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Cushion|Lab Grown|IGI

4.06ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG788601262

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG788601262

Diamond specifications and retailer prices

From €699 EUR
HK$6,100 HKD
As of October 30, 2026
Save €2,971 EUR (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,903 EUR at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788601262 or 788601262. Listed at 18 retailers as of October 29, 2026, with a 425% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.06
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788601262
Dimensions9.02 × 9.34 × 5.88 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.02 mm9.34 mm4.06 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788601262
Side View
Table 63.0%Crown 33.8°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 65.2%

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 30
Current: €3,670 EUR|Low: €599 EUR|High: €3,786 EUR|Avg: €1,851 EUR|-3.1%
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
Retailer 18
October 31, 2026
Retailer 6€599 EUR
Retailer 3€617 EUR
Retailer 13€699 EUR
Retailer 4€779 EUR
Retailer 9€943 EUR
Retailer 14€961 EUR
Retailer 18€1,018 EUR
Retailer 15€1,032 EUR
Retailer 12€1,484 EUR
Retailer 8€1,716 EUR
Retailer 10€1,937 EUR
Retailer 2€2,030 EUR
Retailer 5€2,119 EUR
Retailer 7€2,778 EUR
Retailer 17€2,784 EUR
Retailer 11€2,834 EUR
Retailer 16€2,885 EUR
Brilliant Earth€3,670 EUR

39 data points across 18 retailers

18 retailers€699 EUR to €3,670 EUR

Retailer 1
-
€617 EUR
£543 GBP
Price last confirmed 18 days ago
A
Retailer 2
-
€699 EUR
HK$6,100 HKD
View
A
Retailer 3
-
€779 EUR
$870 USD
View
A
Retailer 4
-
€943 EUR
$1,054 USD
View
A
Retailer 5
-
€961 EUR
View
B+
Retailer 6
-
€1,018 EUR
$1,137 USD
View
A
Retailer 7
-
€1,032 EUR
£908 GBP
View
B+
Retailer 8
-
€1,484 EUR
$1,658 USD
View
B+
Retailer 9
-
€1,716 EUR
$1,917 USD
View
Retailer 10
-
€1,937 EUR
£1,704 GBP
View
Price last confirmed 18 days ago
B+
Retailer 11
-
€2,030 EUR
SGD 3,065 SGD
View
B+
Retailer 12
-
€2,119 EUR
$2,367 USD
View
Retailer 13
-
€2,778 EUR
A$4,774 AUD
View
Price last confirmed 23 days ago
Retailer 14
-
€2,784 EUR
$3,110 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
€2,834 EUR
$3,166 USD
View
B+
Retailer 16
-
€2,885 EUR
£2,538 GBP
View
B
Retailer 17
-
€3,670 EUR
$4,100 USD
View
Most Expensive
Brilliant Earth
18476621A · Oct 17
€3,903 EUR
$4,360 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from €699 EURSave up to €2,971 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
4.06ct Cushion
€699 EUR