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Cushion|Lab Grown|IGI

3.40ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG799610662

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG799610662

Diamond specifications and retailer prices

From $506 USD
As of October 29, 2026
Save $2,864 USD (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,370 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.4ct lab-grown cushion diamond

This 3.4ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799610662 or 799610662. Listed at 3 retailers as of October 29, 2026, with prices from $506 to $3,370, a $2,864 spread on the same certified stone. Brilliant Earth lists it at $3,370. 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

3.40
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799610662
Dimensions10.15 × 7.81 × 5.31 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.15 mm7.81 mm3.40 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799610662
Side View
Table 64.0%Crown 37°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
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: $3,370 USD|Low: $506 USD|High: $3,780 USD|Avg: $1,675 USD|-8.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3$506 USD
Retailer 5$871 USD
Retailer 4$900 USD
Retailer 7$906 USD
Retailer 2$960 USD
Retailer 6$1,458 USD
Retailer 8$1,946 USD
Retailer 9$2,938 USD
Brilliant Earth$3,370 USD

32 data points across 9 retailers

3 retailers$506 USD to $3,370 USD

A
Cheapest Retailer
-
$506 USD
Final sale: no returns
A
Retailer 2
-
$960 USD
£756 GBP
View
Most Expensive
B
Brilliant Earth
19740481A · Oct 29
$3,370 USD
View
2 more retailers have this diamond
Prices start from $506 USDSave up to $2,864 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
3.40ct Cushion
$506 USD