0.44 carat princess fancy vivid blue lab grown diamond
Comparisons

Blue Diamonds vs Green Diamonds

by Aumsri Pradhan on Oct 04, 2026

Quick answer: Blue diamonds get their color from boron and have a cool, elegant, sapphire-like tone that looks crisp in white gold and platinum. Green diamonds get their color from natural radiation (or lab treatment) and have a fresh, earthy, emerald-like tone that glows in yellow gold. Both are extremely rare in nature, but lab grown versions are affordable. Choose blue for classic sophistication, green for a nature-inspired, unexpected look.

Blue vs Green Diamonds at a Glance

Blue Green
Color source Boron Radiation exposure or treatment
Mood Cool, regal, calm Fresh, natural, vibrant
Natural rarity Extremely rare Extremely rare
Lab grown price Affordable Affordable
Best metal 14K or 18K white gold Yellow or rose gold
Gemstone look-alike Sapphire Emerald, tsavorite
Durability 10 on Mohs 10 on Mohs

Why Choose a Colored Diamond Over a Gemstone?

A blue diamond looks similar to a sapphire, and a green diamond to an emerald, but diamonds are harder (10 vs 9 for sapphire and 7.5 to 8 for emerald) and sparkle more. That makes colored diamonds excellent for everyday rings.

0.44 carat princess fancy vivid blue lab grown diamondShown: 0.44 Ct Princess Shape Fancy Vivid Blue Lab Grown Diamond

Styling Ideas

  • Blue: a princess or cushion blue with a white halo in platinum-look white gold.
  • Green: a cushion green in yellow gold with leaf-inspired details.
  • Both make stunning side stones next to a white center.

Read pink vs yellow diamonds and sapphire engagement rings.

Colored Lab Diamonds at Ivevar

We offer blue and green lab diamonds and hand-set them in our Surat workshop. Every order ships free worldwide and comes with 30-day easy returns. Browse fancy color rings.

Shop Blue and Green Lab Diamonds

Vivid blue princess0.44 Ct Vivid Blue PrincessShop NowFancy blue pear0.51 Ct Fancy Blue PearShop NowVivid green princess0.35 Ct Vivid Green PrincessShop NowVivid green cushion0.25 Ct Vivid Green CushionShop NowVivid green cushion 0.260.26 Ct Vivid Green CushionShop Now

Swipe to see more → | View fancy color rings

Frequently Asked Questions

What makes a diamond blue?

Traces of boron in the crystal.

What makes a diamond green?

Radiation exposure, natural or in a lab.

Are blue lab diamonds real?

Yes, real diamonds with blue color.

Is a blue diamond better than a sapphire?

Harder and more brilliant; sapphire is more affordable in natural form.

Which metal suits green diamonds?

Yellow and rose gold.

The Bottom Line

Blue for cool sophistication, green for fresh natural beauty. Lab grown makes both affordable and durable.

Related Guides

Aumsri Pradhan, Ivevar Luxury

Author Bio

Aumsri Pradhan

Founder, Ivevar Luxury


Aumsri Pradhan is the founder of Ivevar Luxury, a Surat-based fine jewelry brand that designs and handcrafts lab grown diamond and moissanite jewelry in its own workshop. She leads the brand's design and customer experience, from engagement rings and bridal sets to custom pieces made to each client's story. Through the Ivevar blog, she shares practical guidance on lab grown diamonds, moissanite, diamond grading and ring design to help buyers choose with confidence.

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