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Cushion|Lab Grown|IGI

3.71ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG800615180

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800615180

Diamond specifications and retailer prices

From £870 GBP
As of November 2, 2026
Save £1,957 GBP (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,828 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.71ct lab-grown cushion diamond

This 3.71ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800615180 or 800615180. Listed at 13 retailers as of October 29, 2026, with prices from £870 to £2,828, a £1,957 spread on the same certified stone. MOH London lists it at £2,828. 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

3.71
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800615180
Dimensions11.42 × 7.34 × 5.02 mm
L/W Ratio1.56
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.42 mm7.34 mm3.71 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800615180
Side View
Table 66.0%Crown 39.8°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 68.4%

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: Nov 2
Current: £2,828 GBP|Low: £750 GBP|High: £2,850 GBP|Avg: £1,757 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 12£750 GBP
Retailer 2£870 GBP
Retailer 8£879 GBP
Retailer 10£1,073 GBP
Retailer 6£1,154 GBP
Retailer 7£1,694 GBP
Retailer 9£1,742 GBP
Retailer 13£1,879 GBP
Retailer 3£2,067 GBP
Retailer 11£2,347 GBP
Retailer 4£2,522 GBP
Retailer 5£2,603 GBP
MOH London£2,828 GBP

39 data points across 13 retailers

13 retailers£870 GBP to £2,828 GBP

Retailer 1
-
£750 GBP
$1,007 USD
Price last confirmed 16 days ago
A
Retailer 2
-
£870 GBP
View
A
Retailer 3
-
£879 GBP
$1,180 USD
View
A
Retailer 4
-
£1,073 GBP
$1,440 USD
View
A
Retailer 5
-
£1,154 GBP
View
B+
Retailer 6
-
£1,694 GBP
A$3,498 AUD
View
B+
Retailer 7
-
£1,742 GBP
ZAR 37,767 ZAR
View
B+
Retailer 8
-
£1,879 GBP
$2,521 USD
View
B+
Retailer 9
-
£2,067 GBP
View
B
Retailer 10
-
£2,347 GBP
$3,150 USD
View
B
Retailer 11
-
£2,522 GBP
SGD 4,574 SGD
View
B
Retailer 12
-
£2,603 GBP
$3,493 USD
View
Most Expensive
B
MOH London
LG800615180 · Oct 29
£2,828 GBP
View
12 more retailers have this diamond
Prices start from £870 GBPSave up to £1,957 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
3.71ct Cushion
£870 GBP