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Round|Natural|GIA

1.02ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 1318307453

Certificate GIA 1318307453

Diamond specifications and retailer prices

From $3,017 AUD
As of November 6, 2026
Save $1,714 AUD (36%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,468 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1318307453. Listed at 14 retailers as of November 2, 2026, with a 57% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.02
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1318307453
Dimensions6.31 × 6.30 × 4.06 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
6.31 mm6.30 mm1.02 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1318307453
Side View
Table 56.0%Crown 37°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.4%

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: $8,468 AUD|Low: $3,017 AUD|High: $8,470 AUD|Avg: $4,420 AUD
NZ Jewellers
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
Retailer 17
November 6, 2026
Retailer 2$3,017 AUD
Retailer 6$3,583 AUD
Retailer 16$3,627 AUD
Retailer 14$3,721 AUD
Retailer 3$3,734 AUD
Retailer 8$3,738 AUD
Retailer 11$3,787 AUD
Retailer 4$4,050 AUD
Retailer 5$4,050 AUD
Retailer 17$4,206 AUD
Retailer 12$4,220 AUD
Retailer 7$4,253 AUD
Retailer 9$4,674 AUD
Retailer 10$4,731 AUD
Retailer 13$4,734 AUD
Retailer 15$7,133 AUD
NZ Jewellers$8,468 AUD

36 data points across 17 retailers

14 retailers$3,017 AUD to $4,731 AUD

A
Cheapest Retailer
-
$3,017 AUD
Retailer 2
-
$3,583 AUD
View
Price last confirmed 16 days ago
Retailer 3
-
$3,627 AUD
View
Price last confirmed 17 days ago
Retailer 4
-
$3,721 AUD
View
Price last confirmed 16 days ago
Retailer 5
-
$4,050 AUD
View
Price last confirmed 21 days ago
Retailer 6
-
$4,050 AUD
View
Price last confirmed 15 days ago
Retailer 7
-
$4,206 AUD
View
Price last confirmed 22 days ago
Retailer 8
-
$4,220 AUD
View
Price last confirmed 15 days ago
Retailer 9
-
$4,253 AUD
View
Price last confirmed 19 days ago
Retailer 10
-
$4,674 AUD
View
Price last confirmed 16 days ago
B+
Retailer 11
-
$4,731 AUD
View
Retailer 12
-
$4,734 AUD
View
Price last confirmed 16 days ago
Retailer 13
-
$7,133 AUD
View
Price last confirmed 16 days ago
Most Expensive
NZ Jewellers
8507b870-7903-4e37-8912-1098d502ee24 · Oct 20
$8,468 AUD
$5,928 USD
View
Price last confirmed 16 days ago
13 more retailers have this diamond
Prices start from $3,017 AUDSave up to $1,714 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
$3,017 AUD