Design Your Ring
1
Choose Lab Diamond Browse Diamonds
Diamond Setting
2
Choose Setting Browse Settings
Setting Diamond
3
Complete Ring Select Ring Size
Complete Ring

Heart Lab Grown Diamond Engagement Rings

Few shapes wear their meaning as openly as the heart, a modified brilliant cut that shares a round's fire while reading as an unmistakable silhouette. Heart lab grown diamond engagement rings live or die on symmetry: matched lobes, a sharp centered cleft, and a point that sits dead straight. Because the shape needs a little size to show clearly, most people start around 0.70 carat. Every Diyona heart center is conflict-free, ships with an IGI certificate, and typically costs 30 to 50 percent less than a comparable mined diamond.

Loading settings...

Why Choose Heart Lab Grown Diamonds

The Heart is a modified brilliant cut, so it shares the fire and sparkle of a round but reads as an unmistakable silhouette. That shape lives or dies on symmetry. The two lobes should match, the cleft between them should be sharp and centered, and the point at the bottom should sit dead straight, so look closely at all three before you commit. A length-to-width ratio near 0.90 to 1.10 looks balanced; go wider and the heart reads squat, go narrower and it looks pinched. Like other brilliant fancy shapes, a Heart can show a bowtie, a faint dark band across the middle, so favor stones where it is minimal. Hearts gather light beautifully but need a little size to read clearly, so most people are happiest at roughly 0.70 carat and up. A five-prong setting, with two prongs cradling the lobes and one securing the point, protects the cut and keeps the outline crisp. The Heart suits anyone who wants a center stone with real personality rather than a classic round.

Heart Lab Grown Diamond Engagement Ring FAQs

What carat size should a Heart lab grown diamond be?
The Heart outline needs a bit of size to read clearly, especially the cleft and point, so most people are happiest at about 0.70 carat and up. Below that the shape can look more like a rounded triangle from a distance. Because Diyona uses direct pricing with no retail middleman, a lab grown Heart lets you reach a larger, more defined size for less than a comparable mined stone, typically around 30 to 50 percent less.
How do I judge the quality of a Heart lab grown diamond?
Start with symmetry. The two lobes should mirror each other, the cleft between them should be sharp and centered, and the bottom point should line up straight with that cleft. Check the IGI certificate that ships with every center stone, and look at the photos for a length-to-width ratio near 0.90 to 1.10 and a minimal bowtie, the faint dark band that can cross the middle of brilliant fancy shapes.
What setting keeps a Heart's outline crisp and protected?
A five-prong setting is the classic choice for a Heart: two prongs cradle the rounded lobes, two hold the sides, and one secures the bottom point, which is the most exposed and chip-prone part of the cut. That arrangement protects the stone while keeping the cleft and point clearly visible so the silhouette stays crisp. Since the lifetime warranty covers manufacturing defects only, not accidental damage, a setting that guards the point is worth prioritizing.
All Lab Grown Diamond Engagement Rings Shop Loose Heart Lab Grown Diamonds