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Round|Natural|GIA

1.02ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 7508121852

Shape and cutting style on the report: Round brilliant

Certificate GIA 7508121852

Diamond specifications and retailer prices

From $3,976 AUD
As of November 6, 2026
Save $5,988 AUD (60%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,963 AUD at Diamond Quarter · As of November 6, 2026
View at Diamond Quarter

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 7508121852. Listed at 21 retailers as of November 6, 2026, with prices from $3,976 to $9,963, a $5,988 spread on the same certified stone. Diamond Quarter lists it at $9,963. 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 angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7508121852
Dimensions6.45 × 6.42 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.45 mm6.42 mm1.02 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7508121852
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.4%

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: $3,976 AUD|Low: $3,976 AUD|High: $9,302 AUD|Avg: $5,633 AUD|-3.1%
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 1$3,976 AUD
Retailer 11$4,040 AUD
Retailer 3$4,878 AUD
Retailer 10$4,891 AUD
Retailer 2$5,073 AUD
Retailer 5$5,097 AUD
Retailer 4$5,258 AUD
Retailer 7$5,531 AUD
Retailer 8$5,855 AUD
Retailer 6$6,708 AUD
Retailer 9$9,190 AUD

29 data points across 11 retailers

21 retailers$3,976 AUD to $9,963 AUD

A
Cheapest Retailer
-
$3,976 AUD
A
Retailer 2
-
$4,040 AUD
View
B+
Retailer 3
-
$4,878 AUD
View
B+
Retailer 4
-
$4,891 AUD
View
B+
Retailer 5
-
$5,073 AUD
View
Final sale: no returns
B+
Retailer 6
-
$5,097 AUD
View
Retailer 7
-
$5,130 AUD
View
Price last confirmed 109 days ago
B
Retailer 8
-
$5,257 AUD
View
B+
Retailer 9
-
$5,258 AUD
View
B+
Retailer 10
-
$5,495 AUD
View
B+
Retailer 11
-
$5,531 AUD
View
B+
Retailer 12
-
$5,704 AUD
View
B+
Retailer 13
-
$5,707 AUD
View
B+
Retailer 14
-
$5,855 AUD
View
Retailer 15
-
$5,887 AUD
View
Price last confirmed 29 days ago
B
Retailer 16
-
$6,341 AUD
View
B
Retailer 17
-
$6,708 AUD
View
B
Retailer 18
-
$7,100 AUD
View
B
Retailer 19
-
$9,190 AUD
View
B
Retailer 20
-
$9,575 AUD
View
Most Expensive
B
Diamond Quarter
1.02SI1G7552DEA5N · Nov 6
$9,963 AUD
£5,492 GBP
View
20 more retailers have this diamond
Prices start from $3,976 AUDSave up to $5,988 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
$3,976 AUD