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Round|Lab Grown|IGI

3.10ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG542210194

Shape and cutting style on the report: Round brilliant

Certificate IGI LG542210194

Diamond specifications and retailer prices

From £525 GBP
As of November 5, 2026
Save £1,863 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,388 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542210194 or 542210194. Listed at 13 retailers as of November 5, 2026, with prices from £525 to £2,388, a £1,863 spread on the same certified stone. MOH London lists it at £2,388. 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

3.10
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542210194
Dimensions9.31 × 9.26 × 5.79 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
9.31 mm9.26 mm3.10 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542210194
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £2,388 GBP|Low: £421 GBP|High: £2,423 GBP|Avg: £1,097 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5£525 GBP
Retailer 7£588 GBP
Retailer 3£743 GBP
Retailer 8£835 GBP
Retailer 6£990 GBP
Retailer 2£996 GBP
Retailer 9£1,114 GBP
Retailer 4£1,502 GBP
MOH London£2,388 GBP

19 data points across 9 retailers

13 retailers£525 GBP to £2,388 GBP

A
Cheapest Retailer
-
£525 GBP
A
Retailer 2
-
£572 GBP
View
A
Retailer 3
-
£588 GBP
View
Final sale: no returns
A
Retailer 4
-
£610 GBP
View
Retailer 5
-
£610 GBP
View
Price last confirmed 25 days ago
A
Retailer 6
-
£743 GBP
View
A
Retailer 7
-
£835 GBP
View
A
Retailer 8
-
£990 GBP
View
A
Retailer 9
-
£996 GBP
View
A
Retailer 10
-
£1,114 GBP
View
A
Retailer 11
-
£1,502 GBP
View
A
Retailer 12
-
£1,714 GBP
View
Most Expensive
A
MOH London
LG542210194 · Nov 5
£2,388 GBP
View
12 more retailers have this diamond
Prices start from £525 GBPSave up to £1,863 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
3.10ct Round
£525 GBP