Lab-Grown Cushion-Cut DIamond Engagement Rings

Lab-grown cushion cut diamond engagement rings showcase soft edges with a timeless feel. Discover halo and solitaire settings that pair vintage charm and contemporary sparkle.

Best Seller

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 3-5/8 ct tw 14K White Gold

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 3-5/8 ct tw 14K White Gold

Sale price $6,524.99, was $8,699.99, 25% off

Previously Owned Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 5-5/8 ct tw 14K White Gold

Previously Owned Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 5-5/8 ct tw 14K White Gold

Previously Owned

Sale price $6,719.99, was $11,199.99, 40% off

Previously Owned Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 3-5/8 ct tw 14K White Gold

Previously Owned Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 3-5/8 ct tw 14K White Gold

Previously Owned

Sale price $3,959.99, was $13,199.99, 70% off

Previously Owned Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 1-7/8 ct tw 14K White Gold

Previously Owned Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 1-7/8 ct tw 14K White Gold

Previously Owned

Sale price $2,339.99, was $3,899.99, 40% off

Now + Forever Certified Lab-Grown Diamonds Cushion-Cut Engagement Ring 8-1/4 ct tw 14K White Gold

Now + Forever Certified Lab-Grown Diamonds Cushion-Cut Engagement Ring 8-1/4 ct tw 14K White Gold

Sale price $11,849.99, was $15,799.99, 25% off

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 7 ct tw 14K White Gold

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 7 ct tw 14K White Gold

Sale price $10,274.99, was $13,699.99, 25% off

Neil Lane Artistry Heritage Cushion-Cut Lab-Grown Diamond Engagement Ring 4-3/4 ct tw Platinum

Neil Lane Artistry Heritage Cushion-Cut Lab-Grown Diamond Engagement Ring 4-3/4 ct tw Platinum

Sale price $8,099.99, was $10,799.99, 25% off

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 1-7/8 ct tw 14K Yellow Gold

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 1-7/8 ct tw 14K Yellow Gold

Sale price $3,374.99, was $4,499.99, 25% off

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 10 ct tw 14K White Gold

Sale price $14,249.99, was $18,999.99, 25% off

Neil Lane Artistry Lab-Grown Diamond Certified Cushion-Cut Halo Engagement Ring 3-5/8 ct tw 14K Yellow Gold

Sale price $6,749.99, was $8,999.99, 25% off

New

Now + Forever Lab-Grown Diamonds Certified Cushion-Cut Engagement Ring 2-1/2 ct tw 14K White Gold

Sale price $4,874.99, was $6,499.99, 25% off

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 6-3/8 ct tw 18K Yellow Gold

Sale price $9,974.99, was $13,299.99, 25% off

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Halo Engagement Ring 3-5/8 ct tw 18K Yellow Gold

Sale price $6,749.99, was $8,999.99, 25% off

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 12 ct tw 14K White Gold

Sale price $17,249.99, was $22,999.99, 25% off

+20% in Bag

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 4-5/8 ct tw 14K Rose Gold

Clearance

Sale price $7,209.99, was $10,299.99, 30% off

+20% Extra in Bag

+1

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 4-5/8 ct tw 14K White Gold

Sale price $7,724.99, was $10,299.99, 25% off

+1

+20% in Bag

Now + Forever Lab-Grown Diamonds Certified Cushion-Cut Solitaire Engagement Ring 1-1/2 ct tw 14K White Gold (F/VS2)

Clearance

Sale price $2,309.99, was $3,299.99, 30% off

+20% Extra in Bag

+20% in Bag

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Halo Engagement Ring 2-3/4 ct tw 14K White Gold

Clearance

Sale price $4,319.99, was $7,199.99, 40% off

+20% Extra in Bag

+20% in Bag

Now + Forever Certified Lab-Grown Diamonds Cushion-Cut Engagement Ring 3-1/4 ct tw 14K Yellow Gold

Clearance

Sale price $5,459.99, was $7,799.99, 30% off

+20% Extra in Bag

+20% in Bag

Neil Lane Artistry Heritage Cushion-Cut Lab-Grown Diamond Engagement Ring 2-3/4 ct tw Platinum

Clearance

Sale price $4,379.99, was $7,299.99, 40% off

+20% Extra in Bag

+20% in Bag

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Three-Stone Ring 4 ct tw 14K White Gold

Clearance

Sale price $5,999.99, was $7,999.99, 25% off

+20% Extra in Bag

+20% in Bag

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 2-1/4 ct tw 14K White Gold

Clearance

Sale price $2,639.99, was $4,399.99, 40% off

+20% Extra in Bag

+20% in Bag

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 10 ct tw 14K White Gold

Clearance

Sale price $10,379.99, was $17,299.99, 40% off

+20% Extra in Bag

+20% in Bag

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Hidden Halo Engagement Ring 7 ct tw 14K White Gold

Clearance

Sale price $7,739.99, was $12,899.99, 40% off

+20% Extra in Bag

+20% in Bag

Neil Lane Artistry Heritage Cushion-Cut Lab-Grown Diamond Engagement Ring 4 ct tw Platinum

Clearance

Sale price $6,749.99, was $8,999.99, 25% off

+20% Extra in Bag

+20% in Bag

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Engagement Ring 5 ct tw 14K White Gold

Clearance

Sale price $4,899.99, was $9,799.99, 50% off

+20% Extra in Bag

+20% in Bag

Neil Lane Artistry Heritage Cushion-Cut Lab-Grown Diamond Engagement Ring 2-3/4 ct tw 18K Yellow Gold

Clearance

Sale price $5,109.99, was $7,299.99, 30% off

+20% Extra in Bag

+20% in Bag

Neil Lane Artistry Cushion-Cut Lab-Grown Diamond Halo Engagement Ring 2-1/4 ct tw Platinum

Clearance

Sale price $3,299.99, was $5,999.99, 45% off

+20% Extra in Bag

Showing 28 of 28 products

Lab-grown cushion cut diamond engagement rings feature soft rounded corners and romantic brilliance with timeless charm. Discover halo settings, solitaire bands, and vintage-inspired styles crafted in platinum, white gold, and rose gold. The cushion cut delivers exceptional sparkle while maintaining a classic silhouette that feels elegant and versatile.