Cushion|Lab Grown|IGI

4.02ct J VS2 Cushion Lab Grown Diamond

ID • J/VS2 • IGI LG831608354

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG831608354

Diamond specifications and retailer prices

From €1,620 EUR
$1,810 USD
As of October 31, 2026
Save €2,157 EUR (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €6,181 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.02ct lab-grown cushion diamond

This 4.02ct lab-grown cushion sits in the three to five carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831608354 or 831608354. Listed at 11 retailers as of October 30, 2026, with a 133% 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
J
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831608354
Dimensions11.31 × 8.08 × 5.40 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.31 mm8.08 mm4.02 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831608354
Side View
Table 53.0%Crown 37.7°Girdle: STK-THKPavilion 38.9°Culet: LargeDepth 66.8%

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: €2,525 EUR|Low: €1,476 EUR|High: €6,724 EUR|Avg: €3,264 EUR|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 31, 2026
Retailer 4€1,620 EUR
Retailer 2€1,856 EUR
Retailer 5€1,911 EUR
Retailer 9€1,919 EUR
Retailer 3€2,036 EUR
Retailer 7€2,293 EUR
Retailer 1€2,525 EUR
Retailer 6€3,777 EUR
Retailer 10€5,362 EUR
Retailer 8€5,488 EUR
Taylor and Hart€6,181 EUR

29 data points across 11 retailers

11 retailers€1,620 EUR to €3,777 EUR

A
Cheapest Retailer
-
€1,620 EUR
$1,810 USD
B+
Retailer 2
-
€1,856 EUR
HK$16,200 HKD
View
B+
Retailer 3
-
€1,911 EUR
$2,135 USD
View
Retailer 4
-
€1,919 EUR
$2,144 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
€2,036 EUR
$2,275 USD
View
B
Retailer 6
-
€2,293 EUR
$2,562 USD
View
B
Retailer 7
-
€2,525 EUR
View
B
Retailer 8
-
€3,777 EUR
$4,220 USD
View
Retailer 9
-
€5,362 EUR
SGD 8,095 SGD
View
Price under review
Retailer 10
-
€5,488 EUR
£4,828 GBP
View
Price under review
Most Expensive
Taylor and Hart
JB2NUKJ · Oct 31
€6,181 EUR
$6,905 USD
View
Price under review
10 more retailers have this diamond
Prices start from €1,620 EURSave up to €2,157 EUR

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
€1,620 EUR