Cushion|Lab Grown|IGI

4.02ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG598391373

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG598391373

Diamond specifications and retailer prices

From £988 GBP
$1,324 USD
As of October 31, 2026
Save £4,225 GBP (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £7,463 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.02ct lab-grown cushion diamond

This 4.02ct 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 LG598391373 or 598391373. Listed at 15 retailers as of October 30, 2026, with a 428% 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

4.02
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598391373
Dimensions10.92 × 8.38 × 5.67 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.92 mm8.38 mm4.02 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598391373
Side View
Table 65.0%Crown 30.4°Girdle: MED-VTKPavilion 39.9°Culet: NoneDepth 67.7%

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 31
Current: £7,463 GBP|Low: £855 GBP|High: £7,463 GBP|Avg: £2,917 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 14£988 GBP
Retailer 13£1,191 GBP
Retailer 4£1,197 GBP
Retailer 12£1,370 GBP
Retailer 10£1,841 GBP
Retailer 16£1,850 GBP
Retailer 2£1,939 GBP
Retailer 9£2,914 GBP
Retailer 15£2,936 GBP
Retailer 5£3,310 GBP
Retailer 6£3,608 GBP
Retailer 3£3,613 GBP
Retailer 11£3,931 GBP
Retailer 8£4,828 GBP
Retailer 7£5,213 GBP
Do Amore Diamonds£7,463 GBP

30 data points across 16 retailers

15 retailers£988 GBP to £5,213 GBP

A
Cheapest Retailer
-
£988 GBP
$1,324 USD
A
Retailer 2
-
£1,191 GBP
$1,596 USD
View
A
Retailer 3
-
£1,197 GBP
$1,604 USD
View
Final sale: no returns
A
Retailer 4
-
£1,370 GBP
$1,835 USD
View
B+
Retailer 5
-
£1,841 GBP
€2,349 EUR
View
Retailer 6
-
£1,850 GBP
$2,479 USD
View
Price last confirmed 10 days ago
B+
Retailer 7
-
£1,939 GBP
View
B
Retailer 8
-
£2,914 GBP
ZAR 63,074 ZAR
View
B
Retailer 9
-
£3,310 GBP
View
B
Retailer 10
-
£3,608 GBP
$4,834 USD
View
B
Retailer 11
-
£3,613 GBP
$4,841 USD
View
B
Retailer 12
-
£3,931 GBP
View
B
Retailer 13
-
£4,828 GBP
$6,469 USD
View
B
Retailer 14
-
£5,213 GBP
$6,985 USD
View
Most Expensive
Do Amore Diamonds
31-LGD1019839 · Oct 31
£7,463 GBP
$10,000 USD
View
Price under review
14 more retailers have this diamond
Prices start from £988 GBPSave up to £4,225 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
4.02ct Cushion
£988 GBP