Cushion|Lab Grown|IGI

4.06ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG499125835

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG499125835

Diamond specifications and retailer prices

From $1,703 NZD
$958 USD
As of November 1, 2026
Save $7,753 NZD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,455 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG499125835 or 499125835. Listed at 14 retailers as of November 1, 2026, with prices from $1,703 to $9,455, a $7,753 spread on the same certified stone. Brilliant Earth lists it at $9,455. 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

4.06
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499125835
Dimensions9.29 × 8.87 × 5.65 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.29 mm8.87 mm4.06 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499125835
Side View
Table 63.5%Crown 35.5°Girdle: STK-VTKPavilion 31.6°Culet: NoneDepth 63.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,455 NZD|Low: $1,548 NZD|High: $9,740 NZD|Avg: $4,145 NZD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 3$1,703 NZD
Retailer 10$1,765 NZD
Retailer 8$2,079 NZD
Retailer 13$2,357 NZD
Retailer 11$2,435 NZD
Retailer 9$2,838 NZD
Retailer 6$3,760 NZD
Retailer 7$3,782 NZD
Retailer 12$4,875 NZD
Retailer 4$5,571 NZD
Retailer 5$6,121 NZD
Retailer 2$6,616 NZD
Brilliant Earth$9,455 NZD

25 data points across 13 retailers

14 retailers$1,703 NZD to $9,455 NZD

A
Cheapest Retailer
-
$1,703 NZD
$958 USD
Final sale: no returns
Retailer 2
-
$1,765 NZD
$993 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$2,079 NZD
$1,170 USD
View
A
Retailer 4
-
$2,357 NZD
$1,326 USD
View
A
Retailer 5
-
$2,435 NZD
$1,370 USD
View
A
Retailer 6
-
$2,838 NZD
$1,597 USD
View
B+
Retailer 7
-
$3,760 NZD
ZAR 34,181 ZAR
View
B+
Retailer 8
-
$3,782 NZD
A$3,274 AUD
View
B+
Retailer 9
-
$4,875 NZD
£2,160 GBP
View
B
Retailer 10
-
$5,571 NZD
$3,135 USD
View
B
Retailer 11
-
$5,892 NZD
HK$25,900 HKD
View
B
Retailer 12
-
$6,121 NZD
$3,444 USD
View
B
Retailer 13
-
$6,616 NZD
£2,931 GBP
View
Most Expensive
B
Brilliant Earth
17972198A · Nov 2
$9,455 NZD
$5,320 USD
View
13 more retailers have this diamond
Prices start from $1,703 NZDSave up to $7,753 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.

A
4.06ct Cushion
$1,703 NZD