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Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

VG • F/VS1 • IGI LG837675200

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837675200

Diamond specifications and retailer prices

From $6,985 NZD
$3,930 USD
As of November 2, 2026
13 retailers carry this diamond
Most expensive: $6,985 NZD at Brilliant Earth
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 LG837675200 or 837675200. Listed at 13 retailers as of November 2, 2026. 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 angle36.4°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837675200
Dimensions11.48 × 8.27 × 5.03 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.48 mm8.27 mm4.09 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837675200
Side View
Table 66.0%Crown 36.4°Girdle: MED-THKPavilion 33.6°Culet: NoneDepth 60.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $6,985 NZD|Low: $1,056 NZD|High: $7,020 NZD|Avg: $3,153 NZD|-0.5%
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
October 26, 2026
Retailer 2$1,056 NZD
Retailer 9$1,137 NZD
Retailer 18$1,457 NZD
Retailer 7$1,822 NZD
Retailer 19$1,833 NZD
Retailer 16$1,939 NZD
Retailer 12$1,957 NZD
Retailer 17$2,492 NZD
Retailer 5$2,842 NZD
Retailer 15$3,657 NZD
Retailer 6$3,980 NZD
Retailer 3$4,030 NZD
Retailer 4$4,054 NZD
Retailer 8$4,079 NZD
Retailer 10$5,401 NZD
Retailer 14$5,483 NZD
Retailer 13$5,523 NZD
Retailer 11$5,668 NZD
Brilliant Earth$6,985 NZD

21 data points across 19 retailers

13 retailers

Retailer 1
-
$1,939 NZD
$1,091 USD
Price last confirmed 17 days ago
Retailer 2
-
$1,957 NZD
£867 GBP
View
Price last confirmed 16 days ago
Retailer 3
-
$2,492 NZD
ZAR 22,652 ZAR
View
Price last confirmed 19 days ago
Retailer 4
-
$2,842 NZD
$1,599 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$3,657 NZD
£1,620 GBP
View
Price last confirmed 17 days ago
Retailer 6
-
$3,980 NZD
SGD 3,026 SGD
View
Price last confirmed 16 days ago
Retailer 7
-
$4,030 NZD
$2,268 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$4,054 NZD
$2,281 USD
View
Price last confirmed 17 days ago
Retailer 9
-
$4,079 NZD
$2,295 USD
View
Price last confirmed 17 days ago
Retailer 10
-
$5,401 NZD
A$4,675 AUD
View
Price last confirmed 25 days ago
Retailer 11
-
$5,483 NZD
$3,085 USD
View
Price last confirmed 19 days ago
Retailer 12
-
$5,523 NZD
£2,447 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
21808162AB · Nov 2
$6,985 NZD
$3,930 USD
View
12 more retailers have this diamond

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
4.09ct Cushion
$6,985 NZD