Round|Lab Grown|IGI

1.54ct J VS2 Round Lab Grown Diamond

EX • J/VS2 • IGI LG478113388

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478113388

Diamond specifications and retailer prices

From £639 GBP
As of November 5, 2026
Save £2,840 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,479 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG478113388 or 478113388. Listed at 11 retailers as of November 5, 2026, with prices from £639 to £3,479, a £2,840 spread on the same certified stone. MOH London lists it at £3,479. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478113388
Dimensions7.52 × 7.50 × 4.48 mm
L/W Ratio1.00
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
7.52 mm7.50 mm1.54 ctJ / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478113388
Side View
Table 59.5%Crown 32.2°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 59.7%

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: £3,479 GBP|Low: £639 GBP|High: £3,531 GBP|Avg: £1,647 GBP|-1.3%
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
November 5, 2026
Retailer 2£639 GBP
Retailer 8£936 GBP
Retailer 11£1,019 GBP
Retailer 13£1,048 GBP
Retailer 9£1,086 GBP
Retailer 14£1,086 GBP
Retailer 15£1,215 GBP
Retailer 6£1,329 GBP
Retailer 4£1,504 GBP
Retailer 10£1,720 GBP
Retailer 3£2,024 GBP
Retailer 12£2,035 GBP
Retailer 7£2,430 GBP
Retailer 5£3,109 GBP
MOH London£3,479 GBP

11 data points across 15 retailers

11 retailers£639 GBP to £3,479 GBP

A
Cheapest Retailer
-
£639 GBP
A
Retailer 2
-
£936 GBP
View
A
Retailer 3
-
£1,019 GBP
View
A
Retailer 4
-
£1,048 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,086 GBP
View
Retailer 6
-
£1,086 GBP
View
Price last confirmed 25 days ago
B+
Retailer 7
-
£1,215 GBP
View
B
Retailer 8
-
£1,720 GBP
View
B
Retailer 9
-
£2,024 GBP
View
B
Retailer 10
-
£2,035 GBP
View
Most Expensive
B
MOH London
LG478113388 · Nov 5
£3,479 GBP
View
10 more retailers have this diamond
Prices start from £639 GBPSave up to £2,840 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
£639 GBP