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Heart|Lab Grown|IGI

1.56ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG539204149

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG539204149

Diamond specifications and retailer prices

From £216 GBP
As of November 4, 2026
Save £855 GBP (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,071 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.56ct lab-grown heart diamond

This 1.56ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG539204149 or 539204149. Listed at 21 retailers as of November 4, 2026, with prices from £216 to £1,071, a £855 spread on the same certified stone. MOH London lists it at £1,071. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539204149
Dimensions6.81 × 8.15 × 4.79 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
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 Faint Blue
Top View
6.81 mm8.15 mm1.56 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539204149
Side View
Table 60.5%Crown 35.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 58.8%

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: Nov 4
Current: £1,071 GBP|Low: £207 GBP|High: £1,087 GBP|Avg: £563 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 5, 2026
Retailer 3£216 GBP
Retailer 11£241 GBP
Retailer 4£268 GBP
Retailer 14£268 GBP
Retailer 12£386 GBP
Retailer 13£386 GBP
Retailer 8£395 GBP
Retailer 10£461 GBP
Retailer 2£469 GBP
Retailer 7£519 GBP
Retailer 9£628 GBP
Retailer 16£823 GBP
Retailer 15£840 GBP
Retailer 6£860 GBP
Retailer 5£939 GBP
MOH London£1,071 GBP

45 data points across 16 retailers

21 retailers£216 GBP to £1,071 GBP

Retailer 1
-
£216 GBP
Price last confirmed 19 days ago
A
Retailer 2
-
£216 GBP
View
A
Retailer 3
-
£241 GBP
View
Final sale: no returns
Retailer 4
-
£250 GBP
View
Price last confirmed 21 days ago
Retailer 5
-
£268 GBP
View
Price last confirmed 11 days ago
Retailer 6
-
£268 GBP
View
Price last confirmed 18 days ago
A
Retailer 7
-
£386 GBP
View
A
Retailer 8
-
£386 GBP
View
A
Retailer 9
-
£395 GBP
View
B+
Retailer 10
-
£461 GBP
View
B+
Retailer 11
-
£469 GBP
View
B+
Retailer 12
-
£519 GBP
View
B+
Retailer 13
-
£628 GBP
View
B
Retailer 14
-
£823 GBP
View
B
Retailer 15
-
£840 GBP
View
Retailer 16
-
£860 GBP
View
Price last confirmed 23 days ago
Retailer 17
-
£861 GBP
View
Price last confirmed 20 days ago
B
Retailer 18
-
£897 GBP
View
B
Retailer 19
-
£939 GBP
View
B
Retailer 20
-
£1,030 GBP
View
Most Expensive
B
MOH London
LG539204149 · Nov 5
£1,071 GBP
View
20 more retailers have this diamond
Prices start from £216 GBPSave up to £855 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
1.56ct Heart
£216 GBP