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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 $2,426 NZD
$1,365 USD
As of November 1, 2026
Save $2,332 NZD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,758 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 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 $2,426 to $4,758, a $2,332 spread on the same certified stone. MOH London lists it at $4,758. 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: $4,758 NZD|Low: $2,426 NZD|High: $4,790 NZD|Avg: $3,259 NZD|+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$2,426 NZD
Retailer 5$2,559 NZD
Retailer 9$2,737 NZD
Retailer 7$2,767 NZD
Retailer 6$2,915 NZD
Retailer 2$3,099 NZD
Retailer 8$3,603 NZD
Retailer 3$3,779 NZD
Retailer 4$4,121 NZD
MOH London$4,758 NZD

42 data points across 10 retailers

12 retailers$2,426 NZD to $4,758 NZD

A
Cheapest Retailer
-
$2,426 NZD
$1,365 USD
Retailer 2
-
$2,559 NZD
$1,440 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$2,563 NZD
$1,442 USD
View
A
Retailer 4
-
$2,737 NZD
$1,540 USD
View
B+
Retailer 5
-
$2,767 NZD
$1,557 USD
View
B+
Retailer 6
-
$2,915 NZD
$1,640 USD
View
B+
Retailer 7
-
$3,009 NZD
$1,693 USD
View
B+
Retailer 8
-
$3,099 NZD
£1,373 GBP
View
Retailer 9
-
$3,603 NZD
A$3,119 AUD
View
Price last confirmed 32 days ago
B+
Retailer 10
-
$3,779 NZD
€2,025 EUR
View
B+
Retailer 11
-
$4,121 NZD
ZAR 37,460 ZAR
View
Most Expensive
B
MOH London
F16228E30 · Oct 29
$4,758 NZD
£2,108 GBP
View
11 more retailers have this diamond
Prices start from $2,426 NZDSave up to $2,332 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
$2,426 NZD