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 $1,810 USD
As of October 31, 2026
Save $2,410 USD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,905 USD 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: $2,821 USD|Low: $1,649 USD|High: $7,512 USD|Avg: $3,646 USD|+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$1,810 USD
Retailer 2$2,074 USD
Retailer 5$2,135 USD
Retailer 9$2,144 USD
Retailer 3$2,275 USD
Retailer 7$2,562 USD
Retailer 1$2,821 USD
Retailer 6$4,220 USD
Retailer 10$5,990 USD
Retailer 8$6,132 USD
Taylor and Hart$6,905 USD

29 data points across 11 retailers

11 retailers$1,810 USD to $4,220 USD

A
Cheapest Retailer
-
$1,810 USD
B+
Retailer 2
-
$2,074 USD
HK$16,200 HKD
View
B+
Retailer 3
-
$2,135 USD
View
Retailer 4
-
$2,144 USD
View
Price last confirmed 19 days ago
B+
Retailer 5
-
$2,275 USD
View
B
Retailer 6
-
$2,562 USD
View
B
Retailer 7
-
$2,821 USD
€2,687 EUR
View
B
Retailer 8
-
$4,220 USD
View
Retailer 9
-
$5,990 USD
SGD 8,095 SGD
View
Price under review
Retailer 10
-
$6,132 USD
£4,828 GBP
View
Price under review
Most Expensive
Taylor and Hart
JB2NUKJ · Oct 31
$6,905 USD
View
Price under review
10 more retailers have this diamond
Prices start from $1,810 USDSave up to $2,410 USD

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
$1,810 USD