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Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG837637820

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG837637820

Diamond specifications and retailer prices

From $1,462 USD
As of November 1, 2026
Save $6,558 USD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,020 USD at Brilliant Earth · As of October 30, 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 top-tier cut grade and certified by IGI LG837637820 or 837637820. Listed at 14 retailers as of October 30, 2026, with prices from $1,462 to $8,020, a $6,558 spread on the same certified stone. Brilliant Earth lists it at $8,020. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837637820
Dimensions11.13 × 8.53 × 5.50 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.13 mm8.53 mm4.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837637820
Side View
Table 49.0%Crown 36.5°Girdle: STK-THKPavilion 40.1°Culet: LargeDepth 64.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $8,020 USD|Low: $1,462 USD|High: $8,020 USD|Avg: $3,011 USD
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
November 2, 2026
Retailer 14$1,462 USD
Retailer 13$1,685 USD
Retailer 4$1,754 USD
Retailer 6$1,846 USD
Retailer 7$2,135 USD
Retailer 2$2,397 USD
Retailer 9$2,415 USD
Retailer 10$3,224 USD
Retailer 11$3,251 USD
Retailer 8$4,347 USD
Retailer 12$4,503 USD
Retailer 3$5,071 USD
Retailer 5$5,319 USD
Brilliant Earth$8,020 USD

31 data points across 14 retailers

14 retailers$1,462 USD to $8,020 USD

A
Cheapest Retailer
-
$1,462 USD
Final sale: no returns
A
Retailer 2
-
$1,685 USD
View
B+
Retailer 3
-
$1,754 USD
HK$13,700 HKD
View
B+
Retailer 4
-
$1,846 USD
View
B+
Retailer 5
-
$2,135 USD
£1,681 GBP
View
B+
Retailer 6
-
$2,397 USD
View
B+
Retailer 7
-
$2,415 USD
€2,300 EUR
View
B
Retailer 8
-
$3,224 USD
ZAR 52,087 ZAR
View
Retailer 9
-
$3,251 USD
A$5,001 AUD
View
Price last confirmed 10 days ago
B
Retailer 10
-
$4,347 USD
View
B
Retailer 11
-
$4,503 USD
View
B
Retailer 12
-
$5,071 USD
SGD 6,853 SGD
View
B
Retailer 13
-
$5,319 USD
View
Most Expensive
B
Brilliant Earth
22337186A · Oct 30
$8,020 USD
View
13 more retailers have this diamond
Prices start from $1,462 USDSave up to $6,558 USD

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
$1,462 USD