Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 2245003721

Certificate GIA 2245003721

Diamond specifications and retailer prices

From $4,757 NZD

As of November 6, 2026

27 retailers carry this diamond

Most expensive: $10,654 NZD at NZ Jewellers · As of September 27, 2026

View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2245003721. Listed at 27 retailers as of November 6, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00

Carat

Colour

SI1

Clarity

Very Good

Cut

Specifications

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle41°

OriginNatural

Grading LabGIA

CertificateGIA 2245003721

Dimensions6.25 × 3.97 × 3.97 mm

L/W Ratio1.57

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutVery Good

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 2245003721

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 6

Current: $8,974 NZD|Low: $3,671 NZD|High: $16,235 NZD|Avg: $5,460 NZD|-0.7%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

October 29, 2026

Retailer 7$3,831 NZD

Retailer 9$3,958 NZD

Retailer 8$4,089 NZD

Retailer 4$4,171 NZD

Retailer 5$4,252 NZD

Retailer 6$4,261 NZD

Retailer 15$4,573 NZD

Retailer 11$4,640 NZD

Retailer 16$4,654 NZD

Retailer 12$4,928 NZD

Retailer 2$5,285 NZD

Retailer 18$5,285 NZD

Retailer 14$5,381 NZD

Retailer 13$5,466 NZD

Retailer 10$5,709 NZD

Retailer 3$5,955 NZD

Retailer 19$6,204 NZD

Retailer 17$6,238 NZD

Retailer 1$8,974 NZD

25 data points across 19 retailers

27 retailers

Retailer 1

$3,831 NZD

Price last confirmed 7 days ago

Retailer 2

$3,958 NZD

View

Price last confirmed 26 days ago

Retailer 3

$4,077 NZD

View

Price last confirmed 9 days ago

Retailer 4

$4,089 NZD

View

Price last confirmed 11 days ago

Retailer 5

$4,171 NZD

View

Price last confirmed 9 days ago

Retailer 6

$4,252 NZD

View

Price last confirmed 10 days ago

Retailer 7

$4,456 NZD

View

Price last confirmed 30 days ago

Retailer 8

$4,573 NZD

View

Price last confirmed 9 days ago

Retailer 9

$4,640 NZD

View

Price last confirmed 29 days ago

Retailer 10

$4,654 NZD

View

Price last confirmed 9 days ago

B+

Retailer 11

$4,757 NZD

View

Retailer 12

$4,928 NZD

View

Price last confirmed 9 days ago

Retailer 13

$5,096 NZD

View

Price last confirmed 25 days ago

Retailer 14

$5,096 NZD

View

Price last confirmed 28 days ago

Retailer 15

$5,278 NZD

View

Price last confirmed 26 days ago

Retailer 16

$5,285 NZD

View

Price last confirmed 9 days ago

Retailer 17

$5,285 NZD

View

Price last confirmed 11 days ago

Retailer 18

$5,293 NZD

View

Price last confirmed 38 days ago

Retailer 19

$5,381 NZD

View

Price last confirmed 9 days ago

Retailer 20

$5,466 NZD

View

Price last confirmed 9 days ago

Retailer 21

$5,709 NZD

View

Price last confirmed 30 days ago

Retailer 22

$5,879 NZD

View

Price last confirmed 28 days ago

Retailer 23

$5,955 NZD

View

Price last confirmed 11 days ago

Retailer 24

$6,204 NZD

View

Price last confirmed 11 days ago

Retailer 25

$6,238 NZD

View

Price last confirmed 8 days ago

Retailer 26

$8,974 NZD

View

Price last confirmed 8 days ago

Most Expensive

NZ Jewellers

f72310fd-152a-4fd3-993c-35f3170d8946 · Sep 27

$10,654 NZD

$5,906 USD

View

Price last confirmed 40 days ago

26 more retailers have this diamond

Prices start from $4,757 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.

Where to buy this spec

See every retailer carrying 1ct G SI1 round natural

Ranked by inventory count, with return policy, certs, and trust signals.

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