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Cushion|Natural|GIA

0.81ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6435053814

Certificate GIA 6435053814

Diamond specifications and retailer prices

From $1,745 SGD
$1,365 USD
As of November 1, 2026
Save $1,677 SGD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,422 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 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 6435053814. Listed at 12 retailers as of October 29, 2026, with prices from $1,745 to $3,422, a $1,677 spread on the same certified stone. MOH London lists it at $3,422. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle33.3°
OriginNatural
Grading LabGIA
CertificateGIA 6435053814
Dimensions5.79 × 5.04 × 3.36 mm
L/W Ratio1.15
Top View
5.79 mm5.04 mm0.81 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435053814
Side View
Table 59.0%Crown 33.6°Girdle: MED-VTKPavilion 33.3°Culet: NoneDepth 66.7%

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: Nov 1
Current: $3,422 SGD|Low: $1,745 SGD|High: $3,445 SGD|Avg: $2,344 SGD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10$1,745 SGD
Retailer 5$1,841 SGD
Retailer 9$1,969 SGD
Retailer 7$1,990 SGD
Retailer 6$2,097 SGD
Retailer 2$2,229 SGD
Retailer 8$2,592 SGD
Retailer 3$2,718 SGD
Retailer 4$2,964 SGD
MOH London$3,422 SGD

42 data points across 10 retailers

12 retailers$1,745 SGD to $3,422 SGD

A
Cheapest Retailer
-
$1,745 SGD
$1,365 USD
Retailer 2
-
$1,841 SGD
$1,440 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,843 SGD
$1,442 USD
View
A
Retailer 4
-
$1,969 SGD
$1,540 USD
View
B+
Retailer 5
-
$1,990 SGD
$1,557 USD
View
B+
Retailer 6
-
$2,097 SGD
$1,640 USD
View
B+
Retailer 7
-
$2,164 SGD
$1,693 USD
View
B+
Retailer 8
-
$2,229 SGD
£1,373 GBP
View
Retailer 9
-
$2,592 SGD
A$3,119 AUD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
$2,718 SGD
€2,025 EUR
View
B+
Retailer 11
-
$2,964 SGD
ZAR 37,460 ZAR
View
Most Expensive
B
MOH London
F16228E30 · Oct 29
$3,422 SGD
£2,108 GBP
View
11 more retailers have this diamond
Prices start from $1,745 SGDSave up to $1,677 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
$1,745 SGD