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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 $720 AUD
$506 USD
As of October 29, 2026
Save $4,077 AUD (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,797 AUD 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 $720 to $4,797, a $4,077 spread on the same certified stone. Brilliant Earth lists it at $4,797. 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
Colour
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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Price History

Last verified: Oct 29
Current: $4,797 AUD|Low: $720 AUD|High: $5,380 AUD|Avg: $2,378 AUD|-8.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 3$720 AUD
Retailer 5$1,240 AUD
Retailer 4$1,281 AUD
Retailer 7$1,290 AUD
Retailer 2$1,370 AUD
Retailer 6$2,075 AUD
Retailer 8$2,770 AUD
Retailer 9$4,181 AUD
Brilliant Earth$4,797 AUD

33 data points across 9 retailers

3 retailers$720 AUD to $4,797 AUD

A
Cheapest Retailer
-
$720 AUD
$506 USD
Final sale: no returns
A
Retailer 2
-
$1,370 AUD
£758 GBP
View
Most Expensive
B
Brilliant Earth
19740481A · Oct 29
$4,797 AUD
$3,370 USD
View
2 more retailers have this diamond
Prices start from $720 AUDSave up to $4,077 AUD

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
$720 AUD