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Round|Lab Grown|IGI

1.50ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG492133923

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492133923

Diamond specifications and retailer prices

From £646 GBP
As of November 5, 2026
Save £3,006 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,653 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct 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 LG492133923 or 492133923. Listed at 13 retailers as of November 1, 2026, with prices from £646 to £3,653, a £3,006 spread on the same certified stone. MOH London lists it at £3,653. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492133923
Dimensions7.42 × 7.48 × 4.46 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
7.42 mm7.48 mm1.50 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492133923
Side View
Table 57.5%Crown 34.4°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 59.8%

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: £3,653 GBP|Low: £646 GBP|High: £3,696 GBP|Avg: £1,612 GBP|-1.0%
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£646 GBP
Retailer 9£980 GBP
Retailer 14£1,066 GBP
Retailer 13£1,097 GBP
Retailer 10£1,137 GBP
Retailer 12£1,137 GBP
Retailer 4£1,263 GBP
Retailer 5£1,563 GBP
Retailer 2£1,680 GBP
Retailer 11£1,797 GBP
Retailer 7£2,092 GBP
Retailer 6£2,119 GBP
Retailer 3£2,131 GBP
MOH London£3,653 GBP

42 data points across 14 retailers

13 retailers£646 GBP to £3,653 GBP

A
Cheapest Retailer
-
£646 GBP
A
Retailer 2
-
£980 GBP
View
B+
Retailer 3
-
£1,066 GBP
View
B+
Retailer 4
-
£1,097 GBP
View
Final sale: no returns
Retailer 5
-
£1,137 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£1,137 GBP
View
B+
Retailer 7
-
£1,263 GBP
View
B+
Retailer 8
-
£1,680 GBP
View
B
Retailer 9
-
£1,797 GBP
View
B
Retailer 10
-
£2,092 GBP
View
B
Retailer 11
-
£2,119 GBP
View
B
Retailer 12
-
£2,131 GBP
View
Most Expensive
B
MOH London
LG492133923 · Nov 1
£3,653 GBP
View
12 more retailers have this diamond
Prices start from £646 GBPSave up to £3,006 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
1.50ct Round
£646 GBP