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Cushion|Natural|GIA

0.81ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2157441507

Certificate GIA 2157441507

Diamond specifications and retailer prices

From $1,273 CAD
$911 USD
As of October 30, 2026
Save $556 CAD (30%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,829 CAD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 0.81ct natural cushion diamond

This 0.81ct natural cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2157441507. Listed at 2 retailers as of October 30, 2026, with prices from $1,273 to $1,829, a $556 spread on the same certified stone. 77 Diamonds lists it at $1,829. 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

0.81
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2157441507
Dimensions5.54 × 5.27 × 3.34 mm
L/W Ratio1.05
Top View
5.54 mm5.27 mm0.81 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2157441507
Side View
Table 58.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,829 CAD|Low: $1,256 CAD|High: $1,832 CAD|Avg: $1,544 CAD|+2.2%
77 Diamonds
Retailer 2
October 31, 2026
Retailer 2$1,273 CAD
77 Diamonds$1,829 CAD

33 data points across 2 retailers

2 retailers$1,273 CAD to $1,829 CAD

A
Cheapest Retailer
-
$1,273 CAD
$911 USD
Most Expensive
B+
77 Diamonds
CUSMBREDP6EGZ · Oct 31
$1,829 CAD
£1,031 GBP
View
1 more retailer has this diamond
Prices start from $1,273 CADSave up to $556 CAD

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
0.81ct Cushion
$1,273 CAD