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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 $837 SGD
HK$5,100 HKD
As of October 29, 2026
Save $1,244 SGD (60%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,080 SGD 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 $837 to $2,080, a $1,244 spread on the same certified stone. MOH London lists it at $2,080. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,080 SGD|Low: $837 SGD|High: $2,093 SGD|Avg: $1,445 SGD|-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$837 SGD
Retailer 11$1,142 SGD
Retailer 3$1,147 SGD
Retailer 10$1,171 SGD
Retailer 4$1,273 SGD
Retailer 2$1,316 SGD
Retailer 7$1,319 SGD
Retailer 5$1,432 SGD
Retailer 6$1,591 SGD
Retailer 8$1,666 SGD
Retailer 12$1,698 SGD
MOH London$2,080 SGD

33 data points across 12 retailers

14 retailers$837 SGD to $2,080 SGD

A
Cheapest Retailer
-
$837 SGD
HK$5,100 HKD
A
Retailer 2
-
$1,142 SGD
$891 USD
View
A
Retailer 3
-
$1,147 SGD
$895 USD
View
A
Retailer 4
-
$1,151 SGD
$898 USD
View
Price last confirmed 50 days ago
A
Retailer 5
-
$1,171 SGD
View
A
Retailer 6
-
$1,273 SGD
$993 USD
View
A
Retailer 7
-
$1,316 SGD
£808 GBP
View
A
Retailer 8
-
$1,319 SGD
£811 GBP
View
A
Retailer 9
-
$1,432 SGD
£880 GBP
View
B+
Retailer 10
-
$1,506 SGD
A$1,808 AUD
View
A
Retailer 11
-
$1,591 SGD
€1,182 EUR
View
A
Retailer 12
-
$1,666 SGD
ZAR 21,002 ZAR
View
B+
Retailer 13
-
$1,698 SGD
A$2,038 AUD
View
Price last confirmed 24 days ago
Most Expensive
B+
MOH London
E6EA676CB · Oct 29
$2,080 SGD
£1,278 GBP
View
13 more retailers have this diamond
Prices start from $837 SGDSave up to $1,244 SGD

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
$837 SGD