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Heart|Lab Grown|IGI

1.54ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG711503998

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG711503998

Diamond specifications and retailer prices

From £245 GBP
As of November 4, 2026
Save £971 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,216 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG711503998 or 711503998. Listed at 16 retailers as of November 4, 2026, with prices from £245 to £1,216, a £971 spread on the same certified stone. MOH London lists it at £1,216. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG711503998
Dimensions6.92 × 7.89 × 4.89 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm7.89 mm1.54 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG711503998
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £1,216 GBP|Low: £245 GBP|High: £1,258 GBP|Avg: £573 GBP|-3.3%
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 6, 2026
Retailer 12£245 GBP
Retailer 6£275 GBP
Retailer 15£285 GBP
Retailer 10£304 GBP
Retailer 8£322 GBP
Retailer 9£353 GBP
Retailer 4£409 GBP
Retailer 2£420 GBP
Retailer 3£421 GBP
Retailer 14£525 GBP
Retailer 11£536 GBP
Retailer 7£745 GBP
Retailer 16£892 GBP
Retailer 13£978 GBP
Retailer 5£1,149 GBP
MOH London£1,216 GBP

18 data points across 16 retailers

16 retailers£245 GBP to £1,216 GBP

A
Cheapest Retailer
-
£245 GBP
A
Retailer 2
-
£275 GBP
View
Final sale: no returns
A
Retailer 3
-
£285 GBP
View
A
Retailer 4
-
£304 GBP
View
Retailer 5
-
£322 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£353 GBP
View
A
Retailer 7
-
£409 GBP
View
A
Retailer 8
-
£420 GBP
View
A
Retailer 9
-
£421 GBP
View
B+
Retailer 10
-
£525 GBP
View
B+
Retailer 11
-
£536 GBP
View
Retailer 12
-
£745 GBP
View
Price last confirmed 8 days ago
B
Retailer 13
-
£892 GBP
View
B
Retailer 14
-
£978 GBP
View
B
Retailer 15
-
£1,149 GBP
View
Most Expensive
B
MOH London
LG711503998 · Nov 5
£1,216 GBP
View
15 more retailers have this diamond
Prices start from £245 GBPSave up to £971 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
1.54ct Heart
£245 GBP