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 $3,676 NZD
As of November 6, 2026
Save $3,918 NZD (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,786 NZD 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: $10,786 NZD|Low: $2,966 NZD|High: $10,786 NZD|Avg: $5,286 NZD
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$3,676 NZD
Retailer 8$3,716 NZD
Retailer 5$3,842 NZD
Retailer 7$3,859 NZD
Retailer 3$5,053 NZD
Retailer 4$6,288 NZD
Retailer 6$7,594 NZD
Michael Trio$10,786 NZD

28 data points across 8 retailers

8 retailers$3,676 NZD to $7,594 NZD

B+
Cheapest Retailer
-
$3,676 NZD
B+
Retailer 2
-
$3,716 NZD
View
B+
Retailer 3
-
$3,842 NZD
View
Retailer 4
-
$3,859 NZD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$5,053 NZD
View
B
Retailer 6
-
$6,288 NZD
View
B
Retailer 7
-
$7,594 NZD
View
Most Expensive
Michael Trio
3519103180 · Nov 6
$10,786 NZD
SGD 8,080 SGD
View
Price under review
7 more retailers have this diamond
Prices start from $3,676 NZDSave up to $3,918 NZD

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
$3,676 NZD