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Radiant|Lab Grown|IGI

3.11ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG566302986

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG566302986

Diamond specifications and retailer prices

From £267 GBP
$358 USD
As of October 30, 2026
Save £1,032 GBP (79%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,299 GBP at MOH London · As of October 29, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG566302986 or 566302986. Listed at 19 retailers as of October 29, 2026, with prices from £267 to £1,299, a £1,032 spread on the same certified stone. MOH London lists it at £1,299. 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
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566302986
Dimensions9.30 × 7.30 × 4.96 mm
L/W Ratio1.27
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 mm7.30 mm3.11 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566302986
Side View
Table 65.0%Crown 45°Girdle: MediumPavilion 31.3°Culet: NoneDepth 67.9%

Caratlytics Score

How it works →
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 30
Current: £1,299 GBP|Low: £213 GBP|High: £1,308 GBP|Avg: £665 GBP|+0.5%
MOH London
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Retailer 19
October 30, 2026
Retailer 17£267 GBP
Retailer 7£299 GBP
Retailer 4£310 GBP
Retailer 5£331 GBP
Retailer 18£331 GBP
Retailer 11£363 GBP
Retailer 2£379 GBP
Retailer 14£444 GBP
Retailer 15£510 GBP
Retailer 3£531 GBP
Retailer 6£569 GBP
Retailer 12£700 GBP
Retailer 13£718 GBP
Retailer 10£737 GBP
Retailer 16£970 GBP
Retailer 19£1,064 GBP
Retailer 9£1,182 GBP
Retailer 8£1,285 GBP
MOH London£1,299 GBP

34 data points across 19 retailers

19 retailers£267 GBP to £1,299 GBP

A
Cheapest Retailer
-
£267 GBP
$358 USD
A
Retailer 2
-
£299 GBP
$400 USD
View
Final sale: no returns
A
Retailer 3
-
£310 GBP
$415 USD
View
A
Retailer 4
-
£331 GBP
$443 USD
View
A
Retailer 5
-
£331 GBP
$443 USD
View
A
Retailer 6
-
£363 GBP
HK$3,800 HKD
View
A
Retailer 7
-
£379 GBP
View
A
Retailer 8
-
£444 GBP
$595 USD
View
Retailer 9
-
£510 GBP
€651 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£531 GBP
$711 USD
View
A
Retailer 11
-
£569 GBP
$762 USD
View
A
Retailer 12
-
£700 GBP
A$1,442 AUD
View
A
Retailer 13
-
£718 GBP
ZAR 15,547 ZAR
View
A
Retailer 14
-
£737 GBP
$988 USD
View
B+
Retailer 15
-
£970 GBP
$1,300 USD
View
B+
Retailer 16
-
£1,064 GBP
$1,425 USD
View
B+
Retailer 17
-
£1,182 GBP
$1,584 USD
View
B+
Retailer 18
-
£1,285 GBP
View
Most Expensive
B+
MOH London
LG566302986 · Oct 29
£1,299 GBP
View
18 more retailers have this diamond
Prices start from £267 GBPSave up to £1,032 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
£267 GBP