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Radiant|Lab Grown|IGI

3.11ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG837614033

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

Certificate IGI LG837614033

Diamond specifications and retailer prices

From £683 GBP
$915 USD
As of October 29, 2026
Save £3,742 GBP (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,425 GBP at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837614033 or 837614033. Listed at 9 retailers as of October 29, 2026, with prices from £683 to £4,425, a £3,742 spread on the same certified stone. Frank Darling lists it at £4,425. 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
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837614033
Dimensions11.05 × 6.97 × 4.49 mm
L/W Ratio1.59
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.05 mm6.97 mm3.11 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837614033
Side View
Table 66.0%Crown 40.4°Girdle: Slightly ThickPavilion 35.5°Culet: NoneDepth 64.4%

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: Oct 29
Current: £4,425 GBP|Low: £458 GBP|High: £4,425 GBP|Avg: £1,520 GBP
Frank Darling
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October 30, 2026
Retailer 17£458 GBP
Retailer 10£683 GBP
Retailer 2£709 GBP
Retailer 13£781 GBP
Retailer 16£791 GBP
Retailer 7£825 GBP
Retailer 9£1,153 GBP
Retailer 6£1,396 GBP
Retailer 14£1,471 GBP
Retailer 5£1,722 GBP
Retailer 8£1,730 GBP
Retailer 3£2,109 GBP
Retailer 4£2,145 GBP
Retailer 11£2,407 GBP
Retailer 15£2,720 GBP
Retailer 12£4,224 GBP
Frank Darling£4,425 GBP

23 data points across 17 retailers

9 retailers£683 GBP to £4,425 GBP

A
Cheapest Retailer
-
£683 GBP
$915 USD
A
Retailer 2
-
£709 GBP
View
A
Retailer 3
-
£781 GBP
$1,046 USD
View
B+
Retailer 4
-
£1,471 GBP
$1,971 USD
View
Retailer 5
-
£2,145 GBP
A$4,422 AUD
View
Price last confirmed 31 days ago
B
Retailer 6
-
£2,407 GBP
View
Retailer 7
-
£2,720 GBP
$3,645 USD
View
Price last confirmed 25 days ago
B
Retailer 8
-
£4,224 GBP
$5,660 USD
View
Most Expensive
B
Frank Darling
934536BD · Oct 29
£4,425 GBP
$5,929 USD
View
8 more retailers have this diamond
Prices start from £683 GBPSave up to £3,742 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
£683 GBP