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Cushion|Lab Grown|IGI

4.08ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG815608331

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815608331

Diamond specifications and retailer prices

From $694 USD
As of October 29, 2026
Save $3,826 USD (85%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,520 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815608331 or 815608331. Listed at 4 retailers as of October 28, 2026, with prices from $694 to $4,520, a $3,826 spread on the same certified stone. Brilliant Earth lists it at $4,520. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815608331
Dimensions11.27 × 8.24 × 5.60 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.27 mm8.24 mm4.08 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815608331
Side View
Table 61.0%Crown 36.3°Girdle: MED-THKPavilion 35.3°Culet: NoneDepth 68.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $4,520 USD|Low: $694 USD|High: $5,500 USD|Avg: $2,016 USD|-17.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2$694 USD
Retailer 4$950 USD
Retailer 3$1,186 USD
Retailer 7$1,234 USD
Retailer 5$1,935 USD
Retailer 6$2,666 USD
Brilliant Earth$4,520 USD

37 data points across 7 retailers

4 retailers$694 USD to $4,520 USD

A
Cheapest Retailer
-
$694 USD
Final sale: no returns
A
Retailer 2
-
$1,186 USD
£934 GBP
View
Retailer 3
-
$2,666 USD
View
Price last confirmed 43 days ago
Most Expensive
B
Brilliant Earth
21223942A · Oct 28
$4,520 USD
View
3 more retailers have this diamond
Prices start from $694 USDSave up to $3,826 USD

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
$694 USD