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Cushion|Lab Grown|IGI

4.29ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG808634528

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG808634528

Diamond specifications and retailer prices

From €5,200 EUR
$5,810 USD
As of October 26, 2026
Save €26,339 EUR (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €31,539 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 LG808634528 or 808634528. Listed at 21 retailers as of October 26, 2026, with prices from €5,200 to €31,539, a €26,339 spread on the same certified stone. With Clarity lists it at €31,539. 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 angle36.7°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808634528
Dimensions11.52 × 8.52 × 5.64 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.52 mm8.52 mm4.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808634528
Side View
Table 61.0%Crown 36.7°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 66.2%

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 26
Current: €9,742 EUR|Low: €5,021 EUR|High: €20,793 EUR|Avg: €10,401 EUR|+2.3%
Retailer 1
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
October 31, 2026
Retailer 11€5,200 EUR
Retailer 6€6,191 EUR
Retailer 14€6,207 EUR
Retailer 2€6,273 EUR
Retailer 7€7,115 EUR
Retailer 8€7,775 EUR
Retailer 4€8,839 EUR
Retailer 1€9,742 EUR
Retailer 13€10,508 EUR
Retailer 10€12,697 EUR
Retailer 9€13,210 EUR
Retailer 12€13,887 EUR
Retailer 5€16,017 EUR
Retailer 3€20,793 EUR

43 data points across 14 retailers

21 retailers€5,200 EUR to €31,539 EUR

A
Cheapest Retailer
-
€5,200 EUR
$5,810 USD
A
Retailer 2
-
€5,780 EUR
CA$8,968 CAD
View
A
Retailer 3
-
€6,191 EUR
$6,917 USD
View
A
Retailer 4
-
€6,198 EUR
$6,925 USD
View
Retailer 5
-
€6,207 EUR
$6,934 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
€6,273 EUR
$7,008 USD
View
A
Retailer 7
-
€7,115 EUR
$7,949 USD
View
Final sale: no returns
A
Retailer 8
-
€7,775 EUR
£6,839 GBP
View
B+
Retailer 9
-
€8,839 EUR
£7,776 GBP
View
B+
Retailer 10
-
€9,742 EUR
View
B+
Retailer 11
-
€10,508 EUR
$11,740 USD
View
B+
Retailer 12
-
€12,697 EUR
£11,169 GBP
View
B+
Retailer 13
-
€13,210 EUR
ZAR 238,413 ZAR
View
B
Retailer 14
-
€13,887 EUR
$15,515 USD
View
B
Retailer 15
-
€16,017 EUR
$17,894 USD
View
B
Retailer 16
-
€16,742 EUR
$18,704 USD
View
B
Retailer 17
-
€17,267 EUR
$19,291 USD
View
B
Retailer 18
-
€18,263 EUR
$20,404 USD
View
Retailer 19
-
€20,793 EUR
$23,230 USD
View
Price last confirmed 39 days ago
B
Retailer 20
-
€21,671 EUR
$24,211 USD
View
Most Expensive
B
With Clarity
808634528 · Oct 31
€31,539 EUR
$35,236 USD
View
20 more retailers have this diamond
Prices start from €5,200 EURSave up to €26,339 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
€5,200 EUR