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Cushion|Lab Grown|IGI

2.56ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG778657731

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG778657731

Diamond specifications and retailer prices

From $620 AUD
HK$3,400 HKD
As of October 30, 2026
Save $4,420 AUD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,040 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 LG778657731 or 778657731. Listed at 10 retailers as of October 30, 2026, with prices from $620 to $5,040, a $4,420 spread on the same certified stone. Brilliant Earth lists it at $5,040. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778657731
Dimensions9.64 × 7.48 × 4.52 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.64 mm7.48 mm2.56 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778657731
Side View
Table 65.0%Crown 31.4°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,040 AUD|Low: $620 AUD|High: $5,424 AUD|Avg: $1,853 AUD|-7.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 7$620 AUD
Retailer 3$755 AUD
Retailer 9$988 AUD
Retailer 2$993 AUD
Retailer 4$1,000 AUD
Retailer 8$1,337 AUD
Retailer 10$1,868 AUD
Retailer 5$2,251 AUD
Retailer 6$2,854 AUD
Brilliant Earth$5,040 AUD

40 data points across 10 retailers

10 retailers$620 AUD to $5,040 AUD

A
Cheapest Retailer
-
$620 AUD
HK$3,400 HKD
B+
Retailer 2
-
$755 AUD
$530 USD
View
A
Retailer 3
-
$988 AUD
$694 USD
View
A
Retailer 4
-
$993 AUD
£549 GBP
View
A
Retailer 5
-
$1,000 AUD
€669 EUR
View
A
Retailer 6
-
$1,337 AUD
$939 USD
View
B+
Retailer 7
-
$1,868 AUD
$1,312 USD
View
B+
Retailer 8
-
$2,251 AUD
£1,245 GBP
View
Retailer 9
-
$2,854 AUD
$2,005 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
18308400A · Oct 30
$5,040 AUD
$3,540 USD
View
9 more retailers have this diamond
Prices start from $620 AUDSave up to $4,420 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
$620 AUD