Round|Natural|GIA

1.02ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1565225898

Certificate GIA 1565225898

Diamond specifications and retailer prices

From $4,088 AUD

SGD 3,872 SGD

As of October 31, 2026

Save $238 AUD (5%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $8,149 AUD at NZ Jewellers · As of October 17, 2026

View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct 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 1565225898. Listed at 19 retailers as of October 31, 2026, with a relatively tight 6% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.02

Carat

Colour

SI1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.5°

Pavilion angle41°

OriginNatural

Grading LabGIA

CertificateGIA 1565225898

Dimensions6.39 × 6.42 × 4.03 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizeNone

Key to symbols

Crystal, Feather, Cloud

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 1565225898

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

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

Price History

Last verified: Oct 31

Current: $8,149 AUD|Low: $3,694 AUD|High: $8,149 AUD|Avg: $5,320 AUD

NZ Jewellers

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

October 19, 2026

Retailer 9$3,694 AUD

Retailer 16$4,088 AUD

Retailer 10$4,274 AUD

Retailer 6$4,316 AUD

Retailer 8$4,555 AUD

Retailer 3$4,677 AUD

Retailer 4$4,677 AUD

Retailer 2$4,821 AUD

Retailer 15$4,857 AUD

Retailer 7$4,997 AUD

Retailer 5$5,398 AUD

Retailer 12$5,449 AUD

Retailer 13$5,678 AUD

Retailer 14$7,684 AUD

Retailer 11$7,865 AUD

NZ Jewellers$8,149 AUD

24 data points across 16 retailers

19 retailers$4,088 AUD to $4,326 AUD

Retailer 1

$3,488 AUD

HK$19,100 HKD

Price last confirmed 16 days ago

Retailer 2

$3,694 AUD

₹246,551 INR

View

Price last confirmed 15 days ago

Retailer 3

$4,088 AUD

SGD 3,872 SGD

View

Retailer 4

$4,191 AUD

$2,937 USD

View

Price last confirmed 18 days ago

Retailer 5

$4,274 AUD

$2,995 USD

View

Price last confirmed 15 days ago

B+

Retailer 6

$4,326 AUD

$3,032 USD

View

Retailer 7

$4,331 AUD

$3,035 USD

View

Price last confirmed 13 days ago

Retailer 8

$4,677 AUD

$3,278 USD

View

Price last confirmed 15 days ago

Retailer 9

$4,677 AUD

$3,278 USD

View

Price last confirmed 17 days ago

Retailer 10

$4,821 AUD

£2,660 GBP

View

Price last confirmed 14 days ago

Retailer 11

$4,857 AUD

$3,404 USD

View

Price last confirmed 18 days ago

Retailer 12

$4,883 AUD

$3,422 USD

View

Price last confirmed 15 days ago

Retailer 13

$4,905 AUD

SGD 4,645 SGD

View

Price last confirmed 14 days ago

Retailer 14

$4,997 AUD

View

Price last confirmed 26 days ago

Retailer 15

$5,398 AUD

$3,783 USD

View

Price last confirmed 15 days ago

Retailer 16

$5,678 AUD

ZAR 64,287 ZAR

View

Price last confirmed 16 days ago

Retailer 17

$7,684 AUD

£4,240 GBP

View

Price last confirmed 14 days ago

Retailer 18

$7,865 AUD

£4,340 GBP

View

Price last confirmed 14 days ago

Most Expensive

NZ Jewellers

1e7cfced-9aa3-4647-8a18-454f3ee30599 · Oct 17

$8,149 AUD

$5,711 USD

View

Price last confirmed 16 days ago

18 more retailers have this diamond

Prices start from $4,088 AUDSave up to $238 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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1.02ct Round

$4,088 AUD