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Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG696511934

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG696511934

Diamond specifications and retailer prices

From $2,030 AUD
$1,423 USD
As of November 2, 2026
Save $9,104 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $15,639 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 LG696511934 or 696511934. Listed at 16 retailers as of November 2, 2026, with a 448% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696511934
Dimensions9.33 × 9.15 × 6.13 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.33 mm9.15 mm4.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696511934
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 67.0%

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: $3,833 AUD|Low: $2,030 AUD|High: $8,296 AUD|Avg: $4,327 AUD|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9$2,030 AUD
Retailer 8$2,444 AUD
Retailer 2$2,558 AUD
Retailer 7$2,840 AUD
Retailer 1$3,833 AUD
Retailer 3$4,064 AUD
Retailer 6$6,101 AUD
Retailer 5$6,141 AUD
Retailer 4$8,186 AUD

36 data points across 9 retailers

16 retailers$2,030 AUD to $11,134 AUD

A
Cheapest Retailer
-
$2,030 AUD
$1,423 USD
B+
Retailer 2
-
$2,137 AUD
$1,498 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,444 AUD
$1,713 USD
View
A
Retailer 4
-
$2,558 AUD
£1,411 GBP
View
B+
Retailer 5
-
$2,840 AUD
$1,990 USD
View
B+
Retailer 6
-
$3,833 AUD
€2,558 EUR
View
B
Retailer 7
-
$3,873 AUD
$2,714 USD
View
B+
Retailer 8
-
$4,064 AUD
£2,243 GBP
View
B
Retailer 9
-
$5,937 AUD
£3,276 GBP
View
B
Retailer 10
-
$6,101 AUD
ZAR 69,078 ZAR
View
B
Retailer 11
-
$6,141 AUD
View
B
Retailer 12
-
$6,792 AUD
$4,760 USD
View
B
Retailer 13
-
$8,186 AUD
£4,517 GBP
View
B
Retailer 14
-
$10,069 AUD
$7,056 USD
View
B
Retailer 15
-
$11,134 AUD
$7,803 USD
View
Most Expensive
Do Amore Diamonds
31-LGD689639 · Nov 2
$15,639 AUD
$10,960 USD
View
Price under review
15 more retailers have this diamond
Prices start from $2,030 AUDSave up to $9,104 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
$2,030 AUD