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Cushion|Lab Grown|IGI

4.29ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG787620793

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG787620793

Diamond specifications and retailer prices

From €4,321 EUR
$4,828 USD
As of November 1, 2026
Save €13,818 EUR (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €18,140 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.29ct lab-grown cushion diamond

This 4.29ct 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 LG787620793 or 787620793. Listed at 13 retailers as of October 31, 2026, with prices from €4,321 to €18,140, a €13,818 spread on the same certified stone. With Clarity lists it at €18,140. 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

4.29
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620793
Dimensions10.59 × 8.81 × 5.78 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
10.59 mm8.81 mm4.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620793
Side View
Table 60.0%Crown 36.1°Girdle: THK-VTKPavilion 36.5°Culet: NoneDepth 65.6%

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: Nov 1
Current: €7,025 EUR|Low: €4,321 EUR|High: €22,706 EUR|Avg: €11,000 EUR|-10.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 1, 2026
Retailer 8€4,321 EUR
Retailer 7€5,700 EUR
Retailer 2€5,717 EUR
Retailer 5€5,936 EUR
Retailer 1€7,025 EUR
Retailer 6€7,471 EUR
Retailer 9€8,565 EUR
Retailer 12€9,742 EUR
Retailer 3€10,163 EUR
Retailer 10€11,896 EUR
Retailer 4€13,179 EUR
Retailer 11€16,331 EUR
With Clarity€18,140 EUR

37 data points across 13 retailers

13 retailers€4,321 EUR to €18,140 EUR

A
Cheapest Retailer
-
€4,321 EUR
$4,828 USD
A
Retailer 2
-
€5,700 EUR
$6,368 USD
View
A
Retailer 3
-
€5,717 EUR
HK$49,900 HKD
View
A
Retailer 4
-
€5,936 EUR
£5,222 GBP
View
A
Retailer 5
-
€7,025 EUR
$7,848 USD
View
A
Retailer 6
-
€7,471 EUR
View
B+
Retailer 7
-
€8,565 EUR
$9,569 USD
View
B+
Retailer 8
-
€9,742 EUR
ZAR 175,837 ZAR
View
B+
Retailer 9
-
€10,163 EUR
£8,940 GBP
View
B+
Retailer 10
-
€11,896 EUR
$13,290 USD
View
B+
Retailer 11
-
€13,179 EUR
$14,723 USD
View
B
Retailer 12
-
€16,331 EUR
$18,245 USD
View
Most Expensive
B
With Clarity
787620793 · Oct 31
€18,140 EUR
$20,266 USD
View
12 more retailers have this diamond
Prices start from €4,321 EURSave up to €13,818 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
4.29ct Cushion
€4,321 EUR