Cushion|Lab Grown|IGI

4.26ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804659469

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804659469

Diamond specifications and retailer prices

From €3,923 EUR
$4,383 USD
As of October 30, 2026
Save €12,293 EUR (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €16,217 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.26ct lab-grown cushion diamond

This 4.26ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804659469 or 804659469. Listed at 11 retailers as of October 30, 2026, with prices from €3,923 to €16,217, a €12,293 spread on the same certified stone. Taylor and Hart lists it at €16,217. 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

4.26
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659469
Dimensions10.46 × 8.75 × 5.88 mm
L/W Ratio1.20
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
10.46 mm8.75 mm4.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659469
Side View
Table 60.0%Crown 37.8°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
A+
Exceptional
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: €7,418 EUR|Low: €3,923 EUR|High: €20,023 EUR|Avg: €10,030 EUR|-26.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 31, 2026
Retailer 4€3,923 EUR
Retailer 3€4,172 EUR
Retailer 7€5,740 EUR
Retailer 6€5,895 EUR
Retailer 10€7,291 EUR
Retailer 1€7,418 EUR
Retailer 2€7,671 EUR
Retailer 8€10,094 EUR
Retailer 5€11,815 EUR
Retailer 9€13,087 EUR
Taylor and Hart€16,217 EUR

41 data points across 11 retailers

11 retailers€3,923 EUR to €16,217 EUR

A+
Cheapest Retailer
-
€3,923 EUR
$4,383 USD
A
Retailer 2
-
€4,172 EUR
$4,661 USD
View
A
Retailer 3
-
€5,740 EUR
HK$50,100 HKD
View
A
Retailer 4
-
€5,895 EUR
£5,186 GBP
View
Retailer 5
-
€7,291 EUR
$8,145 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
€7,418 EUR
View
B+
Retailer 7
-
€7,671 EUR
$8,570 USD
View
B+
Retailer 8
-
€10,094 EUR
£8,880 GBP
View
B+
Retailer 9
-
€11,815 EUR
$13,200 USD
View
B+
Retailer 10
-
€13,087 EUR
$14,620 USD
View
Most Expensive
B+
Taylor and Hart
MTAYJA7 · Oct 31
€16,217 EUR
$18,117 USD
View
10 more retailers have this diamond
Prices start from €3,923 EURSave up to €12,293 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+
4.26ct Cushion
€3,923 EUR