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Round|Lab Grown|IGI

2.09ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG499190308

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499190308

Diamond specifications and retailer prices

From £750 GBP
As of November 5, 2026
Save £4,390 GBP (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £5,141 GBP at MOH London · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499190308 or 499190308. Listed at 11 retailers as of November 5, 2026, with prices from £750 to £5,141, a £4,390 spread on the same certified stone. MOH London lists it at £5,141. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190308
Dimensions8.24 × 8.29 × 4.93 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
8.24 mm8.29 mm2.09 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190308
Side View
Table 59.5%Crown 32.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £5,141 GBP|Low: £750 GBP|High: £5,224 GBP|Avg: £2,392 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£750 GBP
Retailer 3£1,638 GBP
Retailer 7£1,834 GBP
Retailer 5£1,900 GBP
Retailer 8£1,900 GBP
Retailer 9£2,021 GBP
Retailer 10£2,413 GBP
Retailer 6£2,968 GBP
Retailer 2£2,978 GBP
MOH London£5,141 GBP

17 data points across 10 retailers

11 retailers£750 GBP to £5,141 GBP

A
Cheapest Retailer
-
£750 GBP
B+
Retailer 2
-
£1,638 GBP
View
B+
Retailer 3
-
£1,782 GBP
View
B+
Retailer 4
-
£1,834 GBP
View
Final sale: no returns
B+
Retailer 5
-
£1,900 GBP
View
Retailer 6
-
£1,900 GBP
View
Price last confirmed 26 days ago
B+
Retailer 7
-
£2,021 GBP
View
B
Retailer 8
-
£2,612 GBP
View
B
Retailer 9
-
£2,968 GBP
View
B
Retailer 10
-
£2,978 GBP
View
Most Expensive
B
MOH London
LG499190308 · Nov 5
£5,141 GBP
View
10 more retailers have this diamond
Prices start from £750 GBPSave up to £4,390 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
£750 GBP