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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 €1,156 EUR
$1,291 USD
As of October 31, 2026
Save €5,459 EUR (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €6,615 EUR at Brilliant Earth · As of October 31, 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 19 retailers as of October 31, 2026, with prices from €1,156 to €6,615, a €5,459 spread on the same certified stone. Brilliant Earth lists it at €6,615. 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
Color
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 31
Current: €6,615 EUR|Low: €1,156 EUR|High: €6,615 EUR|Avg: €2,486 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
October 31, 2026
Retailer 9€1,156 EUR
Retailer 5€1,197 EUR
Retailer 11€1,352 EUR
Retailer 6€1,526 EUR
Retailer 10€1,721 EUR
Retailer 15€1,799 EUR
Retailer 8€1,907 EUR
Retailer 12€2,194 EUR
Retailer 13€2,548 EUR
Retailer 2€2,564 EUR
Retailer 3€2,731 EUR
Retailer 7€3,089 EUR
Retailer 4€3,310 EUR
Retailer 14€3,866 EUR
Brilliant Earth€6,615 EUR

39 data points across 15 retailers

19 retailers€1,156 EUR to €6,615 EUR

A
Cheapest Retailer
-
€1,156 EUR
$1,291 USD
Final sale: no returns
Retailer 2
-
€1,197 EUR
$1,337 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
€1,352 EUR
$1,510 USD
View
A
Retailer 4
-
€1,526 EUR
$1,705 USD
View
A
Retailer 5
-
€1,721 EUR
£1,514 GBP
View
A
Retailer 6
-
€1,799 EUR
$2,010 USD
View
A
Retailer 7
-
€1,907 EUR
View
A
Retailer 8
-
€2,194 EUR
$2,451 USD
View
A
Retailer 9
-
€2,548 EUR
ZAR 45,981 ZAR
View
B+
Retailer 10
-
€2,564 EUR
A$4,407 AUD
View
B+
Retailer 11
-
€2,731 EUR
$3,051 USD
View
B+
Retailer 12
-
€3,089 EUR
$3,451 USD
View
Retailer 13
-
€3,301 EUR
£2,904 GBP
View
Price last confirmed 20 days ago
B+
Retailer 14
-
€3,310 EUR
$3,698 USD
View
B+
Retailer 15
-
€3,465 EUR
$3,871 USD
View
B+
Retailer 16
-
€3,613 EUR
$4,037 USD
View
B+
Retailer 17
-
€3,866 EUR
£3,401 GBP
View
B
Retailer 18
-
€4,190 EUR
$4,681 USD
View
Most Expensive
B
Brilliant Earth
15634959A · Oct 31
€6,615 EUR
$7,390 USD
View
18 more retailers have this diamond
Prices start from €1,156 EURSave up to €5,459 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
€1,156 EUR