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Cushion|Natural|GIA

0.81ct D SI1 Cushion Natural Diamond

D/SI1 • GIA 6551057591

Certificate GIA 6551057591

Diamond specifications and retailer prices

From $1,294 CAD
$926 USD
As of October 30, 2026
Save $1,288 CAD (50%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,581 CAD at MOH London · As of October 29, 2026
View at MOH London

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) and certified by GIA 6551057591. Listed at 3 retailers as of October 29, 2026, with prices from $1,294 to $2,581, a $1,288 spread on the same certified stone. MOH London lists it at $2,581. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.81
Carat
D
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551057591
Dimensions5.45 × 5.25 × 3.57 mm
L/W Ratio1.04
Top View
5.45 mm5.25 mm0.81 ctD / SI1
OriginNatural
PolishExcellent
SymmetryGood
FluorescenceFaint
CertificateGIA 6551057591
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,581 CAD|Low: $1,143 CAD|High: $3,044 CAD|Avg: $2,081 CAD|-14.3%
MOH London
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$1,294 CAD
Retailer 2$1,971 CAD
MOH London$2,581 CAD

23 data points across 3 retailers

3 retailers$1,294 CAD to $2,581 CAD

B+
Cheapest Retailer
-
$1,294 CAD
$926 USD
Final sale: no returns
B+
Retailer 2
-
$1,971 CAD
€1,344 EUR
View
Most Expensive
B
MOH London
6CFAAD471 · Oct 29
$2,581 CAD
£1,455 GBP
View
2 more retailers have this diamond
Prices start from $1,294 CADSave up to $1,288 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.

B+
0.81ct Cushion
$1,294 CAD