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Cushion|Lab Grown|IGI

3.10ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG811639803

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG811639803

Diamond specifications and retailer prices

From £423 GBP
$567 USD
As of October 29, 2026
Save £1,854 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,277 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811639803 or 811639803. Listed at 17 retailers as of October 29, 2026, with prices from £423 to £2,277, a £1,854 spread on the same certified stone. MOH London lists it at £2,277. 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

3.10
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811639803
Dimensions8.86 × 8.72 × 5.21 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.86 mm8.72 mm3.10 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811639803
Side View
Table 59.0%Crown 38°Girdle: MED-STKPavilion 40°Culet: LargeDepth 59.7%

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 29
Current: £2,277 GBP|Low: £334 GBP|High: £2,289 GBP|Avg: £1,083 GBP|-0.5%
MOH London
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
November 1, 2026
Retailer 14£423 GBP
Retailer 11£473 GBP
Retailer 9£474 GBP
Retailer 16£525 GBP
Retailer 15£623 GBP
Retailer 5£808 GBP
Retailer 2£812 GBP
Retailer 10£835 GBP
Retailer 4£1,001 GBP
Retailer 13£1,108 GBP
Retailer 17£1,115 GBP
Retailer 12£1,302 GBP
Retailer 6£1,379 GBP
Retailer 3£1,689 GBP
Retailer 8£1,700 GBP
Retailer 7£1,764 GBP
MOH London£2,277 GBP

9 data points across 17 retailers

17 retailers£423 GBP to £2,277 GBP

A
Cheapest Retailer
-
£423 GBP
$567 USD
A
Retailer 2
-
£473 GBP
$634 USD
View
Final sale: no returns
A
Retailer 3
-
£474 GBP
$635 USD
View
A
Retailer 4
-
£525 GBP
$703 USD
View
A
Retailer 5
-
£623 GBP
$835 USD
View
A
Retailer 6
-
£808 GBP
$1,082 USD
View
A
Retailer 7
-
£812 GBP
View
A
Retailer 8
-
£835 GBP
€1,065 EUR
View
A
Retailer 9
-
£1,001 GBP
$1,341 USD
View
A
Retailer 10
-
£1,108 GBP
A$2,283 AUD
View
A
Retailer 11
-
£1,115 GBP
A$2,298 AUD
View
B+
Retailer 12
-
£1,302 GBP
$1,744 USD
View
B+
Retailer 13
-
£1,379 GBP
$1,848 USD
View
B+
Retailer 14
-
£1,689 GBP
$2,263 USD
View
B+
Retailer 15
-
£1,700 GBP
$2,278 USD
View
B+
Retailer 16
-
£1,764 GBP
$2,364 USD
View
Most Expensive
B
MOH London
LG811639803 · Nov 1
£2,277 GBP
View
16 more retailers have this diamond
Prices start from £423 GBPSave up to £1,854 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
3.10ct Cushion
£423 GBP