CaratHunter
Plans
Round|Natural|GIA

1.03ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5242070995

Certificate GIA 5242070995

Diamond specifications and retailer prices

From $2,688 AUD
As of November 4, 2026
Save $3,220 AUD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,908 AUD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5242070995. Listed at 16 retailers as of November 4, 2026, with prices from $2,688 to $5,908, a $3,220 spread on the same certified stone. Helzberg Diamonds lists it at $5,908. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 5242070995
Dimensions6.48 × 6.50 × 4.04 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.48 mm6.50 mm1.03 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242070995
Side View
Table 56.0%Crown 34°Girdle: MediumPavilion 41.4°Culet: NoneDepth 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 4
Current: $5,908 AUD|Low: $2,688 AUD|High: $6,021 AUD|Avg: $3,925 AUD|-1.9%
Helzberg Diamonds
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
November 6, 2026
Retailer 14$2,688 AUD
Retailer 10$3,087 AUD
Retailer 4$3,207 AUD
Retailer 16$3,207 AUD
Retailer 8$3,301 AUD
Retailer 7$3,357 AUD
Retailer 9$3,506 AUD
Retailer 6$3,590 AUD
Retailer 13$3,686 AUD
Retailer 5$4,080 AUD
Retailer 12$4,090 AUD
Retailer 2$4,136 AUD
Retailer 11$4,208 AUD
Retailer 15$5,025 AUD
Retailer 3$5,367 AUD
Helzberg Diamonds$5,908 AUD

25 data points across 16 retailers

16 retailers$2,688 AUD to $5,908 AUD

A
Cheapest Retailer
-
$2,688 AUD
A
Retailer 2
-
$3,087 AUD
View
A
Retailer 3
-
$3,207 AUD
View
A
Retailer 4
-
$3,207 AUD
View
A
Retailer 5
-
$3,301 AUD
View
A
Retailer 6
-
$3,357 AUD
View
A
Retailer 7
-
$3,506 AUD
View
A
Retailer 8
-
$3,590 AUD
View
B+
Retailer 9
-
$3,686 AUD
View
B+
Retailer 10
-
$4,080 AUD
View
B+
Retailer 11
-
$4,090 AUD
View
B+
Retailer 12
-
$4,136 AUD
View
B+
Retailer 13
-
$4,208 AUD
View
B+
Retailer 14
-
$5,025 AUD
View
B
Retailer 15
-
$5,367 AUD
View
Most Expensive
B
Helzberg Diamonds
XZRLIKIGNGPPL · Nov 6
$5,908 AUD
$4,136 USD
View
15 more retailers have this diamond
Prices start from $2,688 AUDSave up to $3,220 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
$2,688 AUD