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Cushion|Lab Grown|IGI

4.30ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780662157

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780662157

Diamond specifications and retailer prices

From €3,607 EUR
$4,030 USD
As of October 30, 2026
Save €18,860 EUR (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €22,467 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.3ct lab-grown cushion diamond

This 4.3ct 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 LG780662157 or 780662157. Listed at 11 retailers as of October 30, 2026, with prices from €3,607 to €22,467, a €18,860 spread on the same certified stone. Do Amore Diamonds lists it at €22,467. 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

4.30
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662157
Dimensions10.59 × 8.55 × 5.87 mm
L/W Ratio1.24
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
10.59 mm8.55 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662157
Side View
Table 57.0%Crown 35.5°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 68.7%

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 30
Current: €22,467 EUR|Low: €3,607 EUR|High: €29,744 EUR|Avg: €10,097 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 31, 2026
Retailer 4€3,607 EUR
Retailer 7€3,786 EUR
Retailer 6€4,293 EUR
Retailer 11€5,140 EUR
Retailer 9€6,108 EUR
Retailer 2€7,158 EUR
Retailer 3€7,800 EUR
Retailer 10€9,020 EUR
Retailer 8€10,393 EUR
Retailer 5€11,923 EUR
Do Amore Diamonds€22,467 EUR

29 data points across 11 retailers

11 retailers€3,607 EUR to €22,467 EUR

A
Cheapest Retailer
-
€3,607 EUR
$4,030 USD
A
Retailer 2
-
€3,786 EUR
$4,230 USD
View
A
Retailer 3
-
€4,293 EUR
$4,796 USD
View
A
Retailer 4
-
€5,140 EUR
$5,742 USD
View
Final sale: no returns
A
Retailer 5
-
€6,108 EUR
$6,824 USD
View
A
Retailer 6
-
€7,158 EUR
View
Retailer 7
-
€7,800 EUR
$8,715 USD
View
Price last confirmed 82 days ago
B+
Retailer 8
-
€9,020 EUR
£7,935 GBP
View
B+
Retailer 9
-
€10,393 EUR
$11,612 USD
View
B+
Retailer 10
-
€11,923 EUR
$13,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-446F75BE7 · Oct 31
€22,467 EUR
$25,100 USD
View
10 more retailers have this diamond
Prices start from €3,607 EURSave up to €18,860 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
4.30ct Cushion
€3,607 EUR