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Round|Natural|IGI

1.03ct F VS1 Round Natural Diamond

EX • F/VS1 • IGI 816642433

Shape and cutting style on the report: Round brilliant

Certificate IGI 816642433

Diamond specifications and retailer prices

From $4,401 AUD
As of November 2, 2026
Save $5,311 AUD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,712 AUD at NZ Jewellers · As of September 21, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 816642433. Listed at 18 retailers as of November 2, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 816642433
Dimensions6.45 × 6.49 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.45 mm6.49 mm1.03 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 816642433
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 41.4°CuletDepth 62.2%

Caratlytics Score

How it works →
A
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: Nov 2
Current: $5,717 AUD|Low: $4,391 AUD|High: $9,422 AUD|Avg: $5,880 AUD|-0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$4,401 AUD
Retailer 10$4,905 AUD
Retailer 9$5,144 AUD
Retailer 3$5,183 AUD
Retailer 2$5,328 AUD
Retailer 1$5,717 AUD
Retailer 5$6,413 AUD
Retailer 8$6,435 AUD
Retailer 4$6,804 AUD
Retailer 6$9,322 AUD

31 data points across 10 retailers

18 retailers$4,401 AUD to $9,712 AUD

A
Cheapest Retailer
-
$4,401 AUD
A
Retailer 2
-
$4,770 AUD
View
A
Retailer 3
-
$4,905 AUD
View
A
Retailer 4
-
$5,144 AUD
View
Final sale: no returns
A
Retailer 5
-
$5,183 AUD
View
A
Retailer 6
-
$5,328 AUD
View
Retailer 7
-
$5,575 AUD
View
Price last confirmed 50 days ago
A
Retailer 8
-
$5,575 AUD
View
A
Retailer 9
-
$5,575 AUD
View
Retailer 10
-
$5,575 AUD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$5,717 AUD
View
B+
Retailer 12
-
$6,413 AUD
View
Retailer 13
-
$6,433 AUD
View
Price last confirmed 45 days ago
B+
Retailer 14
-
$6,433 AUD
View
B+
Retailer 15
-
$6,804 AUD
View
B
Retailer 16
-
$9,322 AUD
View
B
Retailer 17
-
$9,712 AUD
View
Most Expensive
NZ Jewellers
71e2a8a3-f5ed-46f4-b1d1-ac643312a9cd · Sep 21
$9,712 AUD
$6,799 USD
View
Price last confirmed 45 days ago
17 more retailers have this diamond
Prices start from $4,401 AUDSave up to $5,311 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.

A
1.03ct Round
$4,401 AUD