Cushion|Lab Grown|IGI

4.01ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG804605053

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804605053

Diamond specifications and retailer prices

From $5,417 USD
As of October 29, 2026
Save $11,136 USD (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $16,553 USD at Riddles Jewelry · As of October 29, 2026
View at Riddles Jewelry

About this 4.01ct lab-grown cushion diamond

This 4.01ct 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 LG804605053 or 804605053. Listed at 7 retailers as of October 29, 2026, with prices from $5,417 to $16,553, a $11,136 spread on the same certified stone. Riddles Jewelry lists it at $16,553. 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

4.01
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804605053
Dimensions10.82 × 8.61 × 5.52 mm
L/W Ratio1.26
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.82 mm8.61 mm4.01 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804605053
Side View
Table 60.0%Crown 34.4°Girdle: STK-THKPavilion 36.8°Culet: NoneDepth 64.1%

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 29
Current: $10,395 USD|Low: $4,247 USD|High: $30,541 USD|Avg: $11,666 USD|+15.0%
Retailer 1
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Riddles Jewelry
October 4, 2026
Retailer 10$5,417 USD
Retailer 9$5,757 USD
Retailer 13$5,961 USD
Retailer 8$6,097 USD
Retailer 3$6,457 USD
Retailer 15$6,460 USD
Retailer 14$7,844 USD
Retailer 16$8,108 USD
Retailer 2$9,358 USD
Retailer 1$10,395 USD
Retailer 5$11,395 USD
Retailer 12$14,997 USD
Retailer 11$15,827 USD
Riddles Jewelry$16,553 USD
Retailer 6$17,132 USD
Retailer 7$21,937 USD
Retailer 4$30,541 USD

7 data points across 17 retailers

7 retailers$5,417 USD to $16,553 USD

A
Cheapest Retailer
-
$5,417 USD
A
Retailer 2
-
$5,757 USD
CA$7,995 CAD
View
A
Retailer 3
-
$5,961 USD
View
Final sale: no returns
B+
Retailer 4
-
$10,395 USD
View
B
Retailer 5
-
$14,997 USD
View
B
Retailer 6
-
$15,827 USD
View
Most Expensive
B
Riddles Jewelry
1976264185 · Oct 29
$16,553 USD
View
6 more retailers have this diamond
Prices start from $5,417 USDSave up to $11,136 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
4.01ct Cushion
$5,417 USD