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Round|Natural|GIA

1.03ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6435443395

Certificate GIA 6435443395

Diamond specifications and retailer prices

From $2,073 AUD
As of October 31, 2026
Save $4,933 AUD (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,005 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6435443395. Listed at 18 retailers as of October 31, 2026, with prices from $2,073 to $7,005, a $4,933 spread on the same certified stone. NZ Jewellers lists it at $7,005. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6435443395
Dimensions6.53 × 6.50 × 3.99 mm
L/W Ratio1.00
Top View
6.53 mm6.50 mm1.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435443395
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 61.3%

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: Oct 31
Current: $2,901 AUD|Low: $2,066 AUD|High: $5,091 AUD|Avg: $2,961 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$2,073 AUD
Retailer 8$2,084 AUD
Retailer 10$2,596 AUD
Retailer 2$2,651 AUD
Retailer 11$2,671 AUD
Retailer 9$2,738 AUD
Retailer 1$2,901 AUD
Retailer 3$3,004 AUD
Retailer 4$3,083 AUD
Retailer 6$3,504 AUD
Retailer 5$5,017 AUD

44 data points across 11 retailers

18 retailers$2,073 AUD to $7,005 AUD

A
Cheapest Retailer
-
$2,073 AUD
A
Retailer 2
-
$2,084 AUD
View
A
Retailer 3
-
$2,518 AUD
View
A
Retailer 4
-
$2,596 AUD
View
A
Retailer 5
-
$2,651 AUD
View
Final sale: no returns
A
Retailer 6
-
$2,671 AUD
View
A
Retailer 7
-
$2,738 AUD
View
A
Retailer 8
-
$2,811 AUD
View
A
Retailer 9
-
$2,873 AUD
View
Retailer 10
-
$2,873 AUD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$2,901 AUD
View
A
Retailer 12
-
$3,004 AUD
View
A
Retailer 13
-
$3,068 AUD
View
A
Retailer 14
-
$3,083 AUD
View
B+
Retailer 15
-
$3,314 AUD
View
A
Retailer 16
-
$3,504 AUD
View
B+
Retailer 17
-
$5,017 AUD
View
Most Expensive
B
NZ Jewellers
ae6a3d35-d18a-4c9c-8b6a-2d89eccf02e4 · Nov 5
$7,005 AUD
$4,904 USD
View
17 more retailers have this diamond
Prices start from $2,073 AUDSave up to $4,933 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
$2,073 AUD