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Round|Lab Grown|IGI

1.41ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG451055455

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055455

Diamond specifications and retailer prices

From £464 GBP
As of November 5, 2026
Save £1,796 GBP (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,260 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.41ct lab-grown round diamond

This 1.41ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055455 or 451055455. Listed at 10 retailers as of November 5, 2026, with prices from £464 to £2,260, a £1,796 spread on the same certified stone. MOH London lists it at £2,260. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.41
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055455
Dimensions7.35 × 7.33 × 4.31 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.35 mm7.33 mm1.41 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055455
Side View
Table 58.0%Crown 31.8°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.7%

Caratlytics Score

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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: £2,260 GBP|Low: £445 GBP|High: £2,294 GBP|Avg: £958 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4£464 GBP
Retailer 7£519 GBP
Retailer 5£575 GBP
Retailer 8£575 GBP
Retailer 2£594 GBP
Retailer 6£880 GBP
Retailer 9£909 GBP
Retailer 10£1,204 GBP
Retailer 3£1,375 GBP
MOH London£2,260 GBP

16 data points across 10 retailers

10 retailers£464 GBP to £2,260 GBP

A
Cheapest Retailer
-
£464 GBP
B+
Retailer 2
-
£519 GBP
View
Final sale: no returns
B+
Retailer 3
-
£519 GBP
View
B+
Retailer 4
-
£575 GBP
View
Retailer 5
-
£575 GBP
View
Price last confirmed 21 days ago
B+
Retailer 6
-
£594 GBP
View
B
Retailer 7
-
£880 GBP
View
B
Retailer 8
-
£1,375 GBP
View
B
Retailer 9
-
£1,513 GBP
View
Most Expensive
B
MOH London
LG451055455 · Nov 5
£2,260 GBP
View
9 more retailers have this diamond
Prices start from £464 GBPSave up to £1,796 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
1.41ct Round
£464 GBP