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Cushion|Lab Grown|IGI

5.78ct E VVS2 Cushion Lab Grown Diamond

EX • E/VVS2 • IGI LG847680364

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG847680364

Diamond specifications and retailer prices

From $2,617 AUD
$1,838 USD
As of October 28, 2026
Save $16,460 AUD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $19,076 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.78ct lab-grown cushion diamond

This 5.78ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG847680364 or 847680364. Listed at 17 retailers as of October 28, 2026, with prices from $2,617 to $19,076, a $16,460 spread on the same certified stone. Brilliant Earth lists it at $19,076. 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

5.78
Carat
E
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847680364
Dimensions13.17 × 9.36 × 6.11 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.17 mm9.36 mm5.78 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847680364
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 34.6°Culet: NoneDepth 65.3%

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 28
Current: $19,076 AUD|Low: $2,617 AUD|High: $19,076 AUD|Avg: $6,573 AUD
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
Retailer 17
October 29, 2026
Retailer 6$2,617 AUD
Retailer 12$2,904 AUD
Retailer 14$2,954 AUD
Retailer 5$3,256 AUD
Retailer 2$3,842 AUD
Retailer 13$3,875 AUD
Retailer 10$4,300 AUD
Retailer 16$4,430 AUD
Retailer 15$5,487 AUD
Retailer 4$5,619 AUD
Retailer 17$6,698 AUD
Retailer 7$6,974 AUD
Retailer 11$7,785 AUD
Retailer 8$7,866 AUD
Retailer 9$9,519 AUD
Retailer 3$13,724 AUD
Brilliant Earth$19,076 AUD

8 data points across 17 retailers

17 retailers$2,617 AUD to $19,076 AUD

A
Cheapest Retailer
-
$2,617 AUD
$1,838 USD
Final sale: no returns
A
Retailer 2
-
$2,904 AUD
£1,606 GBP
View
A
Retailer 3
-
$2,954 AUD
$2,075 USD
View
A
Retailer 4
-
$3,256 AUD
$2,287 USD
View
A
Retailer 5
-
$3,842 AUD
£2,125 GBP
View
A
Retailer 6
-
$3,875 AUD
$2,722 USD
View
A
Retailer 7
-
$4,300 AUD
€2,877 EUR
View
A
Retailer 8
-
$4,430 AUD
$3,112 USD
View
B+
Retailer 9
-
$5,487 AUD
ZAR 62,271 ZAR
View
B+
Retailer 10
-
$5,619 AUD
£3,108 GBP
View
B+
Retailer 11
-
$6,698 AUD
$4,705 USD
View
B+
Retailer 12
-
$6,974 AUD
$4,899 USD
View
B
Retailer 13
-
$7,785 AUD
£4,306 GBP
View
B+
Retailer 14
-
$7,866 AUD
$5,525 USD
View
B
Retailer 15
-
$9,519 AUD
$6,686 USD
View
B
Retailer 16
-
$13,724 AUD
$9,640 USD
View
Most Expensive
B
Brilliant Earth
22239772A · Oct 29
$19,076 AUD
$13,400 USD
View
16 more retailers have this diamond
Prices start from $2,617 AUDSave up to $16,460 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
5.78ct Cushion
$2,617 AUD