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Round|Lab Grown|IGI

3.01ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG542210153

Shape and cutting style on the report: Round brilliant

Certificate IGI LG542210153

Diamond specifications and retailer prices

From £511 GBP
As of November 5, 2026
Save £1,155 GBP (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,340 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.01ct lab-grown round diamond

This 3.01ct 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 LG542210153 or 542210153. Listed at 13 retailers as of November 5, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.01
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542210153
Dimensions9.23 × 9.16 × 5.67 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
9.23 mm9.16 mm3.01 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542210153
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £2,340 GBP|Low: £409 GBP|High: £2,355 GBP|Avg: £1,045 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 5£511 GBP
Retailer 7£572 GBP
Retailer 3£724 GBP
Retailer 10£764 GBP
Retailer 8£817 GBP
Retailer 6£964 GBP
Retailer 2£977 GBP
Retailer 9£1,057 GBP
Retailer 4£1,460 GBP
MOH London£2,340 GBP

20 data points across 10 retailers

13 retailers£511 GBP to £1,667 GBP

A
Cheapest Retailer
-
£511 GBP
A
Retailer 2
-
£556 GBP
View
A
Retailer 3
-
£572 GBP
View
Final sale: no returns
Retailer 4
-
£593 GBP
View
Price last confirmed 21 days ago
A
Retailer 5
-
£593 GBP
View
A
Retailer 6
-
£724 GBP
View
A
Retailer 7
-
£817 GBP
View
A
Retailer 8
-
£964 GBP
View
A
Retailer 9
-
£977 GBP
View
A
Retailer 10
-
£1,057 GBP
View
A
Retailer 11
-
£1,460 GBP
View
A
Retailer 12
-
£1,667 GBP
View
Most Expensive
MOH London
LG542210153 · Oct 29
£2,340 GBP
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from £511 GBPSave up to £1,155 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
3.01ct Round
£511 GBP