Cushion|Natural|GIA

0.81ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5436828209

Certificate GIA 5436828209

Diamond specifications and retailer prices

From $914 CAD
HK$5,100 HKD
As of October 29, 2026
Save $1,358 CAD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,272 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 E 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 5436828209. Listed at 14 retailers as of October 29, 2026, with prices from $914 to $2,272, a $1,358 spread on the same certified stone. MOH London lists it at $2,272. 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
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5436828209
Dimensions5.21 × 4.77 × 3.56 mm
L/W Ratio1.09
Top View
5.21 mm4.77 mm0.81 ctE / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 5436828209
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 74.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,272 CAD|Low: $914 CAD|High: $2,286 CAD|Avg: $1,577 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9$914 CAD
Retailer 11$1,247 CAD
Retailer 3$1,253 CAD
Retailer 10$1,279 CAD
Retailer 4$1,390 CAD
Retailer 2$1,437 CAD
Retailer 7$1,441 CAD
Retailer 5$1,564 CAD
Retailer 6$1,737 CAD
Retailer 8$1,820 CAD
Retailer 12$1,854 CAD
MOH London$2,272 CAD

33 data points across 12 retailers

14 retailers$914 CAD to $2,272 CAD

A
Cheapest Retailer
-
$914 CAD
HK$5,100 HKD
A
Retailer 2
-
$1,247 CAD
$891 USD
View
A
Retailer 3
-
$1,253 CAD
$895 USD
View
A
Retailer 4
-
$1,257 CAD
$898 USD
View
Price last confirmed 50 days ago
A
Retailer 5
-
$1,279 CAD
SGD 1,235 SGD
View
A
Retailer 6
-
$1,390 CAD
$993 USD
View
A
Retailer 7
-
$1,437 CAD
£808 GBP
View
A
Retailer 8
-
$1,441 CAD
£811 GBP
View
A
Retailer 9
-
$1,564 CAD
£880 GBP
View
B+
Retailer 10
-
$1,645 CAD
A$1,808 AUD
View
A
Retailer 11
-
$1,737 CAD
€1,182 EUR
View
A
Retailer 12
-
$1,820 CAD
ZAR 21,002 ZAR
View
B+
Retailer 13
-
$1,854 CAD
A$2,038 AUD
View
Price last confirmed 24 days ago
Most Expensive
B+
MOH London
E6EA676CB · Oct 29
$2,272 CAD
£1,278 GBP
View
13 more retailers have this diamond
Prices start from $914 CADSave up to $1,358 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
$914 CAD