Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG840612367

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840612367

Diamond specifications and retailer prices

From $1,077 NZD
£477 GBP
As of October 27, 2026
Save $7,969 NZD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,046 NZD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG840612367 or 840612367. Listed at 20 retailers as of October 27, 2026, with prices from $1,077 to $9,046, a $7,969 spread on the same certified stone. Brilliant Earth lists it at $9,046. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.09
Carat
F
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840612367
Dimensions11.25 × 7.96 × 5.38 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.25 mm7.96 mm4.09 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840612367
Side View
Table 63.0%Crown 34.8°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 67.6%

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 27
Current: $9,046 NZD|Low: $1,073 NZD|High: $10,326 NZD|Avg: $3,472 NZD|-12.4%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 19$1,077 NZD
Retailer 11$1,159 NZD
Retailer 16$1,342 NZD
Retailer 18$1,484 NZD
Retailer 13$1,792 NZD
Retailer 5$1,847 NZD
Retailer 7$1,978 NZD
Retailer 20$1,998 NZD
Retailer 3$2,537 NZD
Retailer 2$2,787 NZD
Retailer 6$2,851 NZD
Retailer 4$3,738 NZD
Retailer 15$3,897 NZD
Retailer 8$4,097 NZD
Retailer 9$4,104 NZD
Retailer 10$4,164 NZD
Retailer 12$5,401 NZD
Retailer 17$5,415 NZD
Retailer 14$5,483 NZD
Retailer 21$5,591 NZD
Brilliant Earth$9,046 NZD

31 data points across 21 retailers

20 retailers$1,077 NZD to $9,046 NZD

A
Cheapest Retailer
-
$1,077 NZD
£477 GBP
A
Retailer 2
-
$1,342 NZD
HK$5,900 HKD
View
Retailer 3
-
$1,484 NZD
$835 USD
View
Price last confirmed 5 days ago
A
Retailer 4
-
$1,792 NZD
€960 EUR
View
Retailer 5
-
$1,847 NZD
$1,039 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$1,978 NZD
$1,113 USD
View
Price last confirmed 6 days ago
A
Retailer 7
-
$1,998 NZD
£885 GBP
View
Retailer 8
-
$2,537 NZD
ZAR 23,060 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$2,787 NZD
$1,568 USD
View
A
Retailer 10
-
$2,851 NZD
$1,604 USD
View
Retailer 11
-
$3,738 NZD
£1,656 GBP
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$3,897 NZD
SGD 2,963 SGD
View
Retailer 13
-
$4,097 NZD
$2,305 USD
View
Price last confirmed 8 days ago
Retailer 14
-
$4,104 NZD
$2,309 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$4,164 NZD
$2,343 USD
View
Retailer 16
-
$5,401 NZD
A$4,675 AUD
View
Price last confirmed 25 days ago
B
Retailer 17
-
$5,415 NZD
$3,047 USD
View
Retailer 18
-
$5,483 NZD
$3,085 USD
View
Price last confirmed 18 days ago
B
Retailer 19
-
$5,591 NZD
£2,477 GBP
View
Most Expensive
B
Brilliant Earth
21808374A · Nov 2
$9,046 NZD
$5,090 USD
View
19 more retailers have this diamond
Prices start from $1,077 NZDSave up to $7,969 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
$1,077 NZD