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Cushion|Lab Grown|IGI

4.05ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG757525621

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

Certificate IGI LG757525621

Diamond specifications and retailer prices

From €841 EUR
$940 USD
As of October 29, 2026
Save €5,263 EUR (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €6,105 EUR at Brilliant Earth · As of October 29, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG757525621 or 757525621. Listed at 12 retailers as of October 29, 2026, with prices from €841 to €6,105, a €5,263 spread on the same certified stone. Brilliant Earth lists it at €6,105. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757525621
Dimensions9.39 × 9.16 × 6.13 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.39 mm9.16 mm4.05 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757525621
Side View
Table 62.0%Crown 36.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 66.9%

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: €6,105 EUR|Low: €677 EUR|High: €6,597 EUR|Avg: €2,091 EUR|-7.5%
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
October 30, 2026
Retailer 9€677 EUR
Retailer 10€841 EUR
Retailer 13€1,059 EUR
Retailer 2€1,092 EUR
Retailer 12€1,113 EUR
Retailer 6€1,146 EUR
Retailer 4€1,706 EUR
Retailer 3€2,128 EUR
Retailer 11€2,329 EUR
Retailer 5€2,356 EUR
Retailer 8€2,779 EUR
Retailer 7€2,892 EUR
Brilliant Earth€6,105 EUR

38 data points across 13 retailers

12 retailers€841 EUR to €6,105 EUR

Retailer 1
-
€677 EUR
£595 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
€841 EUR
$940 USD
View
A
Retailer 3
-
€1,059 EUR
$1,183 USD
View
A
Retailer 4
-
€1,092 EUR
£960 GBP
View
A
Retailer 5
-
€1,113 EUR
$1,244 USD
View
A
Retailer 6
-
€1,146 EUR
View
A
Retailer 7
-
€1,706 EUR
$1,906 USD
View
B+
Retailer 8
-
€2,128 EUR
£1,872 GBP
View
B+
Retailer 9
-
€2,329 EUR
$2,602 USD
View
Retailer 10
-
€2,356 EUR
$2,632 USD
View
Price last confirmed 13 days ago
B+
Retailer 11
-
€2,892 EUR
£2,544 GBP
View
Most Expensive
B
Brilliant Earth
17039398A · Oct 29
€6,105 EUR
$6,820 USD
View
11 more retailers have this diamond
Prices start from €841 EURSave up to €5,263 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
€841 EUR