Robinson's Jewelers Blog / gemology

Discover the latest trends, tips, and insights in the world of fine jewelry with Robinson's Jewelers' official blog. Dive deep into the mesmerizing realm of precious metals and gemstones. Whether you're a jewelry aficionado or seeking styling advice, our curated articles are here to enlighten and inspire.

Close-up macro photograph of a dazzling emerald gemstone revealing its unique internal inclusions and fingerprints under magnification

What Are "Inclusion Fingerprints" and Why Do They Make Each Gem Unique? The Secret World Inside Your Sparkly Rocks

Maya Thompson Posted on February 17 2026
Okay, let's get real for a second. We've all spent a fair amount of our lives staring i...
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Close-up side-by-side comparison of a natural sapphire and a lab-created sapphire under a gemologist's loupe

How Do Gemologists Distinguish Between a Natural Sapphire and a Lab-created One?

Maya Thompson Posted on February 16 2026
So, you’ve fallen in love with a sapphire. Maybe it’s the one winking at you from an en...
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Close-up macro photograph of a brilliant round diamond highlighting its girdle - the outer edge between crown and pavilion.

What Is a "Girdle" in Diamond Terms & Why It Affects Durability | Your Guide to Diamond Guts

Maya Thompson Posted on February 15 2026
You've nailed the engagement ring style, debated the merits of a round brilliant versus...
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A stunning comparison of a brilliant cut diamond and a deep green emerald set in fine jewelry

Is emerald rarer than diamond? Unearthing the Sparkling Truth

Maya Thompson Posted on February 02 2026
The Great Gem Rarity DebatePicture this: you're standing in front of our stunning Emera...
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Close-up view of a brilliant emerald gemstone being analyzed by a high-tech spectrometer in a gemology laboratory.

How Do Advanced Spectrometers Identify a Gem's Origin (E.G., Colombian vs. Zambian Emerald)? The High-Tech Jewelry Detective Story.

Maya Thompson Posted on January 24 2026
Ever wonder how a stunning emerald can whisper the secrets of its birthplace? It’s not ...
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Close-up of a stunning star sapphire cabochon ring displaying a sharp, six-rayed asterism effect on a dark blue background.

What Causes the Phenomenon of "Asterism" (the Star Effect) in Star Sapphires and Rubies? A Celestial Mystery in Your Jewelry Box!

Maya Thompson Posted on January 22 2026
Picture this: you’re admiring a sapphire ring, and as you tilt it in the light, a silky...
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Close-up image of lustrous natural and cultured pearls on a jeweler's scale with a water beaker, illustrating the specific gravity test process.

The Specific Gravity Test: Identifying Cultured vs. Natural Pearls of Origin (No X-Ray Vision Required!)

Maya Thompson Posted on January 09 2026
Let's be honest—when you're swooning over a gorgeous strand of pearl jewelry, you're pr...
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Close-up of a brilliant cut gemstone under a laboratory microscope, with light reflecting off its facets, symbolizing scientific analysis and beauty.

Tracing the Origin: How Geochemical Fingerprinting Works for Gemstones (And Why It's Like a Sci-Fi Movie for Your Jewelry)

Maya Thompson Posted on January 07 2026
Have you ever held a stunning ruby ring or a dazzling sapphire necklace and wondered ab...
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Close-up image comparing a diamond with blue fluorescence glowing under UV light next to a diamond without fluorescence, showcasing the unique characteristic.

Understanding Fluorescence in Diamonds: Is it a Flaw or a Feature? The Ultimate Guide to a Glowing Question

Maya Thompson Posted on December 28 2025
Let's talk about one of the most misunderstood, mildly dramatic, and potentially magica...
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A deep red ruby gemstone resting on a map of the United States, symbolizing the search for American rubies.

Can Rubies Be Found in the US? Uncovering the Sparkling Secrets in Your Own Backyard

Maya Thompson Posted on December 25 2025
Picture this: you’re hiking through the Appalachian Mountains, daydreaming about findin...
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The transformative journey of a rough gemstone to a brilliantly cut and set piece of fine jewelry.

The Journey of a Gemstone: From Mine to Mount. Your Bling's Epic (and Dusty) Origin Story

Maya Thompson Posted on December 19 2025
Ever find yourself staring at a sparkly gemstone ring, wondering how on earth a rough, ...
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Close-up of a stunning star sapphire and star ruby ring, showcasing the sharp, silvery asterism star effect against a deep blue and red gemstone background.

Star Sapphires and Rubies: The Science of Asterism and What to Look For (The Galaxy on Your Finger)

Maya Thompson Posted on December 02 2025
Okay, let's talk about magic. Real, honest-to-goodness, wear-it-on-your-hand magic. We'...
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Stunning natural Alexandrite gemstone showing color change from green to red in different lighting conditions

Alexandrite: The Color-Changing Stone and Its Scientific Rarity - Nature's Ultimate Mood Ring

Maya Thompson Posted on November 27 2025
Imagine owning a gemstone that pulls a magical wardrobe change right before your eyes –...
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Vintage illustration of St. Eligius working as a goldsmith in his workshop creating religious jewelry

The Patron Saints of Jewelers and Gemologists: The Legends of St. Eligius and Others - Divine Inspiration Behind Your Favorite Bling

Maya Thompson Posted on November 26 2025
Ever wonder who watches over the magical process of turning raw stones into breathtakin...
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Stunning comparison of ruby and pink sapphire gemstones showing their beautiful color variations

The Difference Between Rubies and Pink Sapphires: It's All in the Chromium - And It's More Dramatic Than a Soap Opera Love Triangle!

Maya Thompson Posted on October 30 2025
Picture this: you’re admiring two stunning pinkish-red gemstones that look like they co...
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Magnificent emerald gemstone showing brilliant green color and natural inclusions in macro detail

The Fascinating Geology Behind How Emeralds Form and Get Their Color: Nature's Green Magic Revealed!

Maya Thompson Posted on October 25 2025
That stunning emerald ring catching your eye in our display case has been on quite the ...
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Colorful array of gemstones including rubies, sapphires, and emeralds showcasing nature's chemical artistry

The Science of Color: How Different Trace Elements Create a Gemstone's Color - Nature's Secret Recipe Revealed!

Maya Thompson Posted on October 10 2025
Have you ever found yourself completely mesmerized by the deep crimson of a ruby ring o...
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Gemologist examining precious gems under microscope at Robinson's Jewelers

The Role of the Gemologist: A Day in the Life of Someone Who Studies and Grades Gems - The Secret Science Behind Your Sparkle!

Maya Thompson Posted on October 08 2025
Ever wonder how that stunning emerald cut diamond in your engagement ring got its perfe...
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Close-up comparison of a natural sapphire and a lab-created sapphire under a jeweler's loupe

Can a Jeweler Tell if a Sapphire is Lab Created? The Sparkling Truth Revealed

Maya Thompson Posted on September 30 2025
So, you’re admiring a stunning sapphire piece, its deep blue hue calling to you, when a...
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Blue sapphire gemstone jewelry showing ancient and modern pieces

The Story of Sapphire: From Ancient Beliefs to Modern-day Scientific Uses

Maya Thompson Posted on September 26 2025
What if I told you that the sapphire ring on your finger might have once been ground in...
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