Natural vs. Lab Diamond Engagement Rings: Which Is Right for You?

By Kristin P |
July 3, 2025
Lab vs Natural Diamonds

One of the biggest decisions you’ll make when buying an engagement ring isn’t about shape or setting—it’s whether to choose a natural diamond or a lab-grown diamond. Both are real diamonds with stunning sparkle, but they differ in origin, price, and perception. This guide breaks down the key differences between lab and natural diamonds, and helps you decide which is the best fit for your values, budget, and style.

What’s the Difference?

Feature

Natural Diamond

Lab-Grown Diamond

​Origin
Formed underground over billions of years                    

Created in labs using HPHT or CVD methods         
Chemistry               
​Carbon crystal

​Identical carbon crystal structure

​Certification  
​GIA, IGI, etc.

​GIA, IGI, etc.

​Appearance ​
​Visually identical

​Visually identical

Lab-grown and natural diamonds are chemically and optically the same. Even gemologists need specialized tools to tell them apart.

Shape - Pros & Cons at a Glance

Natural Diamonds

Pros:

  • Timeless prestige & tradition

  • Higher long-term resale value

  • Rarity can increase emotional value

Cons:

  • Higher cost

  • Mining has ethical and environmental concerns

  • Supply is more limited (especially for large stones)

  • Shape

Lab-Grown Diamonds

Pros:

  • Up to 50% more affordable

  • Ethical and sustainable origin

  • Larger size or higher quality for your budget

Cons:

  • Lower resale value

  • Perceived as “less special” by some (though this is changing rapidly)

  • Shape

Price Comparison

​Size (CTW)
​Natural Diamond Range

​Lab-Grown Diamond Range

​1.00 ct

​$3,500–$7,000+

$400–$2,500

​1.50 ct

​$6,000–$12,000+

$600–$3,500

​2.00 ct

​$10,000–$20,000+

$1,000–$5,000

Lab diamonds give you flexibility to invest in a better setting, larger size, or add custom touches like halos or pavé bands.

Are Lab-Grown Diamonds Ethical?

Yes—lab-grown diamonds:

  • Are conflict-free by nature

  • Have a smaller environmental footprint

  • Appeal to eco-conscious and values-driven shoppers

Many engagement ring buyers today choose lab diamonds to align with their values while maximizing beauty and budget.

Should You Worry About Resale Value?

Only if you’re planning to resell—most couples don’t.

  • Natural diamonds typically retain more resale value

  • Lab diamonds hold emotional rather than investment value

  • Jewelry isn’t like real estate—buy it for love, not profit

Lab vs. Natural: Which Should You Choose?

If You Want… 

Go With… 

Prestige & tradition 

Natural Diamond 

More carat for your money 

Lab-Grown Diamond 

Sustainability & ethics 

Lab-Grown Diamond 

Higher resale or heirloom value           

Natural Diamond 

Modern, customizable design 

Lab-Grown Diamond 

Mixed Options: The Best of Both Worlds

Some couples choose:

  • A natural center diamond with lab-grown side stones

  • A lab-grown diamond engagement ring and a natural diamond wedding band

  • To upgrade over time—starting with lab, moving to natural later

There’s no rulebook—only what feels right for your relationship and budget.

Whether you choose a natural or lab-grown diamond, the most important thing is that your engagement ring reflects your love story. Lab-grown diamonds offer unbeatable value and ethical sourcing, while natural diamonds carry a legacy of tradition. The right choice is the one that feels perfect to you. Watch the video below to learn more about the difference between natural and lab Engagement Rings.