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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 $2,973 AUD
As of November 6, 2026
Save $3,168 AUD (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,374 AUD at Taylor and Hart · As of November 6, 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 November 6, 2026, with a 107% 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
Colour
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 →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,973 AUD|Low: $2,400 AUD|High: $11,374 AUD|Avg: $5,290 AUD|+23.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 6, 2026
Retailer 1$2,973 AUD
Retailer 2$3,017 AUD
Retailer 7$3,107 AUD
Retailer 9$3,120 AUD
Retailer 6$3,311 AUD
Retailer 3$4,085 AUD
Retailer 4$5,087 AUD
Retailer 8$6,142 AUD
Retailer 5$8,178 AUD
Retailer 10$8,718 AUD
Taylor and Hart$11,374 AUD

33 data points across 11 retailers

11 retailers$2,973 AUD to $6,142 AUD

B+
Cheapest Retailer
-
$2,973 AUD
B+
Retailer 2
-
$3,017 AUD
View
B+
Retailer 3
-
$3,107 AUD
View
Retailer 4
-
$3,120 AUD
View
Price last confirmed 25 days ago
Retailer 5
-
$3,311 AUD
View
Price last confirmed 7 days ago
B
Retailer 6
-
$4,085 AUD
View
B
Retailer 7
-
$5,087 AUD
View
B
Retailer 8
-
$6,142 AUD
View
Retailer 9
-
$8,178 AUD
View
Price under review
Retailer 10
-
$8,718 AUD
View
Price under review
Most Expensive
Taylor and Hart
JB2NUKJ · Nov 6
$11,374 AUD
$7,815 USD
View
Price under review
10 more retailers have this diamond
Prices start from $2,973 AUDSave up to $3,168 AUD

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.

B+
4.02ct Cushion
$2,973 AUD