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Round|Lab Grown|IGI

2.09ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG516242531

Shape and cutting style on the report: Round brilliant

Certificate IGI LG516242531

Diamond specifications and retailer prices

From £405 GBP
As of November 4, 2026
Save £1,466 GBP (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,871 GBP at MOH London · As of November 3, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG516242531 or 516242531. Listed at 16 retailers as of November 3, 2026, with prices from £405 to £1,871, a £1,466 spread on the same certified stone. MOH London lists it at £1,871. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.09
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG516242531
Dimensions8.31 × 8.26 × 5.01 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
8.31 mm8.26 mm2.09 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG516242531
Side View
Table 60.0%Crown 33.3°GirdlePavilion 41.2°Culet: NoneDepth 60.4%

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: Nov 4
Current: £1,871 GBP|Low: £405 GBP|High: £1,894 GBP|Avg: £926 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 13£405 GBP
Retailer 10£448 GBP
Retailer 9£546 GBP
Retailer 6£554 GBP
Retailer 8£587 GBP
Retailer 12£639 GBP
Retailer 11£698 GBP
Retailer 5£938 GBP
Retailer 2£1,081 GBP
Retailer 7£1,205 GBP
Retailer 4£1,461 GBP
Retailer 3£1,500 GBP
MOH London£1,871 GBP

19 data points across 13 retailers

16 retailers£405 GBP to £1,871 GBP

Retailer 1
-
£347 GBP
Price last confirmed 36 days ago
A
Retailer 2
-
£405 GBP
View
Final sale: no returns
Retailer 3
-
£405 GBP
View
Price last confirmed 31 days ago
Retailer 4
-
£448 GBP
View
Price last confirmed 35 days ago
A
Retailer 5
-
£448 GBP
View
Retailer 6
-
£546 GBP
View
Price last confirmed 30 days ago
A
Retailer 7
-
£554 GBP
View
A
Retailer 8
-
£587 GBP
View
A
Retailer 9
-
£639 GBP
View
A
Retailer 10
-
£698 GBP
View
A
Retailer 11
-
£1,081 GBP
View
Retailer 12
-
£1,179 GBP
View
Price last confirmed 30 days ago
B+
Retailer 13
-
£1,179 GBP
View
B+
Retailer 14
-
£1,205 GBP
View
B+
Retailer 15
-
£1,461 GBP
View
Most Expensive
B+
MOH London
LG516242531 · Nov 3
£1,871 GBP
View
15 more retailers have this diamond
Prices start from £405 GBPSave up to £1,466 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
£405 GBP