Lab-Grown Diamond Eternity Rings: Are They Worth It?

By Kristin P |
August 7, 2025
Lab-Grown_EternityRings

Eternity rings symbolize never-ending love. But when you're shopping for one, especially with a significant carat weight, the cost can add up quickly. Enter: lab-grown diamond eternity rings—the modern answer to affordable luxury. But are they too good to be true? This guide breaks down everything you need to know to decide if a lab-grown eternity ring is right for you.

What Are Lab-Grown Diamonds?

Lab-grown diamonds are real diamonds, created in a controlled laboratory environment using either:

  • HPHT (High Pressure High Temperature)

  • CVD (Chemical Vapor Deposition)

They are chemically, physically, and optically identical to mined diamonds. Even gemologists need special tools to tell them apart.

Yes, lab-grown diamonds are graded by the same institutions as natural diamonds (GIA, IGI).

Benefits of Choosing Lab-Grown for Eternity Rings

1. More Carat for Your Cash

Lab-grown diamonds can cost 30–50% less than natural diamonds.

 That means you can afford:

  • A full eternity ring instead of a half

  • Larger, higher quality diamonds

  • More premium settings (platinum, bezel, shared prong)

2. Sustainability & Ethics

Lab diamonds are:

  • Conflict-free

  • Have a lower environmental footprint

  • Popular with eco-conscious shoppers

If you're giving a ring to symbolize a legacy of love, it helps if that legacy is also kind to the planet.

3. Visually Indistinguishable

You’ll get the same sparkle, fire, and brilliance—especially in eternity ring styles like:

  • Shared prong

  • Channel

  • Bezel

  • Pavé

Common Concerns: Should You Worry?

What about resale value?

True: Lab-grown diamonds generally resell for less than mined stones.

But: Most people never resell eternity rings—they’re symbolic, not speculative.

Consider the money saved upfront as value retained.

Will people know it’s lab-grown?

Only if you tell them. Even jewelers can’t tell without equipment.

Best Lab-Grown Eternity Ring Styles

Here’s where lab diamonds truly shine:

Style
Why it Works for LAb-Grown
Full Eternity
Max sparkle, budget-friendly
Shared Prong
Minimal metal, showcases each stone
French Pave
High-impact. low profile
Colored Accent Gems                    
Custom birthstone mixes

​Go bold with design, thanks to the savings on stone cost. 

Pricing Examples

Ring Style
Natural Diamond Price                    
Lab Diamond Price
Full Eternity, 2.0 CTW
$4,000-$8,000
$1800-$3500
Half Eternity, 1.0 CTW                    
$2,000-$3,500         
$900-$1,500
Pave Set, 0.5 CTW
$1,000-$2,000
$500-$900

Who Should Consider Lab-Grown Eternity Rings?

Ideas For...
Why?
Budget-Conscious Byers                         
Maximize Sparkle overspending
Ethical Shoppers
Conflict-free and low-impact stones
Trendsetters
More room to explore bold design
Anniversary Givers
More wow-factor for milestone gifts
Self-Gifters
Luxury without guilt

Lab-grown diamond eternity rings offer style, savings, and sustainability without sacrificing sentiment or sparkle. If you're shopping with your heart and your head, lab-grown is not just worth it—it might be the smartest jewelry purchase you ever make.

Watch the video below to learn more about lab-grown diamond eternity rings and why are they worth it.