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Cushion|Lab Grown|IGI

3.08ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG811639829

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

Certificate IGI LG811639829

Diamond specifications and retailer prices

From $609 USD
As of October 29, 2026
Save $5,501 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,110 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.08ct lab-grown cushion diamond

This 3.08ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811639829 or 811639829. Listed at 17 retailers as of October 29, 2026, with prices from $609 to $6,110, a $5,501 spread on the same certified stone. Brilliant Earth lists it at $6,110. 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

3.08
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811639829
Dimensions8.68 × 8.66 × 5.12 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.68 mm8.66 mm3.08 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811639829
Side View
Table 59.0%Crown 38.7°Girdle: STK-THKPavilion 40.2°Culet: LargeDepth 59.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $6,110 USD|Low: $603 USD|High: $6,300 USD|Avg: $1,839 USD|-3.0%
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
October 30, 2026
Retailer 14$609 USD
Retailer 12$780 USD
Retailer 15$955 USD
Retailer 16$1,044 USD
Retailer 9$1,052 USD
Retailer 5$1,125 USD
Retailer 13$1,344 USD
Retailer 2$1,426 USD
Retailer 10$1,455 USD
Retailer 11$1,466 USD
Retailer 8$1,966 USD
Retailer 3$2,174 USD
Retailer 7$2,192 USD
Retailer 4$2,293 USD
Retailer 6$2,822 USD
Brilliant Earth$6,110 USD

32 data points across 16 retailers

17 retailers$609 USD to $6,110 USD

A
Cheapest Retailer
-
$609 USD
Final sale: no returns
A
Retailer 2
-
$780 USD
View
A
Retailer 3
-
$955 USD
View
A
Retailer 4
-
$1,044 USD
View
A
Retailer 5
-
$1,052 USD
£828 GBP
View
A
Retailer 6
-
$1,344 USD
View
A
Retailer 7
-
$1,426 USD
A$2,194 AUD
View
A
Retailer 8
-
$1,455 USD
A$2,238 AUD
View
A
Retailer 9
-
$1,466 USD
ZAR 23,691 ZAR
View
Retailer 10
-
$1,966 USD
£1,548 GBP
View
Price last confirmed 15 days ago
Retailer 11
-
$2,139 USD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
$2,174 USD
View
B+
Retailer 13
-
$2,192 USD
View
B+
Retailer 14
-
$2,293 USD
View
B
Retailer 15
-
$2,822 USD
£2,222 GBP
View
Retailer 16
-
$6,110 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
21221144A · Oct 29
$6,110 USD
View
16 more retailers have this diamond
Prices start from $609 USDSave up to $5,501 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
3.08ct Cushion
$609 USD