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Cushion|Lab Grown|IGI

4.05ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG728567933

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG728567933

Diamond specifications and retailer prices

From €1,160 EUR
$1,291 USD
As of October 28, 2026
Save €5,478 EUR (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €6,638 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728567933 or 728567933. Listed at 18 retailers as of October 28, 2026, with prices from €1,160 to €6,638, a €5,478 spread on the same certified stone. Brilliant Earth lists it at €6,638. 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

4.05
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728567933
Dimensions8.59 × 8.59 × 5.76 mm
L/W Ratio1.00
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
8.59 mm8.59 mm4.05 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728567933
Side View
Table 61.0%Crown 37.9°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 67.1%

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 28
Current: €6,638 EUR|Low: €1,160 EUR|High: €6,638 EUR|Avg: €2,717 EUR
Brilliant Earth
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
October 29, 2026
Retailer 11€1,160 EUR
Retailer 4€1,201 EUR
Retailer 13€1,338 EUR
Retailer 5€1,531 EUR
Retailer 12€1,731 EUR
Retailer 16€1,805 EUR
Retailer 14€1,913 EUR
Retailer 2€2,557 EUR
Retailer 15€2,571 EUR
Retailer 17€2,740 EUR
Retailer 6€3,100 EUR
Retailer 7€3,313 EUR
Retailer 3€3,322 EUR
Retailer 9€3,626 EUR
Retailer 10€3,880 EUR
Retailer 8€4,204 EUR
Brilliant Earth€6,638 EUR

40 data points across 17 retailers

18 retailers€1,160 EUR to €6,638 EUR

A
Cheapest Retailer
-
€1,160 EUR
$1,291 USD
Final sale: no returns
A
Retailer 2
-
€1,201 EUR
$1,337 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
€1,338 EUR
$1,490 USD
View
A
Retailer 4
-
€1,531 EUR
$1,705 USD
View
A
Retailer 5
-
€1,731 EUR
£1,518 GBP
View
A
Retailer 6
-
€1,805 EUR
$2,010 USD
View
A
Retailer 7
-
€1,913 EUR
View
A
Retailer 8
-
€2,557 EUR
ZAR 45,981 ZAR
View
B+
Retailer 9
-
€2,571 EUR
A$4,404 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
€2,740 EUR
$3,051 USD
View
B+
Retailer 11
-
€3,100 EUR
$3,451 USD
View
B+
Retailer 12
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€3,313 EUR
£2,904 GBP
View
Price last confirmed 17 days ago
B+
Retailer 13
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€3,322 EUR
$3,698 USD
View
B+
Retailer 14
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€3,477 EUR
$3,871 USD
View
B+
Retailer 15
-
€3,626 EUR
$4,037 USD
View
B+
Retailer 16
-
€3,880 EUR
£3,401 GBP
View
B
Retailer 17
-
€4,204 EUR
$4,681 USD
View
Most Expensive
B
Brilliant Earth
15634959A · Oct 28
€6,638 EUR
$7,390 USD
View
17 more retailers have this diamond
Prices start from €1,160 EURSave up to €5,478 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
4.05ct Cushion
€1,160 EUR