Round|Natural|GIA

1.03ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2556409765

Certificate GIA 2556409765

Diamond specifications and retailer prices

From $3,625 AUD

As of November 2, 2026

17 retailers carry this diamond

Most expensive: $7,722 AUD 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 2, 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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Price History

Last verified: Nov 2

Current: $3,909 AUD|Low: $2,684 AUD|High: $6,549 AUD|Avg: $3,753 AUD|+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$2,758 AUD

Retailer 6$2,774 AUD

Retailer 8$3,081 AUD

Retailer 10$3,155 AUD

Retailer 5$3,326 AUD

Retailer 12$3,392 AUD

Retailer 11$3,409 AUD

Retailer 4$3,863 AUD

Retailer 1$3,909 AUD

Retailer 7$4,355 AUD

Retailer 3$4,358 AUD

Retailer 9$6,542 AUD

24 data points across 12 retailers

17 retailers

Retailer 1

$2,758 AUD

HK$15,100 HKD

Price last confirmed 18 days ago

Retailer 2

$2,774 AUD

₹185,151 INR

View

Price last confirmed 17 days ago

Retailer 3

$3,081 AUD

€2,057 EUR

View

Price last confirmed 17 days ago

Retailer 4

$3,326 AUD

$2,331 USD

View

Price last confirmed 17 days ago

Retailer 5

$3,392 AUD

$2,377 USD

View

Price last confirmed 18 days ago

Retailer 6

$3,625 AUD

View

Retailer 7

$3,694 AUD

$2,589 USD

View

Price last confirmed 24 days ago

Retailer 8

$3,694 AUD

$2,589 USD

View

Price last confirmed 56 days ago

Retailer 9

$3,863 AUD

SGD 3,658 SGD

View

Price last confirmed 18 days ago

Retailer 10

$3,864 AUD

$2,708 USD

View

Price last confirmed 17 days ago

Retailer 11

$3,909 AUD

£2,157 GBP

View

Price last confirmed 16 days ago

Retailer 12

$4,262 AUD

$2,987 USD

View

Price last confirmed 24 days ago

Retailer 13

$4,262 AUD

$2,987 USD

View

Price last confirmed 56 days ago

Retailer 14

$4,358 AUD

£2,405 GBP

View

Price last confirmed 17 days ago

Retailer 15

$5,369 AUD

$3,763 USD

View

Price last confirmed 19 days ago

Retailer 16

$6,542 AUD

£3,610 GBP

View

Price last confirmed 18 days ago

Most Expensive

NZ Jewellers

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

$7,722 AUD

$5,412 USD

View

Price last confirmed 36 days ago

16 more retailers have this diamond

Prices start from $3,625 AUD

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

$3,625 AUD