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Round|Lab Grown|IGI

3.11ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG508140147

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508140147

Diamond specifications and retailer prices

From £528 GBP
As of November 5, 2026
Save £1,880 GBP (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,408 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 3.11ct lab-grown round diamond

This 3.11ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508140147 or 508140147. Listed at 15 retailers as of November 3, 2026, with prices from £528 to £2,408, a £1,880 spread on the same certified stone. MOH London lists it at £2,408. 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

3.11
Carat
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508140147
Dimensions9.30 × 9.33 × 5.79 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
9.30 mm9.33 mm3.11 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508140147
Side View
Table 59.0%Crown 35.2°GirdlePavilion 41.2°Culet: NoneDepth 62.1%

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: £2,408 GBP|Low: £528 GBP|High: £2,437 GBP|Avg: £1,286 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
November 3, 2026
Retailer 8£528 GBP
Retailer 10£592 GBP
Retailer 3£713 GBP
Retailer 5£743 GBP
Retailer 9£839 GBP
Retailer 7£995 GBP
Retailer 11£1,109 GBP
Retailer 4£1,231 GBP
Retailer 2£1,248 GBP
Retailer 6£1,510 GBP
Retailer 12£2,114 GBP
MOH London£2,408 GBP

19 data points across 12 retailers

15 retailers£528 GBP to £2,408 GBP

A
Cheapest Retailer
-
£528 GBP
A
Retailer 2
-
£575 GBP
View
A
Retailer 3
-
£592 GBP
View
Final sale: no returns
Retailer 4
-
£613 GBP
View
Price last confirmed 20 days ago
A
Retailer 5
-
£613 GBP
View
B+
Retailer 6
-
£713 GBP
View
B+
Retailer 7
-
£743 GBP
View
B+
Retailer 8
-
£839 GBP
View
B+
Retailer 9
-
£995 GBP
View
B
Retailer 10
-
£1,109 GBP
View
B+
Retailer 11
-
£1,248 GBP
View
B
Retailer 12
-
£1,510 GBP
View
B
Retailer 13
-
£1,724 GBP
View
B
Retailer 14
-
£2,114 GBP
View
Most Expensive
B
MOH London
LG508140147 · Nov 3
£2,408 GBP
View
14 more retailers have this diamond
Prices start from £528 GBPSave up to £1,880 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
3.11ct Round
£528 GBP