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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 £115 GBP
$153 USD
As of October 25, 2026
Save £399 GBP (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £998 GBP 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
Colour
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: £998 GBP|Low: £58 GBP|High: £1,020 GBP|Avg: £298 GBP|-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£58 GBP
Retailer 8£115 GBP
Retailer 2£198 GBP
Retailer 7£212 GBP
Retailer 4£215 GBP
Retailer 6£279 GBP
Retailer 3£287 GBP
Retailer 5£294 GBP
Retailer 9£514 GBP
MOH London£998 GBP

40 data points across 10 retailers

9 retailers£115 GBP to £514 GBP

A
Cheapest Retailer
-
£115 GBP
$153 USD
B+
Retailer 2
-
£198 GBP
View
B+
Retailer 3
-
£212 GBP
$282 USD
View
B+
Retailer 4
-
£215 GBP
ZAR 4,620 ZAR
View
B+
Retailer 5
-
£279 GBP
$372 USD
View
B+
Retailer 6
-
£287 GBP
View
B
Retailer 7
-
£294 GBP
$391 USD
View
B
Retailer 8
-
£514 GBP
$684 USD
View
Most Expensive
B
MOH London
LG797631247 · Oct 29
£998 GBP
View
Price under review
8 more retailers have this diamond
Prices start from £115 GBPSave up to £399 GBP

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
£115 GBP