow us for project updates, material innovations, and stories from behind the scenes.

♻️ Let’s reimagine waste, together.