Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG835610851

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835610851

Diamond specifications and retailer prices

From $717 SGD
£442 GBP
As of October 27, 2026
Save $4,805 SGD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,523 SGD at Brilliant Earth · As of October 28, 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 LG835610851 or 835610851. Listed at 21 retailers as of October 27, 2026, with prices from $717 to $5,523, a $4,805 spread on the same certified stone. Brilliant Earth lists it at $5,523. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835610851
Dimensions10.69 × 8.23 × 5.40 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.69 mm8.23 mm4.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835610851
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 33°Culet: NoneDepth 65.6%

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: $5,523 SGD|Low: $715 SGD|High: $7,990 SGD|Avg: $2,435 SGD|-30.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
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Retailer 21
October 28, 2026
Retailer 17$717 SGD
Retailer 7$773 SGD
Retailer 3$933 SGD
Retailer 15$1,029 SGD
Retailer 16$1,246 SGD
Retailer 8$1,267 SGD
Retailer 9$1,323 SGD
Retailer 18$1,326 SGD
Retailer 21$1,690 SGD
Retailer 20$1,730 SGD
Retailer 6$1,918 SGD
Retailer 4$2,031 SGD
Retailer 13$2,676 SGD
Retailer 5$2,759 SGD
Retailer 10$2,779 SGD
Retailer 11$2,781 SGD
Retailer 19$3,580 SGD
Retailer 2$3,715 SGD
Retailer 14$3,885 SGD
Retailer 12$3,937 SGD
Brilliant Earth$5,523 SGD

25 data points across 21 retailers

21 retailers$717 SGD to $5,523 SGD

A
Cheapest Retailer
-
$717 SGD
£442 GBP
A
Retailer 2
-
$933 SGD
HK$5,700 HKD
View
Retailer 3
-
$1,029 SGD
$805 USD
View
Price last confirmed 5 days ago
A
Retailer 4
-
$1,246 SGD
€928 EUR
View
A
Retailer 5
-
$1,267 SGD
$991 USD
View
B+
Retailer 6
-
$1,323 SGD
$1,035 USD
View
A
Retailer 7
-
$1,326 SGD
£817 GBP
View
Retailer 8
-
$1,690 SGD
ZAR 21,352 ZAR
View
Price last confirmed 9 days ago
Retailer 9
-
$1,730 SGD
A$2,082 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$1,918 SGD
$1,500 USD
View
Price last confirmed 7 days ago
A
Retailer 11
-
$2,031 SGD
$1,589 USD
View
B+
Retailer 12
-
$2,676 SGD
View
Retailer 13
-
$2,728 SGD
£1,680 GBP
View
Price last confirmed 24 days ago
B+
Retailer 14
-
$2,759 SGD
$2,158 USD
View
Retailer 15
-
$2,779 SGD
$2,174 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$2,781 SGD
$2,176 USD
View
Retailer 17
-
$3,580 SGD
£2,205 GBP
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$3,715 SGD
$2,906 USD
View
Retailer 19
-
$3,885 SGD
A$4,675 AUD
View
Price last confirmed 25 days ago
Retailer 20
-
$3,937 SGD
$3,080 USD
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
21461864A · Oct 28
$5,523 SGD
$4,320 USD
View
20 more retailers have this diamond
Prices start from $717 SGDSave up to $4,805 SGD

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
$717 SGD