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 HK$30,835 HKD
$3,930 USD
As of November 2, 2026
13 retailers carry this diamond
Most expensive: HK$30,835 HKD 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: HK$30,835 HKD|Low: HK$4,664 HKD|High: HK$30,992 HKD|Avg: HK$13,918 HKD|-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 2HK$4,664 HKD
Retailer 9HK$5,022 HKD
Retailer 18HK$6,434 HKD
Retailer 7HK$8,042 HKD
Retailer 19HK$8,090 HKD
Retailer 16HK$8,560 HKD
Retailer 12HK$8,637 HKD
Retailer 17HK$11,001 HKD
Retailer 5HK$12,546 HKD
Retailer 15HK$16,143 HKD
Retailer 6HK$17,569 HKD
Retailer 3HK$17,793 HKD
Retailer 4HK$17,897 HKD
Retailer 8HK$18,008 HKD
Retailer 10HK$23,842 HKD
Retailer 14HK$24,205 HKD
Retailer 13HK$24,383 HKD
Retailer 11HK$25,021 HKD
Brilliant EarthHK$30,835 HKD

21 data points across 19 retailers

13 retailers

Retailer 1
-
HK$8,560 HKD
$1,091 USD
Price last confirmed 17 days ago
Retailer 2
-
HK$8,637 HKD
£867 GBP
View
Price last confirmed 16 days ago
Retailer 3
-
HK$11,001 HKD
ZAR 22,652 ZAR
View
Price last confirmed 19 days ago
Retailer 4
-
HK$12,546 HKD
$1,599 USD
View
Price last confirmed 14 days ago
Retailer 5
-
HK$16,143 HKD
£1,620 GBP
View
Price last confirmed 17 days ago
Retailer 6
-
HK$17,569 HKD
SGD 3,026 SGD
View
Price last confirmed 16 days ago
Retailer 7
-
HK$17,793 HKD
$2,268 USD
View
Price last confirmed 17 days ago
Retailer 8
-
HK$17,897 HKD
$2,281 USD
View
Price last confirmed 17 days ago
Retailer 9
-
HK$18,008 HKD
$2,295 USD
View
Price last confirmed 17 days ago
Retailer 10
-
HK$23,842 HKD
A$4,675 AUD
View
Price last confirmed 25 days ago
Retailer 11
-
HK$24,205 HKD
$3,085 USD
View
Price last confirmed 19 days ago
Retailer 12
-
HK$24,383 HKD
£2,447 GBP
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
21808162AB · Nov 2
HK$30,835 HKD
$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
HK$30,835 HKD