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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 $1,838 USD
As of October 28, 2026
Save $11,562 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $13,400 USD 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 $1,838 to $13,400, a $11,562 spread on the same certified stone. Brilliant Earth lists it at $13,400. 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
Color
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: $13,400 USD|Low: $1,838 USD|High: $13,400 USD|Avg: $4,617 USD
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$1,838 USD
Retailer 12$2,040 USD
Retailer 14$2,075 USD
Retailer 5$2,287 USD
Retailer 2$2,699 USD
Retailer 13$2,722 USD
Retailer 10$3,021 USD
Retailer 16$3,112 USD
Retailer 15$3,855 USD
Retailer 4$3,947 USD
Retailer 17$4,705 USD
Retailer 7$4,899 USD
Retailer 11$5,469 USD
Retailer 8$5,525 USD
Retailer 9$6,686 USD
Retailer 3$9,640 USD
Brilliant Earth$13,400 USD

8 data points across 17 retailers

17 retailers$1,838 USD to $13,400 USD

A
Cheapest Retailer
-
$1,838 USD
Final sale: no returns
A
Retailer 2
-
$2,040 USD
£1,606 GBP
View
A
Retailer 3
-
$2,075 USD
View
A
Retailer 4
-
$2,287 USD
View
A
Retailer 5
-
$2,699 USD
£2,125 GBP
View
A
Retailer 6
-
$2,722 USD
View
A
Retailer 7
-
$3,021 USD
€2,877 EUR
View
A
Retailer 8
-
$3,112 USD
View
B+
Retailer 9
-
$3,855 USD
ZAR 62,271 ZAR
View
B+
Retailer 10
-
$3,947 USD
£3,108 GBP
View
B+
Retailer 11
-
$4,705 USD
View
B+
Retailer 12
-
$4,899 USD
View
B
Retailer 13
-
$5,469 USD
£4,306 GBP
View
B+
Retailer 14
-
$5,525 USD
View
B
Retailer 15
-
$6,686 USD
View
B
Retailer 16
-
$9,640 USD
View
Most Expensive
B
Brilliant Earth
22239772A · Oct 29
$13,400 USD
View
16 more retailers have this diamond
Prices start from $1,838 USDSave up to $11,562 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
5.78ct Cushion
$1,838 USD