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Round|Natural|GIA

1.02ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5383028872

Certificate GIA 5383028872

Diamond specifications and retailer prices

From $3,254 AUD
As of November 6, 2026
Save $3,873 AUD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,574 AUD at NZ Jewellers · As of October 20, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5383028872. Listed at 17 retailers as of November 2, 2026, with a 119% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5383028872
Dimensions6.37 × 6.42 × 4.00 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.37 mm6.42 mm1.02 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5383028872
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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 6
Current: $6,430 AUD|Low: $3,254 AUD|High: $7,214 AUD|Avg: $4,866 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 4$3,254 AUD
Retailer 11$3,894 AUD
Retailer 10$3,934 AUD
Retailer 2$4,236 AUD
Retailer 5$4,445 AUD
Retailer 6$4,485 AUD
Retailer 3$4,644 AUD
Retailer 8$4,958 AUD
Retailer 7$5,203 AUD
Retailer 1$6,430 AUD
Retailer 9$7,127 AUD

43 data points across 11 retailers

17 retailers$3,254 AUD to $7,127 AUD

A
Cheapest Retailer
-
$3,254 AUD
A
Retailer 2
-
$3,894 AUD
View
B+
Retailer 3
-
$3,934 AUD
View
Final sale: no returns
B+
Retailer 4
-
$4,078 AUD
View
B+
Retailer 5
-
$4,236 AUD
View
Retailer 6
-
$4,263 AUD
View
Price last confirmed 21 days ago
Retailer 7
-
$4,347 AUD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$4,445 AUD
View
B+
Retailer 9
-
$4,485 AUD
View
Retailer 10
-
$4,514 AUD
View
Price last confirmed 22 days ago
Retailer 11
-
$4,644 AUD
View
Price last confirmed 30 days ago
B+
Retailer 12
-
$4,958 AUD
View
Retailer 13
-
$5,015 AUD
View
Price last confirmed 16 days ago
B+
Retailer 14
-
$5,203 AUD
View
Retailer 15
-
$6,430 AUD
View
B
Retailer 16
-
$7,127 AUD
View
Most Expensive
NZ Jewellers
6f8bf03b-07eb-4e78-8b84-08d65a8b0783 · Oct 20
$7,574 AUD
$5,302 USD
View
Price last confirmed 17 days ago
16 more retailers have this diamond
Prices start from $3,254 AUDSave up to $3,873 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
1.02ct Round
$3,254 AUD