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Cushion|Lab Grown|IGI

4.01ct E FL Cushion Lab Grown Diamond

EX • E/FL • IGI LG800663001

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

Certificate IGI LG800663001

Diamond specifications and retailer prices

From €4,754 EUR
$5,311 USD
As of October 29, 2026
Save €14,881 EUR (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €19,635 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG800663001 or 800663001. Listed at 16 retailers as of October 29, 2026, with prices from €4,754 to €19,635, a €14,881 spread on the same certified stone. Taylor and Hart lists it at €19,635. 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 angle38.4°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800663001
Dimensions10.82 × 7.43 × 4.88 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeLarge
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
10.82 mm7.43 mm4.01 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800663001
Side View
Table 67.0%Crown 38.4°Girdle: MED-STKPavilion 41.8°Culet: LargeDepth 65.7%

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 29
Current: €7,068 EUR|Low: €4,122 EUR|High: €19,635 EUR|Avg: €8,497 EUR|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Taylor and Hart
November 1, 2026
Retailer 12€4,754 EUR
Retailer 14€4,982 EUR
Retailer 2€5,515 EUR
Retailer 4€5,515 EUR
Retailer 11€5,527 EUR
Retailer 6€5,780 EUR
Retailer 9€6,297 EUR
Retailer 3€6,546 EUR
Retailer 10€6,791 EUR
Retailer 1€7,068 EUR
Retailer 5€7,816 EUR
Retailer 15€9,304 EUR
Retailer 8€11,281 EUR
Retailer 13€12,282 EUR
Retailer 7€15,335 EUR
Taylor and Hart€19,635 EUR

43 data points across 16 retailers

16 retailers€4,754 EUR to €19,635 EUR

A
Cheapest Retailer
-
€4,754 EUR
$5,311 USD
A
Retailer 2
-
€4,982 EUR
$5,566 USD
View
A
Retailer 3
-
€5,515 EUR
$6,161 USD
View
Retailer 4
-
€5,515 EUR
$6,161 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€5,527 EUR
$6,175 USD
View
A
Retailer 6
-
€5,780 EUR
$6,457 USD
View
A
Retailer 7
-
€6,297 EUR
$7,035 USD
View
Final sale: no returns
A
Retailer 8
-
€6,546 EUR
$7,313 USD
View
A
Retailer 9
-
€6,791 EUR
$7,587 USD
View
A
Retailer 10
-
€7,068 EUR
£6,218 GBP
View
B+
Retailer 11
-
€7,816 EUR
£6,876 GBP
View
B+
Retailer 12
-
€9,304 EUR
$10,395 USD
View
B+
Retailer 13
-
€11,281 EUR
£9,924 GBP
View
B
Retailer 14
-
€12,282 EUR
$13,722 USD
View
B
Retailer 15
-
€15,335 EUR
$17,132 USD
View
Most Expensive
B
Taylor and Hart
3HNUFDP · Oct 31
€19,635 EUR
$21,937 USD
View
15 more retailers have this diamond
Prices start from €4,754 EURSave up to €14,881 EUR

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
€4,754 EUR