CaratHunter
Plans
Cushion|Natural|GIA

0.81ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5436828209

Certificate GIA 5436828209

Diamond specifications and retailer prices

From $929 AUD
HK$5,100 HKD
As of October 30, 2026
Save $1,381 AUD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,310 AUD 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 $929 to $2,310, a $1,381 spread on the same certified stone. MOH London lists it at $2,310. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,310 AUD|Low: $929 AUD|High: $2,325 AUD|Avg: $1,601 AUD|-0.6%
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 30, 2026
Retailer 9$929 AUD
Retailer 11$1,268 AUD
Retailer 3$1,274 AUD
Retailer 10$1,301 AUD
Retailer 4$1,413 AUD
Retailer 7$1,465 AUD
Retailer 5$1,466 AUD
Retailer 2$1,586 AUD
Retailer 6$1,767 AUD
Retailer 8$1,850 AUD
Retailer 12$1,886 AUD
MOH London$2,310 AUD

34 data points across 12 retailers

14 retailers$929 AUD to $2,310 AUD

A
Cheapest Retailer
-
$929 AUD
HK$5,100 HKD
A
Retailer 2
-
$1,268 AUD
$891 USD
View
A
Retailer 3
-
$1,274 AUD
$895 USD
View
Retailer 4
-
$1,279 AUD
$898 USD
View
Price last confirmed 51 days ago
A
Retailer 5
-
$1,301 AUD
SGD 1,235 SGD
View
A
Retailer 6
-
$1,413 AUD
$993 USD
View
A
Retailer 7
-
$1,465 AUD
£811 GBP
View
A
Retailer 8
-
$1,466 AUD
£811 GBP
View
A
Retailer 9
-
$1,586 AUD
£877 GBP
View
B+
Retailer 10
-
$1,673 AUD
View
A
Retailer 11
-
$1,767 AUD
€1,182 EUR
View
A
Retailer 12
-
$1,850 AUD
ZAR 21,002 ZAR
View
Retailer 13
-
$1,886 AUD
View
Price last confirmed 25 days ago
Most Expensive
B+
MOH London
E6EA676CB · Oct 29
$2,310 AUD
£1,278 GBP
View
13 more retailers have this diamond
Prices start from $929 AUDSave up to $1,381 AUD

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
$929 AUD