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Round|Natural|GIA

1.02ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1242072818

Certificate GIA 1242072818

Diamond specifications and retailer prices

From $3,657 AUD
As of November 4, 2026
Save $4,633 AUD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,290 AUD at NZ Jewellers · As of November 5, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1242072818. Listed at 22 retailers as of November 4, 2026, with prices from $3,657 to $8,290, a $4,633 spread on the same certified stone. NZ Jewellers lists it at $8,290. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1242072818
Dimensions6.47 × 6.44 × 3.97 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
6.47 mm6.44 mm1.02 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1242072818
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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 4
Current: $5,093 AUD|Low: $3,657 AUD|High: $8,000 AUD|Avg: $4,908 AUD
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
November 6, 2026
Retailer 14$3,657 AUD
Retailer 3$3,698 AUD
Retailer 12$4,086 AUD
Retailer 8$4,173 AUD
Retailer 10$4,186 AUD
Retailer 2$4,533 AUD
Retailer 6$4,758 AUD
Retailer 7$4,864 AUD
Retailer 4$4,941 AUD
Retailer 1$5,093 AUD
Retailer 5$5,168 AUD
Retailer 13$5,377 AUD
Retailer 9$5,505 AUD
Retailer 11$7,934 AUD

26 data points across 14 retailers

22 retailers$3,657 AUD to $8,290 AUD

A
Cheapest Retailer
-
$3,657 AUD
A
Retailer 2
-
$3,698 AUD
View
A
Retailer 3
-
$4,086 AUD
View
A
Retailer 4
-
$4,100 AUD
View
A
Retailer 5
-
$4,173 AUD
View
A
Retailer 6
-
$4,186 AUD
View
A
Retailer 7
-
$4,224 AUD
View
B+
Retailer 8
-
$4,391 AUD
View
Final sale: no returns
A
Retailer 9
-
$4,533 AUD
View
Retailer 10
-
$4,758 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$4,758 AUD
View
B+
Retailer 12
-
$4,864 AUD
View
B+
Retailer 13
-
$4,941 AUD
View
B+
Retailer 14
-
$4,963 AUD
View
B+
Retailer 15
-
$5,093 AUD
View
B+
Retailer 16
-
$5,168 AUD
View
B+
Retailer 17
-
$5,377 AUD
View
B+
Retailer 18
-
$5,490 AUD
View
B+
Retailer 19
-
$5,505 AUD
View
B
Retailer 20
-
$7,084 AUD
View
B
Retailer 21
-
$7,934 AUD
View
Most Expensive
B
NZ Jewellers
3a8d8771-b86f-4cc6-b150-1a161131aa82 · Nov 5
$8,290 AUD
$5,803 USD
View
21 more retailers have this diamond
Prices start from $3,657 AUDSave up to $4,633 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
$3,657 AUD