Heart|Lab Grown|IGI

0.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG829619984

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG829619984

Diamond specifications and retailer prices

From $170 USD
As of October 28, 2026
Save $322 USD (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,129 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 LG829619984 or 829619984. Listed at 7 retailers as of October 28, 2026, with a 189% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle32.4°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829619984
Dimensions5.09 × 5.63 × 2.99 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.09 mm5.63 mm0.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG829619984
Side View
Table 65.0%Crown 32.4°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 53.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,129 USD|Low: $170 USD|High: $1,222 USD|Avg: $449 USD|-7.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7$170 USD
Retailer 2$269 USD
Retailer 3$326 USD
Retailer 4$365 USD
Retailer 5$395 USD
Retailer 6$492 USD
MOH London$1,129 USD

41 data points across 7 retailers

7 retailers$170 USD to $492 USD

A
Cheapest Retailer
-
$170 USD
B+
Retailer 2
-
$269 USD
£212 GBP
View
B+
Retailer 3
-
$326 USD
£257 GBP
View
B+
Retailer 4
-
$365 USD
View
B
Retailer 5
-
$395 USD
View
B
Retailer 6
-
$492 USD
View
Most Expensive
B
MOH London
LG829619984 · Oct 26
$1,129 USD
£889 GBP
View
Price under review
6 more retailers have this diamond
Prices start from $170 USDSave up to $322 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.

A
0.51ct Heart
$170 USD