CaratHunter
Plans
Cushion|Lab Grown|IGI

4.26ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846658009

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846658009

Diamond specifications and retailer prices

From €3,480 EUR
£3,061 GBP
As of November 1, 2026
Save €20,306 EUR (85%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €23,786 EUR at With Clarity · As of October 31, 2026
View at With Clarity

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 LG846658009 or 846658009. Listed at 9 retailers as of October 31, 2026, with prices from €3,480 to €23,786, a €20,306 spread on the same certified stone. With Clarity lists it at €23,786. 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 angle36.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846658009
Dimensions10.34 × 8.63 × 5.83 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
10.34 mm8.63 mm4.26 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846658009
Side View
Table 60.0%Crown 36.8°Girdle: STK-THKPavilion 35.3°Culet: NoneDepth 67.6%

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: Nov 1
Current: €3,480 EUR|Low: €3,480 EUR|High: €26,429 EUR|Avg: €9,310 EUR|-5.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 1, 2026
Retailer 1€3,480 EUR
Retailer 2€4,225 EUR
Retailer 4€5,729 EUR
Retailer 8€6,830 EUR
Retailer 5€8,325 EUR
Retailer 6€8,405 EUR
Retailer 7€8,938 EUR
Retailer 3€11,815 EUR
With Clarity€23,786 EUR

8 data points across 9 retailers

9 retailers€3,480 EUR to €23,786 EUR

A+
Cheapest Retailer
-
€3,480 EUR
£3,061 GBP
A
Retailer 2
-
€4,225 EUR
$4,720 USD
View
A
Retailer 3
-
€5,729 EUR
$6,400 USD
View
A
Retailer 4
-
€6,830 EUR
$7,631 USD
View
B+
Retailer 5
-
€8,325 EUR
View
B+
Retailer 6
-
€8,405 EUR
$9,390 USD
View
B+
Retailer 7
-
€8,938 EUR
£7,863 GBP
View
B+
Retailer 8
-
€11,815 EUR
$13,200 USD
View
Most Expensive
B
With Clarity
846658009 · Oct 31
€23,786 EUR
$26,574 USD
View
8 more retailers have this diamond
Prices start from €3,480 EURSave up to €20,306 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
€3,480 EUR