The Beauty of Lab Grown Colored Diamonds: Blue Diamonds & Buying Guide
What to Know Before You Buy
In recent years, lab grown diamonds have transformed the fine jewelry market. No longer seen as just an alternative, these diamonds are celebrated for their brilliance, durability, and the ability to explore stunning colors that were once rare and inaccessible. Among the most sought-after are lab grown blue diamonds and other lab grown colored diamonds, which bring a unique sense of personality and meaning to every piece of jewelry.
At Cove Fine Jewelry, we specialize in crafting timeless designs that reflect a strong sense of place—bringing the beauty of the coast to life through exceptional stones and craftsmanship. Whether you’re searching for the perfect statement necklace or a meaningful gift, understanding lab grown colored diamonds is the first step.
What Are Lab Grown Colored Diamonds?
Lab grown colored diamonds are chemically and structurally identical to mined diamonds. The difference lies in how they’re formed: rather than deep within the earth, they are grown in advanced laboratories using methods that replicate natural diamond formation.
Colors like blue, pink, and green are achieved through controlled conditions that introduce trace elements during the growth process. For example:
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Lab grown blue diamonds often owe their rich hues to boron.
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Lab grown green diamonds may reflect exposure to controlled treatments that mimic natural radiation.
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Lab grown pink diamonds showcase delicate, romantic tones.
Because of this precision, lab grown diamonds allow for extraordinary beauty at a more accessible price point than many rare, mined colored diamonds.
Why Choose Lab Grown Blue Diamonds?
Blue has long symbolized depth, loyalty, and calm—the perfect complement to fine jewelry. Lab grown blue diamonds are prized for their oceanic tones, making them especially meaningful for those drawn to coastal inspiration.
At Cove Fine Jewelry, our signature Atlantic Blue Diamond Pendant captures this beauty. Designed in solid 14k gold and showcasing a radiant blue lab grown diamond, this necklace is a tribute to the Atlantic Ocean and one of our most captivating designs. Shop the Atlantic Blue Diamond Pendant here.
Spotlight: Wequassett Resort & Award Recognition
Our commitment to innovation and storytelling recently earned recognition from the Accessories Council Design Excellence Award. One of our most celebrated pieces, the Wequassett Resort Centennial Ring, features a hidden halo of lab grown green diamonds encircling a cushion-cut London Blue Topaz. Inspired by the hydrangeas of Cape Cod and created to honor the iconic Wequassett Resort, this collaboration was nominated for Collaboration of the Year—a proud milestone for our brand.
This nomination highlights not only the artistry of lab grown colored diamonds, but also their ability to represent place, memory, and meaning in fine jewelry.
Common Questions About Lab Grown Colored Diamonds
Are lab grown diamonds real diamonds?
Yes. They have the same physical, chemical, and optical properties as mined diamonds.
Do they last as long as natural diamonds?
Absolutely. Lab grown diamonds rank the same—10 on the Mohs scale—making them equally durable and suitable for everyday wear.
Are colored lab grown diamonds rare?
They are more accessible than mined colored diamonds, but still unique. Each stone is carefully grown, and no two are exactly alike.
Should I get a certification?
Yes. For diamonds over 1.0 carat, we recommend always requesting certification from a reputable gemological institute such as IGI (International Gemological Institute). Certification ensures transparency on cut, color, clarity, and carat weight.
How to Care for Lab Grown Diamonds
Maintaining your lab grown blue diamonds and other colored stones is simple:
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Regular Cleaning – Soak your diamond jewelry in warm water with a few drops of mild dish soap. Use a soft toothbrush to gently scrub away buildup.
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Avoid Harsh Chemicals – Remove your jewelry when using household cleaners or swimming in chlorinated water.
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Store Safely – Keep your pieces in a soft pouch or jewelry box to avoid scratching against other items.
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Professional Cleaning – For extra sparkle, bring your diamond jewelry to a jeweler once a year for professional cleaning and inspection.
How to Buy Lab Grown Colored Diamonds
When purchasing lab grown colored diamonds, keep these tips in mind:
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Certification – Always request IGI certification for diamonds over 1 carat.
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Color Preference – Decide if you prefer subtle hues (like icy blues) or bold, saturated tones (like vivid greens).
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Cut and Setting – Cushion, oval, and round cuts highlight the depth of color beautifully. Pair with timeless settings in solid gold or platinum.
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Reputable Source – Choose a jeweler who can speak to sourcing, craftsmanship, and certification—ensuring your piece is not only beautiful but also responsibly made.
Final Thoughts
Lab grown colored diamonds offer the perfect balance of beauty, meaning, and modern innovation. Whether you’re drawn to the oceanic hues of lab grown blue diamonds, the lush tones of green, or the romance of pink, these stones provide a stunning way to celebrate life’s most important moments.
At Cove Fine Jewelry, we are proud to design fine jewelry made in the USA, crafted with both artistry and place-based storytelling in mind. From our award-nominated Wequassett Resort Centennial Ring to our signature Atlantic Blue Diamond Pendant, each piece showcases the brilliance of lab grown colored diamonds while reflecting the timeless spirit of the coast.
