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Cushion|Natural|GIA

0.81ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2136011783

Certificate GIA 2136011783

Diamond specifications and retailer prices

From $3,629 CAD
$2,598 USD
As of October 31, 2026
Save $1,759 CAD (33%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,389 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 2136011783. Listed at 7 retailers as of October 31, 2026, with prices from $3,629 to $5,389, a $1,759 spread on the same certified stone. 77 Diamonds lists it at $5,389. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2136011783
Dimensions5.45 × 5.14 × 3.29 mm
L/W Ratio1.06
Culet sizeNone
Top View
5.45 mm5.14 mm0.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2136011783
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 64.1%

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 31
Current: $5,389 CAD|Low: $3,299 CAD|High: $5,409 CAD|Avg: $4,556 CAD|+2.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2$3,629 CAD
Retailer 3$4,470 CAD
Retailer 4$4,708 CAD
Retailer 5$4,708 CAD
77 Diamonds$5,389 CAD

36 data points across 5 retailers

7 retailers$3,629 CAD to $5,389 CAD

B+
Cheapest Retailer
-
$3,629 CAD
$2,598 USD
Final sale: no returns
B
Retailer 2
-
$3,663 CAD
$2,622 USD
View
B
Retailer 3
-
$4,470 CAD
$3,200 USD
View
B
Retailer 4
-
$4,708 CAD
$3,370 USD
View
B
Retailer 5
-
$4,708 CAD
$3,370 USD
View
B
Retailer 6
-
$4,875 CAD
$3,490 USD
View
Most Expensive
B
77 Diamonds
CUSMBYMSYME5M · Oct 31
$5,389 CAD
£3,037 GBP
View
6 more retailers have this diamond
Prices start from $3,629 CADSave up to $1,759 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
$3,629 CAD