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 $5,837 USD
HK$45,600 HKD
As of October 30, 2026
Save $12,676 USD (68%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $18,513 USD at With Clarity · As of October 30, 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 $5,837 to $18,513, a $12,676 spread on the same certified stone. With Clarity lists it at $18,513. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $11,150 USD|Low: $5,837 USD|High: $22,480 USD|Avg: $10,573 USD|-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$5,837 USD
Retailer 5$6,146 USD
Retailer 11$6,149 USD
Retailer 12$7,172 USD
Retailer 7$7,679 USD
Retailer 9$7,855 USD
Retailer 3$8,799 USD
Retailer 6$9,957 USD
Retailer 8$10,075 USD
Retailer 1$11,150 USD
Retailer 10$12,536 USD
Retailer 4$16,609 USD
With Clarity$18,513 USD

41 data points across 13 retailers

13 retailers$5,837 USD to $18,513 USD

A
Cheapest Retailer
-
$5,837 USD
HK$45,600 HKD
A
Retailer 2
-
$6,146 USD
£4,839 GBP
View
A
Retailer 3
-
$6,149 USD
View
A
Retailer 4
-
$7,172 USD
View
A
Retailer 5
-
$7,679 USD
€7,313 EUR
View
Retailer 6
-
$7,855 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$8,799 USD
View
B+
Retailer 8
-
$9,957 USD
ZAR 160,859 ZAR
View
B+
Retailer 9
-
$10,075 USD
£7,933 GBP
View
B+
Retailer 10
-
$11,150 USD
View
B+
Retailer 11
-
$12,536 USD
View
B
Retailer 12
-
$16,609 USD
View
Most Expensive
B
With Clarity
804659728 · Oct 30
$18,513 USD
View
12 more retailers have this diamond
Prices start from $5,837 USDSave up to $12,676 USD

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
$5,837 USD