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Cushion|Lab Grown|IGI

4.08ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG734539297

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG734539297

Diamond specifications and retailer prices

From €3,168 EUR
$3,539 USD
As of October 29, 2026
Save €13,886 EUR (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €17,054 EUR at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.08ct lab-grown cushion diamond

This 4.08ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG734539297 or 734539297. Listed at 20 retailers as of October 29, 2026, with prices from €3,168 to €17,054, a €13,886 spread on the same certified stone. With Clarity lists it at €17,054. 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

4.08
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734539297
Dimensions10.42 × 8.67 × 5.78 mm
L/W Ratio1.20
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
10.42 mm8.67 mm4.08 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734539297
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 66.7%

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: €4,323 EUR|Low: €3,168 EUR|High: €18,295 EUR|Avg: €8,021 EUR|-11.3%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
With Clarity
October 31, 2026
Retailer 4€3,168 EUR
Retailer 13€3,234 EUR
Retailer 11€3,424 EUR
Retailer 3€4,033 EUR
Retailer 1€4,323 EUR
Retailer 12€4,891 EUR
Retailer 5€5,304 EUR
Retailer 9€5,431 EUR
Retailer 18€5,675 EUR
Retailer 2€6,983 EUR
Retailer 6€7,690 EUR
Retailer 7€7,720 EUR
Retailer 15€9,101 EUR
Retailer 10€9,481 EUR
Retailer 14€9,765 EUR
Retailer 17€11,461 EUR
Retailer 16€11,677 EUR
Retailer 8€13,952 EUR
With Clarity€17,054 EUR

36 data points across 19 retailers

20 retailers€3,168 EUR to €17,054 EUR

A
Cheapest Retailer
-
€3,168 EUR
$3,539 USD
Final sale: no returns
A
Retailer 2
-
€3,234 EUR
$3,613 USD
View
A
Retailer 3
-
€3,424 EUR
$3,825 USD
View
A
Retailer 4
-
€4,033 EUR
HK$35,200 HKD
View
A
Retailer 5
-
€4,323 EUR
£3,803 GBP
View
A
Retailer 6
-
€4,891 EUR
$5,464 USD
View
A
Retailer 7
-
€5,304 EUR
View
A
Retailer 8
-
€5,431 EUR
$6,068 USD
View
A
Retailer 9
-
€5,675 EUR
£4,992 GBP
View
Retailer 10
-
€6,440 EUR
$7,195 USD
View
Price last confirmed 96 days ago
A
Retailer 11
-
€6,983 EUR
ZAR 126,038 ZAR
View
A
Retailer 12
-
€7,690 EUR
£6,765 GBP
View
Retailer 13
-
€7,720 EUR
A$13,269 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
€9,101 EUR
$10,168 USD
View
B+
Retailer 15
-
€9,481 EUR
$10,592 USD
View
B+
Retailer 16
-
€9,765 EUR
$10,910 USD
View
B+
Retailer 17
-
€11,461 EUR
$12,804 USD
View
B+
Retailer 18
-
€11,677 EUR
SGD 17,629 SGD
View
Retailer 19
-
€13,952 EUR
A$23,980 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
With Clarity
734539297 · Oct 31
€17,054 EUR
$19,053 USD
View
19 more retailers have this diamond
Prices start from €3,168 EURSave up to €13,886 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
4.08ct Cushion
€3,168 EUR