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Radiant|Lab Grown|IGI

3.11ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG536210926

Shape and cutting style on the report: Radiant cut

Certificate IGI LG536210926

Diamond specifications and retailer prices

From £495 GBP
As of November 4, 2026
Save £728 GBP (60%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,223 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG536210926 or 536210926. Listed at 5 retailers as of November 4, 2026, with prices from £495 to £1,223, a £728 spread on the same certified stone. MOH London lists it at £1,223. 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
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536210926
Dimensions9.59 × 7.67 × 5.21 mm
L/W Ratio1.25
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
9.59 mm7.67 mm3.11 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536210926
Side View
Table 63.5%Crown 33.6°Girdle: MediumPavilion 37.5°Culet: NoneDepth 67.9%

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 4
Current: £1,223 GBP|Low: £411 GBP|High: £1,242 GBP|Avg: £824 GBP|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 3£495 GBP
Retailer 5£543 GBP
Retailer 4£832 GBP
Retailer 2£1,016 GBP
MOH London£1,223 GBP

13 data points across 5 retailers

5 retailers£495 GBP to £1,223 GBP

B+
Cheapest Retailer
-
£495 GBP
A
Retailer 2
-
£543 GBP
View
A
Retailer 3
-
£832 GBP
View
B+
Retailer 4
-
£1,016 GBP
View
Most Expensive
B+
MOH London
LG536210926 · Nov 5
£1,223 GBP
View
4 more retailers have this diamond
Prices start from £495 GBPSave up to £728 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 Radiant
£495 GBP