Cushion|Natural|GIA

1.00ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 2231437679

Certificate GIA 2231437679

Diamond specifications and retailer prices

From $5,310 NZD

$2,993 USD

As of November 1, 2026

Save $5,089 NZD (49%) vs most expensive(unlock to see where)

15 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 2231437679. Listed at 15 retailers as of November 1, 2026, with prices from $5,310 to $10,399, a $5,089 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

Colour

SI1

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 2231437679

Dimensions8.09 × 5.21 × 3.31 mm

L/W Ratio1.55

Cert comments

NO BGM-Additional clouds are not shown.

Key to symbols

Cloud, Indented Natural

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2231437679

Side View

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: $6,398 NZD|-0.9%

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$4,678 NZD

Retailer 4$5,310 NZD

Retailer 12$5,520 NZD

Retailer 9$5,740 NZD

Retailer 3$5,988 NZD

Retailer 2$6,066 NZD

Retailer 10$6,219 NZD

Retailer 6$6,499 NZD

Retailer 11$6,668 NZD

Retailer 5$7,279 NZD

Retailer 7$7,644 NZD

MOH London$10,399 NZD

32 data points across 12 retailers

15 retailers$5,310 NZD to $10,399 NZD

Retailer 1

$4,678 NZD

₹251,089 INR

Price last confirmed 10 days ago

Retailer 2

$5,101 NZD

$2,875 USD

View

Price last confirmed 9 days ago

B+

Retailer 3

$5,310 NZD

$2,993 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 25 days ago

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

Retailer 12

$6,811 NZD

$3,839 USD

View

Retailer 13

$7,279 NZD

€3,907 EUR

View

Retailer 14

$7,644 NZD

ZAR 69,599 ZAR

View

Most Expensive

MOH London

83D39CF69 · Nov 1

$10,399 NZD

£4,615 GBP

View

14 more retailers have this diamond

Prices start from $5,310 NZDSave up to $5,089 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.

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