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Radiant|Natural|GIA

1.30ct G SI2 Radiant Natural Diamond

ID • G/SI2 • GIA 1545064305

Certificate GIA 1545064305

Diamond specifications and retailer prices

From $3,962 AUD
£2,191 GBP
As of October 30, 2026
Save $4,390 AUD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,352 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.3ct natural radiant diamond

This 1.3ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545064305. Listed at 6 retailers as of October 30, 2026, with prices from $3,962 to $8,352, a $4,390 spread on the same certified stone. NZ Jewellers lists it at $8,352. 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

1.30
Carat
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.76°
Pavilion angle30.23°
OriginNatural
Grading LabGIA
CertificateGIA 1545064305
Dimensions7.01 × 5.40 × 3.64 mm
L/W Ratio1.30
Girdle conditionVery Thick
Key to symbols
Crystal, Cloud, Twinning Wisp, Feather
Top View
7.01 mm5.40 mm1.30 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545064305
Side View
Table 67.0%Crown 44.76°Girdle: THK-VTKPavilion 30.23°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,352 AUD|Low: $3,949 AUD|High: $8,573 AUD|Avg: $5,189 AUD|-2.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$3,962 AUD
Retailer 6$3,995 AUD
Retailer 5$4,148 AUD
Retailer 7$4,205 AUD
Retailer 11$4,568 AUD
Retailer 8$4,775 AUD
Retailer 9$5,011 AUD
Retailer 10$5,083 AUD
Retailer 3$5,297 AUD
Retailer 4$7,010 AUD
NZ Jewellers$8,352 AUD

29 data points across 11 retailers

6 retailers$3,962 AUD to $8,352 AUD

A
Cheapest Retailer
-
$3,962 AUD
£2,191 GBP
A
Retailer 2
-
$3,995 AUD
$2,806 USD
View
A
Retailer 3
-
$4,148 AUD
$2,914 USD
View
A
Retailer 4
-
$4,205 AUD
$2,954 USD
View
B+
Retailer 5
-
$7,010 AUD
£3,877 GBP
View
Most Expensive
B
NZ Jewellers
77b4c819-88ca-4b74-8487-123ad4186a19 · Oct 30
$8,352 AUD
$5,867 USD
View
5 more retailers have this diamond
Prices start from $3,962 AUDSave up to $4,390 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
1.30ct Radiant
$3,962 AUD