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Cushion|Lab Grown|IGI

4.02ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG592345133

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG592345133

Diamond specifications and retailer prices

From £1,551 GBP
$2,078 USD
As of November 2, 2026
Save £6,072 GBP (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £11,628 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG592345133 or 592345133. Listed at 9 retailers as of October 31, 2026, with a 391% 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
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG592345133
Dimensions9.47 × 9.18 × 6.16 mm
L/W Ratio1.03
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
9.47 mm9.18 mm4.02 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG592345133
Side View
Table 62.0%Crown 32.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 67.1%

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: Nov 2
Current: £11,628 GBP|Low: £1,352 GBP|High: £11,628 GBP|Avg: £4,511 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7£1,551 GBP
Retailer 9£1,893 GBP
Retailer 3£2,135 GBP
Retailer 8£3,061 GBP
Retailer 5£3,245 GBP
Retailer 6£3,888 GBP
Retailer 10£4,129 GBP
Retailer 4£4,637 GBP
Retailer 2£5,796 GBP
Retailer 11£7,623 GBP
Do Amore Diamonds£11,628 GBP

11 data points across 11 retailers

9 retailers£1,551 GBP to £7,623 GBP

A
Cheapest Retailer
-
£1,551 GBP
$2,078 USD
B
Retailer 2
-
£3,061 GBP
$4,102 USD
View
B
Retailer 3
-
£3,245 GBP
CA$6,038 CAD
View
Retailer 4
-
£3,888 GBP
$5,210 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
£4,129 GBP
View
B
Retailer 6
-
£4,637 GBP
A$9,559 AUD
View
B
Retailer 7
-
£5,796 GBP
View
B
Retailer 8
-
£7,623 GBP
$10,213 USD
View
Most Expensive
Do Amore Diamonds
27-620177BEC · Oct 31
£11,628 GBP
$15,580 USD
View
Price under review
8 more retailers have this diamond
Prices start from £1,551 GBPSave up to £6,072 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
£1,551 GBP