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Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG833631311

Shape and cutting style on the report: Rectangular cushion mixed cut

Certificate IGI LG833631311

Diamond specifications and retailer prices

From $1,842 NZD
$1,038 USD
As of October 31, 2026
Save $4,531 NZD (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,373 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833631311 or 833631311. Listed at 14 retailers as of October 31, 2026, with prices from $1,842 to $6,373, a $4,531 spread on the same certified stone. MOH London lists it at $6,373. 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

4.09
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833631311
Dimensions11.47 × 7.84 × 4.78 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.47 mm7.84 mm4.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833631311
Side View
Table 55.0%Crown 32.4°Girdle: STK-VTKPavilion 42.1°Culet: LargeDepth 61.0%

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: Oct 31
Current: $6,373 NZD|Low: $1,684 NZD|High: $22,330 NZD|Avg: $5,746 NZD|-61.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 6$1,684 NZD
Retailer 5$1,842 NZD
Retailer 11$2,049 NZD
Retailer 2$2,589 NZD
Retailer 13$2,740 NZD
Retailer 8$2,787 NZD
Retailer 12$2,990 NZD
Retailer 10$3,619 NZD
Retailer 9$3,643 NZD
Retailer 3$3,731 NZD
Retailer 14$5,279 NZD
Retailer 15$5,399 NZD
Retailer 4$5,888 NZD
MOH London$6,373 NZD
Retailer 7$11,059 NZD

27 data points across 15 retailers

14 retailers$1,842 NZD to $6,373 NZD

Retailer 1
-
$1,684 NZD
$949 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$1,842 NZD
$1,038 USD
View
Final sale: no returns
A
Retailer 3
-
$2,049 NZD
$1,155 USD
View
A
Retailer 4
-
$2,589 NZD
£1,149 GBP
View
A
Retailer 5
-
$2,740 NZD
$1,544 USD
View
A
Retailer 6
-
$2,787 NZD
€1,496 EUR
View
B+
Retailer 7
-
$2,990 NZD
$1,685 USD
View
B+
Retailer 8
-
$3,619 NZD
ZAR 32,950 ZAR
View
B+
Retailer 9
-
$3,643 NZD
A$3,159 AUD
View
B+
Retailer 10
-
$3,731 NZD
$2,103 USD
View
B
Retailer 11
-
$5,279 NZD
$2,975 USD
View
B
Retailer 12
-
$5,399 NZD
$3,043 USD
View
B
Retailer 13
-
$5,888 NZD
$3,319 USD
View
Most Expensive
B
MOH London
LG833631311 · Nov 1
$6,373 NZD
£2,828 GBP
View
13 more retailers have this diamond
Prices start from $1,842 NZDSave up to $4,531 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
4.09ct Cushion
$1,842 NZD