Lab-Made Diamond Engagement Rings

Lab-made diamond engagement rings set in conflict-free metals. Because your “yes” shouldn’t cost the Earth. Customize your almost-perfect match.

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Lab-made diamond engagement rings set in conflict-free metals. Because your “yes” shouldn’t cost the Earth. Customize your almost-perfect match.

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1 Carat Engagement Rings - Leonids

1 Carat Engagement Rings
2 Carat Engagement Rings - Leonids

2 Carat Engagement Rings
3 Carat Engagement Rings - Leonids

3 Carat Engagement Rings
Bezel - Leonids

Bezel
Emerald - Leonids

Emerald
Hidden Halo - Leonids

Hidden Halo
Oval - Leonids

Oval
Pear - Leonids

Pear
Radiant - Leonids

Radiant
Round - Leonids

Round
Side-Stone - Leonids

Side-Stone
Solitaire - Leonids

Solitaire
Twisted Band - Leonids

Twisted Band

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Melina | 3CT Oval Diamond Engagement Ring

Melina | 3CT Oval Diamond Engagement Ring

From $1,970.00

Juliette丨3CT Pear Cut Lab Grown Diamond Cluster Ring with Round Accents in 14K Gold/Platinum - Rings

Juliette丨3CT Pear Cut Lab Grown Diamond Cluster Ring with Round Accents in 14K Gold/Platinum

$3,800.00

3CT Twisted Engagement Ring with Round Lab Grown Diamond - Rings

Alina丨3CT Twisted Engagement Ring with Round Lab Grown Diamond

$3,400.00

3CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum - Rings

Dahlia丨3CT Radiant Cut Lab Diamond Three Stone Engagement Ring In 14K Solid Gold/Platinum

$3,520.00

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3CT Pear Lab Diamond Engagement Ring–Pave Band in 14K Gold - Rings

Selene丨3CT Pear Lab Diamond Engagement Ring–Pave Band in 14K Gold

$3,170.00

Amara丨3CT Oval Cut Lab Diamond Twisted Engagement Ring In Solid Gold/Platinum - Rings

Amara丨3CT Oval Cut Lab Diamond Twisted Engagement Ring In Solid Gold/Platinum

$3,110.00

Olivia丨3CT Three - Stone Lotus - Inspired Lab - grown Diamond Engagement Ring - Rings

Olivia丨3CT Three-Stone Lotus-Inspired Lab-grown Diamond Engagement Ring

$3,530.00

Asscher Cut Pave Solitaire 3CT Lab Grown Engagement Ring - Rings

Thea丨Asscher Cut Pave Solitaire 3CT Lab Grown Engagement Ring

$3,190.00

3CT Radiant Lab Diamond Engagement Ring In 14K Solid Gold/Platinum - Rings

Bella丨3CT Radiant Lab Diamond Engagement Ring In 14K Solid Gold

$3,220.00

Daphne丨3CT Pear Lab Diamond Engagement Ring–Twisted 14K Gold Band

Daphne丨3CT Pear Lab Diamond Engagement Ring–Twisted 14K Gold Band

$3,170.00

3CT Asscher Cut Lab Diamond Twisted Engagement Ring In Solid Gold/Platinum - Rings

Nova丨3CT Asscher Cut Lab Diamond Twisted Engagement Ring In Solid Gold/Platinum

$3,590.00

3CT Oval Cut Lab - Grown Diamond Bezel Engagement Ring in 14K Gold/Platinum - Rings

Sophia丨3CT Oval Cut Lab-Grown Diamond Bezel Engagement Ring in 14K Gold/Platinum

$3,420.00

Hidden Halo 3CT Pear Lab Diamond Ring with Basket Setting - Rings

Elora丨Hidden Halo 3CT Pear Lab Diamond Ring with Basket Setting

$3,290.00

3CT Pear Cut Lab Grown Diamond Engagement Ring With Basket Setting - Rings

Evie丨3CT Pear Cut Lab Grown Diamond Engagement Ring With Basket Setting

$3,210.00

3CT Oval Lab Grown Diamond Hidden Halo Engagement Ring - Rings

Lucia丨3CT Oval Lab Grown Diamond Hidden Halo Engagement Ring

$2,420.00

3CT Lab Diamond Pave Hidden Halo Ring - Cathedral Ring - Rings

Kaia丨3CT Lab Diamond Pave Hidden Halo Ring-Cathedral Ring

$3,400.00

3CT Asscher Cut Lab Grown Diamond Ring With Basket Setting - Rings

Rhea丨3CT Asscher Cut Lab Grown Diamond Ring With Basket Setting

$3,480.00

Nyla丨3CT Solitaire Moissanite Bezel Engagement Ring in Sterling Silver - Rings

Nyla丨14K Solid Gold 3CT Solitaire Lab-Grown Diamond Bezel Engagement Ring

$3,300.00

Minimalist Radiant Cut 3CT Lab Diamond Engagement Ring - Rings

Jayla丨Minimalist Emerald Cut 3CT Lab Diamond Engagement Ring

$2,990.00

Hidden Halo Asscher Cut 3CT Lab Grown Diamond Pave Ring - Rings

Brielle丨Hidden Halo Asscher Cut 3CT Lab Grown Diamond Pave Ring

$3,280.00

Hidden Halo 3CT Round Lab Diamond Ring With Basket Setting - Rings

Liana丨Hidden Halo 3CT Round Lab Diamond Ring With Basket Setting

$3,420.00

Emerald Cut Solitaire Pave 3CT Lab Grown Engagement Ring - Rings

Suri丨Emerald Cut Solitaire Pave 3CT Lab Grown Engagement Ring

$2,850.00

Double Hidden Halo Promise Ring with 3CT Pear Lab Grown Diamond - Rings

Freya丨Double Hidden Halo Promise Ring with 3CT Pear Lab Grown Diamond

$3,100.00

3CT Round Lab Grown Diamond Ring In 14K Gold - Rings

Aria丨3CT Round Lab Grown Diamond Ring In 14K Gold

$3,150.00

3CT Round Lab Grown Diamond Double Hidden Halo Ring - Rings

Talia丨3CT Round Lab Grown Diamond Double Hidden Halo Ring

$3,190.00

3CT Radiant Cut Lab Grown Diamond Three Stones Engagment Ring - Rings

Liora丨3CT Radiant Cut Lab Grown Diamond Three Stones Engagment Ring

$3,080.00

3CT Radiant Cut Lab Diamond Twisted Three Stones Engagement Ring - Rings

Amira丨3CT Radiant Cut Lab Diamond Twisted Three Stones Engagement Ring

$3,090.00

3CT Radiant Cut Lab Diamond Side Stone Engagement Ring - Rings

Serene丨3CT Radiant Cut Lab Diamond Side Stone Engagement Ring

$3,160.00

3CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring - Rings

Callie丨3CT Radiant Cut Lab Diamond Milgrain Hidden Halo Engagement Ring

$3,150.00

3CT Radiant Cut Lab Diamond Engagement Ring in 14K Solid Gold/Platinum - Rings

Amelie丨3CT Radiant Cut Lab Diamond Engagement Ring in 14K Solid Gold/Platinum

$3,010.00

3CT Pear Cut Lab Diamond Hidden Halo Ring - Modern Style - Rings

Celeste丨3CT Pear Cut Lab Diamond Hidden Halo Ring-Modern Style

$3,160.00

3CT Pear Cut Lab Diamond Engagement Ring In 14K Gold - Rings

Elise丨3CT Pear Cut Lab Diamond Engagement Ring In 14K Gold

$3,060.00

3CT Lab Grown Pear Engagement Ring with Hidden Halo - Rings

Clara丨3CT Lab-Grown Diamond Pear Engagement Ring

$3,120.00

3CT Hidden Halo Lab Diamond Ring - Fashion,Pave - Rings

Mira丨3CT Round Solitaire Lab-grown Diamond Channel Set Engagement Ring

$3,280.00

3CT Hidden Halo Lab Diamond Engagement Ring with Side Accents - Rings

Noelle丨3CT Hidden Halo Lab Diamond Engagement Ring with Side Accents

$3,390.00

3CT Emerald Cut Lab Grown Diamond Engagement Ring - Rings

Willow丨3CT Emerald Cut Lab Grown Diamond Engagement Ring

$3,200.00

3CT Emeral Cut Lab Diamond Twisted Engagement Ring In Solid Gold/Platinum - Rings

Alaya丨3CT Emerald Cut Lab Diamond Twisted Engagement Ring In Solid Gold/Platinum

$3,200.00

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MASTER CRAFTSMANSHIP

FREE SHIPPING ETHICALLY SOURCED.ALWAYS
Anywhere in the world We proudly offer only lab-grown diamonds & recycled metals.
40% BELOW TRADITIONAL LUXURY 30-DAY RETURN
Direct to you, No markups, No middlemen. Love it or return it - no questions asked.
FREE SHIPPING
Anywhere in the world
ETHICALLY SOURCED.ALWAYS
We proudly offer only lab-grown diamonds & recycled metals.
40% BELOW TRADITIONAL LUXURY
Direct to you, No markups, No middlemen.
30-DAY RETURN
Love it or return it - no questions asked.

Leonids Blog

Diamond Shapes Guide: Compare the Most Popular Diamond Cuts for Engagement Rings - Leonids
Does White Gold Tarnish? A Complete Guide to White Gold Care, Rhodium Plating, and Longevity - Leonids
Baguette vs Emerald Cut Diamonds: A Complete Comparison Guide - Leonids

FAQs

Gold and silver differ in hardness, long-term durability, and how well they hold gemstones. If you want a breakdown of gold vs silver engagement ring benefits, we explain everything in our full guide.