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Cushion|Lab Grown|IGI

4.30ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG780662187

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG780662187

Diamond specifications and retailer prices

From €3,741 EUR
$4,180 USD
As of October 29, 2026
Save €10,827 EUR (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €14,569 EUR at MOH London · As of October 29, 2026
View at MOH London

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 LG780662187 or 780662187. Listed at 10 retailers as of October 29, 2026, with prices from €3,741 to €14,569, a €10,827 spread on the same certified stone. MOH London lists it at €14,569. 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 angle37.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662187
Dimensions11.06 × 8.64 × 5.74 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizeLarge
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 mm8.64 mm4.30 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662187
Side View
Table 56.0%Crown 37.2°Girdle: STK-THKPavilion 40.7°Culet: LargeDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €14,569 EUR|Low: €3,741 EUR|High: €32,126 EUR|Avg: €13,024 EUR|-4.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 13€3,741 EUR
Retailer 11€3,921 EUR
Retailer 10€5,648 EUR
Retailer 15€5,671 EUR
Retailer 8€5,987 EUR
Retailer 3€6,386 EUR
Retailer 14€7,753 EUR
Retailer 9€7,756 EUR
Retailer 2€8,241 EUR
Retailer 6€11,051 EUR
Retailer 12€11,921 EUR
MOH London€14,569 EUR
Retailer 4€20,838 EUR
Retailer 7€26,953 EUR
Retailer 5€32,126 EUR

31 data points across 15 retailers

10 retailers€3,741 EUR to €14,569 EUR

A
Cheapest Retailer
-
€3,741 EUR
$4,180 USD
A
Retailer 2
-
€3,921 EUR
$4,381 USD
View
A
Retailer 3
-
€5,648 EUR
$6,310 USD
View
A
Retailer 4
-
€5,671 EUR
$6,336 USD
View
Final sale: no returns
A
Retailer 5
-
€5,987 EUR
$6,689 USD
View
A
Retailer 6
-
€7,753 EUR
$8,662 USD
View
B+
Retailer 7
-
€7,756 EUR
$8,665 USD
View
B+
Retailer 8
-
€8,241 EUR
View
B+
Retailer 9
-
€11,921 EUR
$13,318 USD
View
Most Expensive
B+
MOH London
LG780662187 · Oct 29
€14,569 EUR
£12,816 GBP
View
9 more retailers have this diamond
Prices start from €3,741 EURSave up to €10,827 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
€3,741 EUR