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Cushion|Lab Grown|IGI

2.56ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • IGI LG547249266

Certificate IGI LG547249266

Diamond specifications and retailer prices

From $1,690 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $1,690 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG547249266 or 547249266. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG547249266
Dimensions8.57 × 7.67 × 5.11 mm
L/W Ratio1.12
Top View
8.57 mm7.67 mm2.56 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547249266
Side View
Table 67.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 67.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $1,690 USD|Low: $1,690 USD|High: $2,820 USD|Avg: $2,255 USD|-40.1%
October 30, 2026
Brilliant Earth$1,690 USD

2 data points across 1 retailer

1 retailer

B+
Brilliant Earth
6262368Y · Nov 2
$1,690 USD
View

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.

B+
2.56ct Cushion
$1,690 USD