Heart|Lab Grown|IGI

0.51ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG797631247

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG797631247

Diamond specifications and retailer prices

From $153 USD
As of October 25, 2026
Save $531 USD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,328 USD at MOH London · As of October 29, 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 LG797631247 or 797631247. Listed at 9 retailers as of October 25, 2026, with a 347% 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 angle40.2°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797631247
Dimensions5.59 × 4.82 × 3.16 mm
L/W Ratio1.16
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
5.59 mm4.82 mm0.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG797631247
Side View
Table 62.0%Crown 40.2°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 56.5%

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 25
Current: $1,328 USD|Low: $78 USD|High: $1,359 USD|Avg: $396 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10$78 USD
Retailer 8$153 USD
Retailer 2$264 USD
Retailer 7$282 USD
Retailer 4$286 USD
Retailer 6$372 USD
Retailer 3$382 USD
Retailer 5$391 USD
Retailer 9$684 USD
MOH London$1,328 USD

40 data points across 10 retailers

9 retailers$153 USD to $684 USD

A
Cheapest Retailer
-
$153 USD
B+
Retailer 2
-
$264 USD
£208 GBP
View
B+
Retailer 3
-
$282 USD
View
B+
Retailer 4
-
$286 USD
ZAR 4,620 ZAR
View
B+
Retailer 5
-
$372 USD
View
B+
Retailer 6
-
$382 USD
£301 GBP
View
B
Retailer 7
-
$391 USD
View
B
Retailer 8
-
$684 USD
View
Most Expensive
B
MOH London
LG797631247 · Oct 29
$1,328 USD
£1,046 GBP
View
Price under review
8 more retailers have this diamond
Prices start from $153 USDSave up to $531 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
$153 USD