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Cushion|Lab Grown|IGI

2.56ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG687519379

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG687519379

Diamond specifications and retailer prices

From $615 AUD
$432 USD
As of October 25, 2026
Save $4,368 AUD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,983 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.56ct lab-grown cushion diamond

This 2.56ct lab-grown cushion sits in the two to three carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG687519379 or 687519379. Listed at 13 retailers as of October 25, 2026, with prices from $615 to $4,983, a $4,368 spread on the same certified stone. Brilliant Earth lists it at $4,983. 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

2.56
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687519379
Dimensions8.02 × 7.90 × 5.23 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.02 mm7.90 mm2.56 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687519379
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $4,983 AUD|Low: $540 AUD|High: $6,549 AUD|Avg: $1,863 AUD|-23.9%
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
October 31, 2026
Retailer 10$615 AUD
Retailer 11$636 AUD
Retailer 12$854 AUD
Retailer 7$909 AUD
Retailer 5$987 AUD
Retailer 2$1,104 AUD
Retailer 13$1,145 AUD
Retailer 3$1,351 AUD
Retailer 6$1,953 AUD
Retailer 4$2,034 AUD
Retailer 14$2,320 AUD
Retailer 8$2,414 AUD
Retailer 9$2,890 AUD
Brilliant Earth$4,983 AUD

38 data points across 14 retailers

13 retailers$615 AUD to $4,983 AUD

A
Cheapest Retailer
-
$615 AUD
$432 USD
Retailer 2
-
$636 AUD
£352 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$854 AUD
$600 USD
View
A
Retailer 4
-
$909 AUD
€608 EUR
View
B+
Retailer 5
-
$987 AUD
$693 USD
View
A
Retailer 6
-
$1,104 AUD
£611 GBP
View
A
Retailer 7
-
$1,145 AUD
$804 USD
View
A
Retailer 8
-
$1,351 AUD
$949 USD
View
Retailer 9
-
$2,034 AUD
$1,429 USD
View
Price last confirmed 13 days ago
B
Retailer 10
-
$2,320 AUD
$1,630 USD
View
B
Retailer 11
-
$2,414 AUD
£1,335 GBP
View
Retailer 12
-
$2,890 AUD
$2,030 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
13362158A · Oct 30
$4,983 AUD
$3,500 USD
View
12 more retailers have this diamond
Prices start from $615 AUDSave up to $4,368 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
2.56ct Cushion
$615 AUD