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Cushion|Lab Grown|IGI

4.00ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG800622844

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG800622844

Diamond specifications and retailer prices

From £654 GBP
$876 USD
As of October 29, 2026
Save £1,688 GBP (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,553 GBP at MOH London · As of October 19, 2026
View at MOH London

About this 4ct lab-grown cushion diamond

This 4ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800622844 or 800622844. Listed at 12 retailers as of October 29, 2026, with a 258% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.00
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle43.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800622844
Dimensions10.92 × 8.11 × 5.52 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.92 mm8.11 mm4.00 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800622844
Side View
Table 55.0%Crown 40.2°Girdle: STK-THKPavilion 43.1°Culet: NoneDepth 68.1%

Caratlytics Score

How it works →
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: £2,553 GBP|Low: £466 GBP|High: £2,574 GBP|Avg: £1,428 GBP|+0.5%
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
October 30, 2026
Retailer 13£654 GBP
Retailer 8£678 GBP
Retailer 9£817 GBP
Retailer 12£984 GBP
Retailer 2£1,039 GBP
Retailer 11£1,094 GBP
Retailer 4£1,167 GBP
Retailer 6£1,442 GBP
Retailer 7£1,450 GBP
Retailer 5£1,808 GBP
Retailer 10£2,290 GBP
Retailer 3£2,342 GBP
MOH London£2,553 GBP

40 data points across 13 retailers

12 retailers£654 GBP to £2,342 GBP

A
Cheapest Retailer
-
£654 GBP
$876 USD
Final sale: no returns
Retailer 2
-
£678 GBP
$908 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
£817 GBP
$1,095 USD
View
A
Retailer 4
-
£984 GBP
$1,318 USD
View
A
Retailer 5
-
£1,039 GBP
View
A
Retailer 6
-
£1,094 GBP
$1,466 USD
View
A
Retailer 7
-
£1,167 GBP
$1,564 USD
View
B+
Retailer 8
-
£1,442 GBP
ZAR 31,218 ZAR
View
Retailer 9
-
£1,450 GBP
A$2,990 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
£2,290 GBP
$3,069 USD
View
B
Retailer 11
-
£2,342 GBP
$3,138 USD
View
Most Expensive
MOH London
LG800622844 · Oct 19
£2,553 GBP
View
Price last confirmed 11 days ago
11 more retailers have this diamond
Prices start from £654 GBPSave up to £1,688 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
4.00ct Cushion
£654 GBP