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Round|Natural|GIA

1.03ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 2566190931

Certificate GIA 2566190931

Diamond specifications and retailer prices

From $3,525 AUD
As of November 4, 2026
Save $5,290 AUD (60%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,815 AUD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2566190931. Listed at 22 retailers as of November 4, 2026, with prices from $3,525 to $8,815, a $5,290 spread on the same certified stone. NZ Jewellers lists it at $8,815. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566190931
Dimensions6.45 × 6.41 × 4.00 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle, Pinpoint
Top View
6.45 mm6.41 mm1.03 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2566190931
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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 4
Current: $4,483 AUD|Low: $3,031 AUD|High: $8,235 AUD|Avg: $4,465 AUD|+21.8%
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 5, 2026
Retailer 11$3,450 AUD
Retailer 17$3,525 AUD
Retailer 13$3,582 AUD
Retailer 8$3,709 AUD
Retailer 21$3,766 AUD
Retailer 14$3,863 AUD
Retailer 2$4,185 AUD
Retailer 20$4,185 AUD
Retailer 3$4,218 AUD
Retailer 10$4,258 AUD
Retailer 9$4,376 AUD
Retailer 4$4,405 AUD
Retailer 7$4,405 AUD
Retailer 1$4,483 AUD
Retailer 6$4,547 AUD
Retailer 15$4,671 AUD
Retailer 19$4,818 AUD
Retailer 12$4,878 AUD
Retailer 18$5,431 AUD
Retailer 5$6,137 AUD
Retailer 16$7,051 AUD

26 data points across 21 retailers

22 retailers$3,525 AUD to $8,815 AUD

A
Cheapest Retailer
-
$3,525 AUD
Final sale: no returns
Retailer 2
-
$3,582 AUD
View
Price last confirmed 38 days ago
A
Retailer 3
-
$3,709 AUD
View
A
Retailer 4
-
$3,766 AUD
View
Retailer 5
-
$4,134 AUD
View
Price last confirmed 37 days ago
A
Retailer 6
-
$4,185 AUD
View
A
Retailer 7
-
$4,185 AUD
View
A
Retailer 8
-
$4,218 AUD
View
Retailer 9
-
$4,258 AUD
View
Price last confirmed 41 days ago
Retailer 10
-
$4,376 AUD
View
Price last confirmed 37 days ago
A
Retailer 11
-
$4,405 AUD
View
A
Retailer 12
-
$4,405 AUD
View
A
Retailer 13
-
$4,483 AUD
View
A
Retailer 14
-
$4,547 AUD
View
A
Retailer 15
-
$4,671 AUD
View
B+
Retailer 16
-
$4,818 AUD
View
B+
Retailer 17
-
$4,878 AUD
View
B+
Retailer 18
-
$5,431 AUD
View
B
Retailer 19
-
$6,137 AUD
View
B
Retailer 20
-
$7,051 AUD
View
Retailer 21
-
$7,491 AUD
View
Price last confirmed 38 days ago
Most Expensive
B
NZ Jewellers
0f1b352d-dfe0-41f2-9507-81f68a22750f · Nov 5
$8,815 AUD
$6,184 USD
View
21 more retailers have this diamond
Prices start from $3,525 AUDSave up to $5,290 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
$3,525 AUD