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Heart|Lab Grown|IGI

1.54ct F VS1 Heart Lab Grown Diamond

VG • F/VS1 • IGI LG844615685

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844615685

Diamond specifications and retailer prices

From £228 GBP
As of November 4, 2026
Save £691 GBP (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £919 GBP at MOH London · As of November 1, 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 very-good cut grade and certified by IGI LG844615685 or 844615685. Listed at 7 retailers as of November 1, 2026, with prices from £228 to £919, a £691 spread on the same certified stone. MOH London lists it at £919. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844615685
Dimensions6.92 × 8.00 × 4.76 mm
L/W Ratio1.16
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm8.00 mm1.54 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844615685
Side View
Table 56.0%Crown 38.4°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 59.5%

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: £919 GBP|Low: £228 GBP|High: £920 GBP|Avg: £502 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 7£228 GBP
Retailer 4£384 GBP
Retailer 6£400 GBP
Retailer 3£415 GBP
Retailer 2£435 GBP
Retailer 5£775 GBP
MOH London£919 GBP

10 data points across 7 retailers

7 retailers£228 GBP to £919 GBP

A
Cheapest Retailer
-
£228 GBP
B+
Retailer 2
-
£384 GBP
View
B+
Retailer 3
-
£400 GBP
View
B+
Retailer 4
-
£415 GBP
View
B+
Retailer 5
-
£435 GBP
View
B
Retailer 6
-
£775 GBP
View
Most Expensive
B
MOH London
LG844615685 · Nov 1
£919 GBP
View
6 more retailers have this diamond
Prices start from £228 GBPSave up to £691 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
£228 GBP