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Cushion|Lab Grown|IGI

4.25ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780665784

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780665784

Diamond specifications and retailer prices

From €3,569 EUR
$3,987 USD
As of October 30, 2026
Save €18,647 EUR (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €22,216 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 4.25ct lab-grown cushion diamond

This 4.25ct 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 LG780665784 or 780665784. Listed at 11 retailers as of October 30, 2026, with prices from €3,569 to €22,216, a €18,647 spread on the same certified stone. Do Amore Diamonds lists it at €22,216. 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

4.25
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665784
Dimensions11.12 × 8.53 × 5.66 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
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
11.12 mm8.53 mm4.25 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665784
Side View
Table 60.0%Crown 33.8°Girdle: STK-THKPavilion 34.8°Culet: NoneDepth 66.4%

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: €22,216 EUR|Low: €3,569 EUR|High: €29,413 EUR|Avg: €10,032 EUR|-24.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2€3,569 EUR
Retailer 7€3,741 EUR
Retailer 5€4,202 EUR
Retailer 11€5,081 EUR
Retailer 10€6,040 EUR
Retailer 6€7,125 EUR
Retailer 3€7,619 EUR
Retailer 8€8,905 EUR
Retailer 9€10,276 EUR
Retailer 4€11,788 EUR
Do Amore Diamonds€22,216 EUR

28 data points across 11 retailers

11 retailers€3,569 EUR to €22,216 EUR

A+
Cheapest Retailer
-
€3,569 EUR
$3,987 USD
A
Retailer 2
-
€3,741 EUR
$4,180 USD
View
A
Retailer 3
-
€4,202 EUR
$4,695 USD
View
A
Retailer 4
-
€5,081 EUR
$5,677 USD
View
Final sale: no returns
A
Retailer 5
-
€6,040 EUR
$6,748 USD
View
A
Retailer 6
-
€7,125 EUR
View
Retailer 7
-
€7,619 EUR
$8,512 USD
View
Price last confirmed 83 days ago
B+
Retailer 8
-
€8,905 EUR
£7,834 GBP
View
B+
Retailer 9
-
€10,276 EUR
$11,480 USD
View
B+
Retailer 10
-
€11,788 EUR
$13,170 USD
View
Most Expensive
B
Do Amore Diamonds
27-3F57FA657 · Oct 30
€22,216 EUR
$24,820 USD
View
10 more retailers have this diamond
Prices start from €3,569 EURSave up to €18,647 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+
4.25ct Cushion
€3,569 EUR