Round|Natural|GIA

1.03ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2556409765

Certificate GIA 2556409765

Diamond specifications and retailer prices

From $4,515 NZD

A$3,908 AUD

As of November 3, 2026

17 retailers carry this diamond

Most expensive: $9,619 NZD at NZ Jewellers · As of September 26, 2026

View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556409765. Listed at 17 retailers as of November 3, 2026. 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

1.03

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceMedium

Crown angle34.5°

Pavilion angle41.2°

OriginNatural

Grading LabGIA

CertificateGIA 2556409765

Dimensions6.40 × 6.45 × 4.04 mm

L/W Ratio1.01

Girdle conditionFaceted

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceMedium

CertificateGIA 2556409765

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3

Current: $4,869 NZD|Low: $3,343 NZD|High: $8,157 NZD|Avg: $4,675 NZD|+0.1%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

October 17, 2026

Retailer 2$3,435 NZD

Retailer 6$3,455 NZD

Retailer 8$3,838 NZD

Retailer 10$3,930 NZD

Retailer 5$4,143 NZD

Retailer 12$4,225 NZD

Retailer 11$4,246 NZD

Retailer 4$4,811 NZD

Retailer 1$4,869 NZD

Retailer 7$5,425 NZD

Retailer 3$5,428 NZD

Retailer 9$8,148 NZD

24 data points across 12 retailers

17 retailers

Retailer 1

$3,435 NZD

HK$15,100 HKD

Price last confirmed 19 days ago

Retailer 2

$3,455 NZD

₹185,151 INR

View

Price last confirmed 17 days ago

Retailer 3

$3,838 NZD

€2,057 EUR

View

Price last confirmed 18 days ago

Retailer 4

$4,143 NZD

$2,331 USD

View

Price last confirmed 17 days ago

Retailer 5

$4,225 NZD

$2,377 USD

View

Price last confirmed 18 days ago

Retailer 6

$4,515 NZD

A$3,908 AUD

View

Retailer 7

$4,601 NZD

$2,589 USD

View

Price last confirmed 25 days ago

Retailer 8

$4,601 NZD

$2,589 USD

View

Price last confirmed 56 days ago

Retailer 9

$4,811 NZD

SGD 3,658 SGD

View

Price last confirmed 18 days ago

Retailer 10

$4,813 NZD

$2,708 USD

View

Price last confirmed 18 days ago

Retailer 11

$4,869 NZD

£2,157 GBP

View

Price last confirmed 17 days ago

Retailer 12

$5,309 NZD

$2,987 USD

View

Price last confirmed 24 days ago

Retailer 13

$5,309 NZD

$2,987 USD

View

Price last confirmed 57 days ago

Retailer 14

$5,428 NZD

£2,405 GBP

View

Price last confirmed 17 days ago

Retailer 15

$6,687 NZD

$3,763 USD

View

Price last confirmed 19 days ago

Retailer 16

$8,148 NZD

£3,610 GBP

View

Price last confirmed 19 days ago

Most Expensive

NZ Jewellers

1e66f498-e0a9-47ea-b7ec-8cb2b206e102 · Sep 26

$9,619 NZD

$5,412 USD

View

Price last confirmed 37 days ago

16 more retailers have this diamond

Prices start from $4,515 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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1.03ct Round

$4,515 NZD