Gemstones - San Diego Gemological Laboratory

Lab-Grown vs. Earth Mined Diamonds: What You Need to Know Before You Buy

Grunwald August 9, 2026

What is a Diamond? A diamond is more than just a beautiful gem—it’s a marvel of nature. Made entirely of carbon atoms arranged in a super-strong crystal structure, diamonds are…

The Charm of May - Celebrating the Emerald Birthstone

Grunwald May 2, 2026

Indeed, the vibrant Emerald is a special gem, deeply tied to the month of May. It’s a captivating blend of enchanting legend and unique characteristics. Revered for their mystical powers…

Unveiling the Mystique of Diamond Birthstones

Grunwald April 1, 2026

Birthstones have enchanted people for centuries with their unique stories, meanings, and captivating colors. Each month has a gem associated with it, and for those lucky enough to be born…

A Cut Above - Unmasking the Intrinsic Qualities of Diamonds

Grunwald January 17, 2026

Diamonds are a marvel of nature, formed under incredible pressure and heat. They possess qualities that are admired worldwide. This blog, ‘A Cut Above: Understanding the Qualities of Diamonds’, will…

Which Gemstones are Tied to Milestone Anniversaries?

Grunwald January 6, 2026

An anniversary is a joyous occasion, a time to honor and celebrate the love that you and your spouse share. Whether you’ve been married for years, or are just beginning…

How Are Lab-Grown Diamonds Formed?

Grunwald January 3, 2026

There are a lot of questions to consider when it comes to buying a diamond. Amidst the questions of carat weight, cut, or clarity, have you ever considered choosing between…

How Rare Are Colored Diamonds?

Grunwald December 3, 2025

You might wonder why diamonds come in different colors, and what makes them so expensive. The mineral diamond is a pure form of the element carbon. The appearance of color…

Opal Found On Mars!

Grunwald November 2, 2025

NASA’s Curiosity Mars rover made an incredible discovery recently. The Curiosity found opal – which is rich in water – in Mars’ Gale Crater along the equator. Martian ice is plentiful…

July Birthstone Highlight: Ruby

Grunwald July 18, 2025

July has officially arrived, which means it’s finally time to get outside and enjoy the summer sunshine. But let’s not forget about all of the July babies born during this…

A Clear Guide to Gemstone Treatments

Lab-Grown vs. Earth Mined Diamonds: What You Need to Know Before You Buy

The Charm of May - Celebrating the Emerald Birthstone

Unveiling the Mystique of Diamond Birthstones

A Cut Above - Unmasking the Intrinsic Qualities of Diamonds

Which Gemstones are Tied to Milestone Anniversaries?

How Are Lab-Grown Diamonds Formed?

How Rare Are Colored Diamonds?

Opal Found On Mars!

July Birthstone Highlight: Ruby

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