CaratHunter
Plans
Cushion|Lab Grown|IGI

4.01ct J VS2 Cushion Lab Grown Diamond

ID • J/VS2 • IGI LG830646770

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG830646770

Diamond specifications and retailer prices

From $2,966 AUD
As of November 6, 2026
Save $3,161 AUD (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,702 AUD at Michael Trio · As of November 6, 2026
View at Michael Trio

About this 4.01ct lab-grown cushion diamond

This 4.01ct 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 LG830646770 or 830646770. Listed at 8 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

4.01
Carat
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830646770
Dimensions11.69 × 8.10 × 5.16 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.69 mm8.10 mm4.01 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830646770
Side View
Table 47.0%Crown 37.6°Girdle: STK-VTKPavilion 35.8°Culet: LargeDepth 63.7%

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: $8,702 AUD|Low: $2,393 AUD|High: $8,702 AUD|Avg: $4,264 AUD
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$2,966 AUD
Retailer 8$2,998 AUD
Retailer 5$3,100 AUD
Retailer 7$3,113 AUD
Retailer 3$4,077 AUD
Retailer 4$5,074 AUD
Retailer 6$6,127 AUD
Michael Trio$8,702 AUD

28 data points across 8 retailers

8 retailers$2,966 AUD to $6,127 AUD

B+
Cheapest Retailer
-
$2,966 AUD
B+
Retailer 2
-
$2,998 AUD
View
B+
Retailer 3
-
$3,100 AUD
View
Retailer 4
-
$3,113 AUD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$4,077 AUD
View
B
Retailer 6
-
$5,074 AUD
View
B
Retailer 7
-
$6,127 AUD
View
Most Expensive
Michael Trio
3519103180 · Nov 6
$8,702 AUD
SGD 8,080 SGD
View
Price under review
7 more retailers have this diamond
Prices start from $2,966 AUDSave up to $3,161 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+
4.01ct Cushion
$2,966 AUD