Round|Natural|GIA

1.03ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 2556409765

Certificate GIA 2556409765

Diamond specifications and retailer prices

From $3,249 SGD

A$3,908 AUD

As of November 2, 2026

17 retailers carry this diamond

Most expensive: $6,921 SGD 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: $3,504 SGD|Low: $2,406 SGD|High: $5,870 SGD|Avg: $3,364 SGD|+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$2,472 SGD

Retailer 6$2,486 SGD

Retailer 8$2,762 SGD

Retailer 10$2,828 SGD

Retailer 5$2,981 SGD

Retailer 12$3,040 SGD

Retailer 11$3,055 SGD

Retailer 4$3,462 SGD

Retailer 1$3,504 SGD

Retailer 7$3,904 SGD

Retailer 3$3,906 SGD

Retailer 9$5,863 SGD

24 data points across 12 retailers

17 retailers

Retailer 1

$2,472 SGD

HK$15,100 HKD

Price last confirmed 19 days ago

Retailer 2

$2,486 SGD

₹185,151 INR

View

Price last confirmed 17 days ago

Retailer 3

$2,762 SGD

€2,057 EUR

View

Price last confirmed 17 days ago

Retailer 4

$2,981 SGD

$2,331 USD

View

Price last confirmed 17 days ago

Retailer 5

$3,040 SGD

$2,377 USD

View

Price last confirmed 18 days ago

Retailer 6

$3,249 SGD

A$3,908 AUD

View

Retailer 7

$3,311 SGD

$2,589 USD

View

Price last confirmed 24 days ago

Retailer 8

$3,311 SGD

$2,589 USD

View

Price last confirmed 56 days ago

Retailer 9

$3,462 SGD

View

Price last confirmed 18 days ago

Retailer 10

$3,463 SGD

$2,708 USD

View

Price last confirmed 18 days ago

Retailer 11

$3,504 SGD

£2,157 GBP

View

Price last confirmed 16 days ago

Retailer 12

$3,820 SGD

$2,987 USD

View

Price last confirmed 24 days ago

Retailer 13

$3,820 SGD

$2,987 USD

View

Price last confirmed 56 days ago

Retailer 14

$3,906 SGD

£2,405 GBP

View

Price last confirmed 17 days ago

Retailer 15

$4,812 SGD

$3,763 USD

View

Price last confirmed 19 days ago

Retailer 16

$5,863 SGD

£3,610 GBP

View

Price last confirmed 18 days ago

Most Expensive

NZ Jewellers

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

$6,921 SGD

$5,412 USD

View

Price last confirmed 36 days ago

16 more retailers have this diamond

Prices start from $3,249 SGD

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

$3,249 SGD