Heart|Lab Grown|IGI

0.51ct D VVS1 Heart Lab Grown Diamond

VG • D/VVS1 • IGI LG840632596

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632596

Diamond specifications and retailer prices

From $386 USD
As of November 4, 2026
7 retailers carry this diamond
Most expensive: $779 USD at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG840632596 or 840632596. Listed at 7 retailers as of November 4, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
D
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632596
Dimensions5.06 × 5.53 × 3.02 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.06 mm5.53 mm0.51 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632596
Side View
Table 63.0%Crown 35.7°Girdle: STK-VTKPavilion 35.5°Culet: NoneDepth 54.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $386 USD|Low: $259 USD|High: $779 USD|Avg: $443 USD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 31, 2026
Retailer 3$259 USD
Retailer 2$318 USD
Retailer 4$370 USD
Retailer 1$386 USD
Retailer 6$404 USD
Retailer 5$471 USD
Taylor and Hart$779 USD

5 data points across 7 retailers

7 retailers

Retailer 1
-
$259 USD
Price last confirmed 9 days ago
Retailer 2
-
$318 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$370 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$386 USD
View
Retailer 5
-
$404 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$471 USD
View
Price last confirmed 9 days ago
Most Expensive
Taylor and Hart
W2ELA4F · Oct 26
$779 USD
View
Price last confirmed 9 days ago
6 more retailers have this diamond
Prices start from $386 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.51ct Heart
$386 USD