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Cushion|Lab Grown|IGI

3.11ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG837601690

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837601690

Diamond specifications and retailer prices

From £720 GBP
As of October 30, 2026
Save £2,318 GBP (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,038 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion 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 LG837601690 or 837601690. Listed at 9 retailers as of October 30, 2026, with prices from £720 to £3,038, a £2,318 spread on the same certified stone. With Clarity lists it at £3,038. 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 angle35.5°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837601690
Dimensions10.61 × 7.37 × 4.95 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.61 mm7.37 mm3.11 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837601690
Side View
Table 60.0%Crown 35.5°Girdle: MED-THKPavilion 35°Culet: NoneDepth 67.2%

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: Oct 30
Current: £720 GBP|Low: £717 GBP|High: £2,977 GBP|Avg: £1,704 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 30, 2026
Retailer 1£720 GBP
Retailer 7£901 GBP
Retailer 2£980 GBP
Retailer 4£1,396 GBP
Retailer 6£1,987 GBP
Retailer 5£1,989 GBP
Retailer 3£2,442 GBP
With Clarity£2,977 GBP

31 data points across 8 retailers

9 retailers£720 GBP to £3,038 GBP

A
Cheapest Retailer
-
£720 GBP
A
Retailer 2
-
£901 GBP
$1,207 USD
View
A
Retailer 3
-
£980 GBP
€1,251 EUR
View
Retailer 4
-
£1,396 GBP
A$2,877 AUD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£1,987 GBP
$2,663 USD
View
B
Retailer 6
-
£1,989 GBP
$2,665 USD
View
B+
Retailer 7
-
£2,442 GBP
View
B
Retailer 8
-
£2,668 GBP
$3,575 USD
View
Most Expensive
B
With Clarity
837601690 · Oct 30
£3,038 GBP
$4,070 USD
View
8 more retailers have this diamond
Prices start from £720 GBPSave up to £2,318 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 Cushion
£720 GBP