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Round|Lab Grown|IGI

2.39ct I SI2 Round Lab Grown Diamond

ID • I/SI2 • IGI LG474116649

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474116649

Diamond specifications and retailer prices

From £394 GBP
$528 USD
As of October 30, 2026
Save £890 GBP (69%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,284 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 2.39ct lab-grown round diamond

This 2.39ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG474116649 or 474116649. Listed at 4 retailers as of October 30, 2026, with prices from £394 to £1,284, a £890 spread on the same certified stone. The Diamond Guys lists it at £1,284. 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

2.39
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474116649
Dimensions8.61 × 8.57 × 5.30 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
8.61 mm8.57 mm2.39 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474116649
Side View
Table 56.0%Crown 34.2°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.7%

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: Oct 30
Current: £488 GBP|Low: £187 GBP|High: £1,499 GBP|Avg: £948 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
The Diamond Guys
October 29, 2026
Retailer 2£394 GBP
Retailer 1£488 GBP
Retailer 4£628 GBP
Retailer 5£725 GBP
Retailer 3£971 GBP
The Diamond Guys£1,284 GBP

32 data points across 6 retailers

4 retailers£394 GBP to £1,284 GBP

B+
Cheapest Retailer
-
£394 GBP
$528 USD
A
Retailer 2
-
£440 GBP
$589 USD
View
A
Retailer 3
-
£971 GBP
CA$1,807 CAD
View
Most Expensive
B+
The Diamond Guys
1779253526 · Oct 30
£1,284 GBP
$1,721 USD
View
3 more retailers have this diamond
Prices start from £394 GBPSave up to £890 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
2.39ct Round
£394 GBP