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Cushion|Lab Grown|IGI

2.56ct D SI2 Cushion Lab Grown Diamond

ID • D/SI2 • IGI LG526272536

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG526272536

Diamond specifications and retailer prices

From $756 AUD
$531 USD
As of October 31, 2026
Save $2,419 AUD (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,175 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG526272536 or 526272536. Listed at 8 retailers as of October 30, 2026, with prices from $756 to $3,175, a $2,419 spread on the same certified stone. Brilliant Earth lists it at $3,175. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.56
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG526272536
Dimensions8.70 × 7.30 × 4.73 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
Top View
8.70 mm7.30 mm2.56 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG526272536
Side View
Table 59.5%Crown 36.3°Girdle: MED-THKPavilion 31.9°Culet: NoneDepth 64.8%

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 31
Current: $3,175 AUD|Low: $515 AUD|High: $4,655 AUD|Avg: $1,884 AUD|-31.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 7$756 AUD
Retailer 5$836 AUD
Retailer 6$1,230 AUD
Retailer 4$1,305 AUD
Retailer 2$1,376 AUD
Retailer 3$3,088 AUD
Brilliant Earth$3,175 AUD

40 data points across 7 retailers

8 retailers$756 AUD to $3,175 AUD

A
Cheapest Retailer
-
$756 AUD
$531 USD
Final sale: no returns
Retailer 2
-
$836 AUD
$587 USD
View
Price last confirmed 15 days ago
B+
Retailer 3
-
$1,230 AUD
$864 USD
View
B+
Retailer 4
-
$1,305 AUD
$917 USD
View
B+
Retailer 5
-
$1,376 AUD
£761 GBP
View
B
Retailer 6
-
$2,114 AUD
HK$11,600 HKD
View
B
Retailer 7
-
$3,088 AUD
£1,708 GBP
View
Most Expensive
B
Brilliant Earth
17972602A · Oct 30
$3,175 AUD
$2,230 USD
View
7 more retailers have this diamond
Prices start from $756 AUDSave up to $2,419 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
$756 AUD