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Cushion|Natural|GIA

0.81ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 5436828209

Certificate GIA 5436828209

Diamond specifications and retailer prices

From $1,162 NZD
HK$5,100 HKD
As of October 30, 2026
Save $1,728 NZD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,890 NZD 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 $1,162 to $2,890, a $1,728 spread on the same certified stone. MOH London lists it at $2,890. 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: $2,890 NZD|Low: $1,162 NZD|High: $2,908 NZD|Avg: $2,002 NZD|-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$1,162 NZD
Retailer 11$1,586 NZD
Retailer 3$1,594 NZD
Retailer 10$1,627 NZD
Retailer 4$1,768 NZD
Retailer 7$1,833 NZD
Retailer 5$1,833 NZD
Retailer 2$1,984 NZD
Retailer 6$2,210 NZD
Retailer 8$2,315 NZD
Retailer 12$2,359 NZD
MOH London$2,890 NZD

34 data points across 12 retailers

14 retailers$1,162 NZD to $2,890 NZD

A
Cheapest Retailer
-
$1,162 NZD
HK$5,100 HKD
A
Retailer 2
-
$1,586 NZD
$891 USD
View
A
Retailer 3
-
$1,594 NZD
$895 USD
View
Retailer 4
-
$1,599 NZD
$898 USD
View
Price last confirmed 51 days ago
A
Retailer 5
-
$1,627 NZD
SGD 1,235 SGD
View
A
Retailer 6
-
$1,768 NZD
$993 USD
View
A
Retailer 7
-
$1,833 NZD
£811 GBP
View
A
Retailer 8
-
$1,833 NZD
£811 GBP
View
A
Retailer 9
-
$1,984 NZD
£877 GBP
View
B+
Retailer 10
-
$2,092 NZD
A$1,808 AUD
View
A
Retailer 11
-
$2,210 NZD
€1,182 EUR
View
A
Retailer 12
-
$2,315 NZD
ZAR 21,002 ZAR
View
Retailer 13
-
$2,359 NZD
A$2,038 AUD
View
Price last confirmed 25 days ago
Most Expensive
B+
MOH London
E6EA676CB · Oct 29
$2,890 NZD
£1,278 GBP
View
13 more retailers have this diamond
Prices start from $1,162 NZDSave up to $1,728 NZD

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
$1,162 NZD