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Heart|Lab Grown|IGI

0.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG799666044

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799666044

Diamond specifications and retailer prices

From $304 USD
£240 GBP
As of October 28, 2026
Save $529 USD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $833 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799666044 or 799666044. Listed at 5 retailers as of October 26, 2026, with prices from $304 to $833, a $529 spread on the same certified stone. MOH London lists it at $833. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799666044
Dimensions5.56 × 5.04 × 3.14 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.56 mm5.04 mm0.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG799666044
Side View
Table 65.0%Crown 32.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 56.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $833 USD|Low: $253 USD|High: $889 USD|Avg: $524 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 7$253 USD
Retailer 2$304 USD
Retailer 3$331 USD
Retailer 4$478 USD
Retailer 6$628 USD
MOH London$833 USD
Retailer 5$889 USD

39 data points across 7 retailers

5 retailers$304 USD to $833 USD

B+
Cheapest Retailer
-
$304 USD
£240 GBP
B+
Retailer 2
-
$331 USD
View
B
Retailer 3
-
$478 USD
View
B
Retailer 4
-
$628 USD
View
Most Expensive
B
MOH London
LG799666044 · Oct 26
$833 USD
£656 GBP
View
4 more retailers have this diamond
Prices start from $304 USDSave up to $529 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
$304 USD