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Round|Lab Grown|IGI

1.57ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG494173925

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494173925

Diamond specifications and retailer prices

From £646 GBP
As of November 5, 2026
Save £2,900 GBP (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £3,546 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.57ct lab-grown round diamond

This 1.57ct 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 LG494173925 or 494173925. Listed at 11 retailers as of November 5, 2026, with prices from £646 to £3,546, a £2,900 spread on the same certified stone. MOH London lists it at £3,546. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494173925
Dimensions7.60 × 7.63 × 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
7.60 mm7.63 mm1.57 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494173925
Side View
Table 59.5%Crown 33°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 58.7%

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: £3,546 GBP|Low: £646 GBP|High: £3,603 GBP|Avg: £1,759 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2£646 GBP
Retailer 3£954 GBP
Retailer 5£1,068 GBP
Retailer 6£1,233 GBP
Retailer 8£1,530 GBP
Retailer 4£1,751 GBP
Retailer 7£2,063 GBP
Retailer 9£2,476 GBP
MOH London£3,546 GBP

16 data points across 9 retailers

11 retailers£646 GBP to £3,546 GBP

A
Cheapest Retailer
-
£646 GBP
A
Retailer 2
-
£954 GBP
View
A
Retailer 3
-
£1,038 GBP
View
A
Retailer 4
-
£1,068 GBP
View
Final sale: no returns
Retailer 5
-
£1,106 GBP
View
Price last confirmed 25 days ago
B+
Retailer 6
-
£1,106 GBP
View
B+
Retailer 7
-
£1,233 GBP
View
B
Retailer 8
-
£1,751 GBP
View
B
Retailer 9
-
£2,063 GBP
View
B
Retailer 10
-
£2,074 GBP
View
Most Expensive
B
MOH London
LG494173925 · Nov 5
£3,546 GBP
View
10 more retailers have this diamond
Prices start from £646 GBPSave up to £2,900 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
1.57ct Round
£646 GBP