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Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6561091209

Certificate GIA 6561091209

Diamond specifications and retailer prices

From $5,018 NZD
$2,828 USD
As of November 1, 2026
Save $4,352 NZD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $9,369 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1ct natural cushion diamond

This 1ct natural cushion sits in the classic 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 6561091209. Listed at 14 retailers as of November 1, 2026, with prices from $5,018 to $9,369, a $4,352 spread on the same certified stone. MOH London lists it at $9,369. 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

1.00
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561091209
Dimensions5.60 × 5.47 × 3.77 mm
L/W Ratio1.02
Top View
5.60 mm5.47 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561091209
Side View
Table 64.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $9,369 NZD|Low: $4,739 NZD|High: $9,482 NZD|Avg: $5,987 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12$5,018 NZD
Retailer 9$5,021 NZD
Retailer 10$5,106 NZD
Retailer 4$5,115 NZD
Retailer 8$5,119 NZD
Retailer 11$5,170 NZD
Retailer 5$5,465 NZD
Retailer 2$5,854 NZD
Retailer 3$5,985 NZD
Retailer 7$6,558 NZD
Retailer 6$6,886 NZD
MOH London$9,369 NZD

37 data points across 12 retailers

14 retailers$5,018 NZD to $9,369 NZD

B+
Cheapest Retailer
-
$5,018 NZD
$2,828 USD
B+
Retailer 2
-
$5,021 NZD
$2,830 USD
View
B+
Retailer 3
-
$5,106 NZD
$2,878 USD
View
B+
Retailer 4
-
$5,115 NZD
$2,883 USD
View
B+
Retailer 5
-
$5,119 NZD
$2,885 USD
View
B+
Retailer 6
-
$5,170 NZD
$2,914 USD
View
Final sale: no returns
B+
Retailer 7
-
$5,465 NZD
£2,425 GBP
View
B+
Retailer 8
-
$5,810 NZD
SGD 4,425 SGD
View
B+
Retailer 9
-
$5,854 NZD
£2,598 GBP
View
B+
Retailer 10
-
$5,856 NZD
$3,301 USD
View
Retailer 11
-
$5,985 NZD
A$5,189 AUD
View
Price last confirmed 25 days ago
B
Retailer 12
-
$6,558 NZD
€3,520 EUR
View
B
Retailer 13
-
$6,886 NZD
ZAR 62,697 ZAR
View
Most Expensive
B
MOH London
D9960B846 · Nov 1
$9,369 NZD
£4,158 GBP
View
13 more retailers have this diamond
Prices start from $5,018 NZDSave up to $4,352 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.

B+
1.00ct Cushion
$5,018 NZD