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Cushion|Lab Grown|IGI

4.07ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG804659728

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

Certificate IGI LG804659728

Diamond specifications and retailer prices

From $8,309 AUD
HK$45,600 HKD
As of October 30, 2026
Save $18,046 AUD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $26,355 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.07ct lab-grown cushion diamond

This 4.07ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804659728 or 804659728. Listed at 13 retailers as of October 30, 2026, with prices from $8,309 to $26,355, a $18,046 spread on the same certified stone. With Clarity lists it at $26,355. 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

4.07
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659728
Dimensions9.26 × 9.20 × 5.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.26 mm9.20 mm4.07 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659728
Side View
Table 60.0%Crown 39.4°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
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 30
Current: $15,873 AUD|Low: $8,309 AUD|High: $32,003 AUD|Avg: $15,052 AUD|-17.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
October 30, 2026
Retailer 2$8,309 AUD
Retailer 5$8,749 AUD
Retailer 11$8,754 AUD
Retailer 12$10,210 AUD
Retailer 7$10,931 AUD
Retailer 9$11,182 AUD
Retailer 3$12,526 AUD
Retailer 6$14,175 AUD
Retailer 8$14,343 AUD
Retailer 1$15,873 AUD
Retailer 10$17,846 AUD
Retailer 4$23,644 AUD
With Clarity$26,355 AUD

41 data points across 13 retailers

13 retailers$8,309 AUD to $26,355 AUD

A
Cheapest Retailer
-
$8,309 AUD
HK$45,600 HKD
A
Retailer 2
-
$8,749 AUD
£4,839 GBP
View
A
Retailer 3
-
$8,754 AUD
$6,149 USD
View
A
Retailer 4
-
$10,210 AUD
$7,172 USD
View
A
Retailer 5
-
$10,931 AUD
€7,313 EUR
View
Retailer 6
-
$11,182 AUD
$7,855 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$12,526 AUD
$8,799 USD
View
B+
Retailer 8
-
$14,175 AUD
ZAR 160,859 ZAR
View
B+
Retailer 9
-
$14,343 AUD
£7,933 GBP
View
B+
Retailer 10
-
$15,873 AUD
$11,150 USD
View
B+
Retailer 11
-
$17,846 AUD
$12,536 USD
View
B
Retailer 12
-
$23,644 AUD
$16,609 USD
View
Most Expensive
B
With Clarity
804659728 · Oct 31
$26,355 AUD
$18,513 USD
View
12 more retailers have this diamond
Prices start from $8,309 AUDSave up to $18,046 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
4.07ct Cushion
$8,309 AUD