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Radiant|Lab Grown|IGI

3.11ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG583333914

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

Certificate IGI LG583333914

Diamond specifications and retailer prices

From £1,100 GBP
As of October 31, 2026
Save £77 GBP (7%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,177 GBP at B2C Jewels · As of October 30, 2026
View at B2C Jewels

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 LG583333914 or 583333914. Listed at 2 retailers as of October 30, 2026, with a relatively tight 7% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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 angle41.2°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG583333914
Dimensions10.70 × 7.13 × 4.66 mm
L/W Ratio1.50
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
10.70 mm7.13 mm3.11 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG583333914
Side View
Table 66.0%Crown 41.2°Girdle: MediumPavilion 35.2°Culet: NoneDepth 65.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: £1,177 GBP|Low: £477 GBP|High: £2,717 GBP|Avg: £1,431 GBP|-18.3%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 23, 2026
Retailer 2£483 GBP
Retailer 3£597 GBP
Retailer 6£858 GBP
Retailer 5£955 GBP
Retailer 7£1,092 GBP
B2C Jewels£1,177 GBP
Retailer 4£1,473 GBP
Retailer 8£2,508 GBP

39 data points across 8 retailers

2 retailers£1,100 GBP to £1,177 GBP

B+
Cheapest Retailer
-
£1,100 GBP
Most Expensive
B+
B2C Jewels
21566811 · Oct 30
£1,177 GBP
$1,577 USD
View
1 more retailer has this diamond
Prices start from £1,100 GBPSave up to £77 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.

B+
3.11ct Radiant
£1,100 GBP