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Cushion|Lab Grown|IGI

4.30ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG811635496

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811635496

Diamond specifications and retailer prices

From €3,666 EUR
$4,096 USD
As of October 30, 2026
Save €19,552 EUR (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €23,219 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 LG811635496 or 811635496. Listed at 9 retailers as of October 30, 2026, with prices from €3,666 to €23,219, a €19,552 spread on the same certified stone. Do Amore Diamonds lists it at €23,219. 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 angle32.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635496
Dimensions11.06 × 8.70 × 5.64 mm
L/W Ratio1.27
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
11.06 mm8.70 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635496
Side View
Table 59.0%Crown 32.6°Girdle: MED-THKPavilion 35.3°Culet: NoneDepth 64.8%

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: €23,219 EUR|Low: €3,666 EUR|High: €29,744 EUR|Avg: €10,675 EUR|-21.9%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3€3,666 EUR
Retailer 6€3,970 EUR
Retailer 5€4,321 EUR
Retailer 8€6,108 EUR
Retailer 2€7,416 EUR
Retailer 9€7,816 EUR
Retailer 7€8,995 EUR
Retailer 4€11,923 EUR
Retailer 10€12,567 EUR
Do Amore Diamonds€23,219 EUR

27 data points across 10 retailers

9 retailers€3,666 EUR to €23,219 EUR

A+
Cheapest Retailer
-
€3,666 EUR
$4,096 USD
A
Retailer 2
-
€3,970 EUR
$4,435 USD
View
A
Retailer 3
-
€4,321 EUR
$4,827 USD
View
A
Retailer 4
-
€6,108 EUR
$6,824 USD
View
A
Retailer 5
-
€7,416 EUR
View
Retailer 6
-
€7,816 EUR
$8,732 USD
View
Price last confirmed 82 days ago
B+
Retailer 7
-
€8,995 EUR
£7,913 GBP
View
B+
Retailer 8
-
€11,923 EUR
$13,320 USD
View
Most Expensive
B
Do Amore Diamonds
27-90FA6433D · Oct 31
€23,219 EUR
$25,940 USD
View
8 more retailers have this diamond
Prices start from €3,666 EURSave up to €19,552 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
€3,666 EUR