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Round|Lab Grown|IGI

1.54ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG555273875

Shape and cutting style on the report: Round brilliant

Certificate IGI LG555273875

Diamond specifications and retailer prices

From £271 GBP
As of November 5, 2026
Save £1,043 GBP (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,314 GBP at MOH London · As of November 3, 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 LG555273875 or 555273875. Listed at 16 retailers as of November 3, 2026, with prices from £271 to £1,314, a £1,043 spread on the same certified stone. MOH London lists it at £1,314. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555273875
Dimensions7.36 × 7.32 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.36 mm7.32 mm1.54 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555273875
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.4%

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 5
Current: £1,314 GBP|Low: £271 GBP|High: £1,330 GBP|Avg: £633 GBP|-1.2%
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 2, 2026
Retailer 11£271 GBP
Retailer 14£304 GBP
Retailer 12£337 GBP
Retailer 4£371 GBP
Retailer 8£450 GBP
Retailer 3£510 GBP
Retailer 6£525 GBP
Retailer 13£525 GBP
Retailer 10£538 GBP
Retailer 2£580 GBP
Retailer 7£587 GBP
Retailer 9£987 GBP
Retailer 5£1,111 GBP
MOH London£1,314 GBP

23 data points across 14 retailers

16 retailers£271 GBP to £1,314 GBP

A
Cheapest Retailer
-
£271 GBP
A
Retailer 2
-
£304 GBP
View
Final sale: no returns
A
Retailer 3
-
£314 GBP
View
Retailer 4
-
£337 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£337 GBP
View
A
Retailer 6
-
£371 GBP
View
A
Retailer 7
-
£450 GBP
View
A
Retailer 8
-
£510 GBP
View
A
Retailer 9
-
£525 GBP
View
A
Retailer 10
-
£538 GBP
View
A
Retailer 11
-
£580 GBP
View
A
Retailer 12
-
£587 GBP
View
A
Retailer 13
-
£987 GBP
View
B+
Retailer 14
-
£1,081 GBP
View
B+
Retailer 15
-
£1,111 GBP
View
Most Expensive
B+
MOH London
LG555273875 · Nov 3
£1,314 GBP
View
15 more retailers have this diamond
Prices start from £271 GBPSave up to £1,043 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
£271 GBP