Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2231437647

Certificate GIA 2231437647

Diamond specifications and retailer prices

From $5,358 NZD
$3,020 USD
As of November 1, 2026
Save $5,041 NZD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,399 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 2231437647. Listed at 14 retailers as of November 1, 2026, with prices from $5,358 to $10,399, a $5,041 spread on the same certified stone. MOH London lists it at $10,399. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231437647
Dimensions7.84 × 5.12 × 3.57 mm
L/W Ratio1.53
Cert comments
NO BGM
Key to symbols
Feather, Cavity, Cloud
Top View
7.84 mm5.12 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231437647
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 69.7%

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: $10,399 NZD|Low: $4,663 NZD|High: $10,525 NZD|Avg: $6,438 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 8$4,663 NZD
Retailer 4$5,358 NZD
Retailer 12$5,520 NZD
Retailer 10$5,740 NZD
Retailer 3$5,988 NZD
Retailer 6$6,066 NZD
Retailer 9$6,219 NZD
Retailer 5$6,499 NZD
Retailer 11$6,668 NZD
Retailer 2$7,279 NZD
Retailer 7$7,644 NZD
MOH London$10,399 NZD

34 data points across 12 retailers

14 retailers$5,358 NZD to $10,399 NZD

Retailer 1
-
$4,663 NZD
₹250,302 INR
Price last confirmed 12 days ago
Retailer 2
-
$5,101 NZD
$2,875 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
$5,358 NZD
$3,020 USD
View
B+
Retailer 4
-
$5,520 NZD
$3,111 USD
View
B+
Retailer 5
-
$5,740 NZD
$3,235 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,988 NZD
$3,375 USD
View
B+
Retailer 7
-
$6,066 NZD
£2,692 GBP
View
Retailer 8
-
$6,219 NZD
$3,505 USD
View
Price last confirmed 21 days ago
B
Retailer 9
-
$6,476 NZD
$3,650 USD
View
B
Retailer 10
-
$6,499 NZD
£2,884 GBP
View
Retailer 11
-
$6,668 NZD
A$5,782 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$7,279 NZD
€3,907 EUR
View
B
Retailer 13
-
$7,644 NZD
ZAR 69,599 ZAR
View
Most Expensive
B
MOH London
47C1EB56B · Nov 1
$10,399 NZD
£4,615 GBP
View
13 more retailers have this diamond
Prices start from $5,358 NZDSave up to $5,041 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
$5,358 NZD