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Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG803695315

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG803695315

Diamond specifications and retailer prices

From $898 AUD
£496 GBP
As of November 2, 2026
Save $6,079 AUD (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,978 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG803695315 or 803695315. Listed at 14 retailers as of November 2, 2026, with prices from $898 to $6,978, a $6,079 spread on the same certified stone. Do Amore Diamonds lists it at $6,978. 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 angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803695315
Dimensions10.15 × 9.44 × 5.98 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.15 mm9.44 mm4.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803695315
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,978 AUD|Low: $732 AUD|High: $7,263 AUD|Avg: $2,906 AUD|-3.0%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 20
November 2, 2026
Retailer 13$898 AUD
Retailer 17$933 AUD
Retailer 5$1,220 AUD
Retailer 15$1,284 AUD
Retailer 10$1,297 AUD
Retailer 20$1,304 AUD
Retailer 16$1,579 AUD
Retailer 3$2,156 AUD
Retailer 12$2,291 AUD
Retailer 2$2,357 AUD
Retailer 9$2,691 AUD
Retailer 8$2,841 AUD
Retailer 7$3,173 AUD
Retailer 11$3,479 AUD
Retailer 18$3,783 AUD
Retailer 6$4,274 AUD
Retailer 14$4,674 AUD
Retailer 19$6,136 AUD
Retailer 4$6,288 AUD
Do Amore Diamonds$6,978 AUD

28 data points across 20 retailers

14 retailers$898 AUD to $6,978 AUD

A
Cheapest Retailer
-
$898 AUD
£496 GBP
A
Retailer 2
-
$933 AUD
$654 USD
View
Final sale: no returns
A
Retailer 3
-
$1,220 AUD
$855 USD
View
A
Retailer 4
-
$1,284 AUD
$900 USD
View
B+
Retailer 5
-
$1,304 AUD
$914 USD
View
A
Retailer 6
-
$1,579 AUD
€1,054 EUR
View
A
Retailer 7
-
$2,156 AUD
View
A
Retailer 8
-
$2,357 AUD
$1,652 USD
View
B+
Retailer 9
-
$3,783 AUD
$2,651 USD
View
Retailer 10
-
$4,274 AUD
$2,995 USD
View
Price last confirmed 15 days ago
B
Retailer 11
-
$4,674 AUD
£2,579 GBP
View
B
Retailer 12
-
$6,136 AUD
$4,300 USD
View
B
Retailer 13
-
$6,288 AUD
$4,407 USD
View
Most Expensive
B
Do Amore Diamonds
27-DC8396FE6 · Nov 2
$6,978 AUD
$4,890 USD
View
13 more retailers have this diamond
Prices start from $898 AUDSave up to $6,079 AUD

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
$898 AUD