Round|Lab Grown|IGI

2.09ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG485161831

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485161831

Diamond specifications and retailer prices

From £754 GBP
$1,010 USD
As of October 29, 2026
Save £4,474 GBP (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £5,228 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 2.09ct lab-grown round diamond

This 2.09ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485161831 or 485161831. Listed at 10 retailers as of October 29, 2026, with prices from £754 to £5,228, a £4,474 spread on the same certified stone. MOH London lists it at £5,228. 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

2.09
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485161831
Dimensions8.21 × 8.18 × 4.99 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
8.21 mm8.18 mm2.09 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485161831
Side View
Table 60.5%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.9%

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: Oct 29
Current: £5,228 GBP|Low: £754 GBP|High: £5,270 GBP|Avg: £2,532 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3£754 GBP
Retailer 8£1,245 GBP
Retailer 5£1,798 GBP
Retailer 6£1,850 GBP
Retailer 9£1,926 GBP
Retailer 7£2,434 GBP
Retailer 4£2,994 GBP
Retailer 2£3,004 GBP
Retailer 10£4,290 GBP
MOH London£5,228 GBP

13 data points across 10 retailers

10 retailers£754 GBP to £5,228 GBP

A
Cheapest Retailer
-
£754 GBP
$1,010 USD
B+
Retailer 2
-
£1,652 GBP
$2,214 USD
View
B+
Retailer 3
-
£1,798 GBP
$2,409 USD
View
B+
Retailer 4
-
£1,850 GBP
$2,479 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,917 GBP
$2,568 USD
View
Retailer 6
-
£1,917 GBP
$2,568 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
£2,635 GBP
$3,530 USD
View
B
Retailer 8
-
£2,994 GBP
$4,011 USD
View
B
Retailer 9
-
£3,004 GBP
$4,025 USD
View
Most Expensive
B
MOH London
LG485161831 · Oct 29
£5,228 GBP
View
9 more retailers have this diamond
Prices start from £754 GBPSave up to £4,474 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
2.09ct Round
£754 GBP