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Round|Lab Grown|IGI

1.54ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG425065750

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065750

Diamond specifications and retailer prices

From £669 GBP
As of November 5, 2026
Save £3,069 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,738 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG425065750 or 425065750. Listed at 13 retailers as of November 5, 2026, with prices from £669 to £3,738, a £3,069 spread on the same certified stone. MOH London lists it at £3,738. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065750
Dimensions7.48 × 7.51 × 4.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.48 mm7.51 mm1.54 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425065750
Side View
Table 53.5%Crown 31.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.2%

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 5
Current: £3,738 GBP|Low: £669 GBP|High: £3,798 GBP|Avg: £1,654 GBP|-0.3%
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
November 5, 2026
Retailer 8£669 GBP
Retailer 9£1,005 GBP
Retailer 12£1,094 GBP
Retailer 14£1,126 GBP
Retailer 3£1,166 GBP
Retailer 10£1,166 GBP
Retailer 4£1,293 GBP
Retailer 6£1,600 GBP
Retailer 2£1,724 GBP
Retailer 11£1,844 GBP
Retailer 7£2,146 GBP
Retailer 5£2,174 GBP
Retailer 13£2,187 GBP
MOH London£3,738 GBP

38 data points across 14 retailers

13 retailers£669 GBP to £3,738 GBP

A
Cheapest Retailer
-
£669 GBP
A
Retailer 2
-
£1,005 GBP
View
B+
Retailer 3
-
£1,094 GBP
View
B+
Retailer 4
-
£1,126 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,166 GBP
View
Retailer 6
-
£1,166 GBP
View
Price last confirmed 25 days ago
B+
Retailer 7
-
£1,293 GBP
View
B+
Retailer 8
-
£1,724 GBP
View
B
Retailer 9
-
£1,844 GBP
View
B
Retailer 10
-
£2,146 GBP
View
B
Retailer 11
-
£2,174 GBP
View
B
Retailer 12
-
£2,187 GBP
View
Most Expensive
B
MOH London
LG425065750 · Nov 5
£3,738 GBP
View
12 more retailers have this diamond
Prices start from £669 GBPSave up to £3,069 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 Round
£669 GBP