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Radiant|Natural|GIA

1.30ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 6542136961

Certificate GIA 6542136961

Diamond specifications and retailer prices

From $4,025 AUD
£2,226 GBP
As of October 29, 2026
Save $4,436 AUD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,461 AUD at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542136961. Listed at 6 retailers as of October 27, 2026, with prices from $4,025 to $8,461, a $4,436 spread on the same certified stone. NZ Jewellers lists it at $8,461. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle44.79°
Pavilion angle30.65°
OriginNatural
Grading LabGIA
CertificateGIA 6542136961
Dimensions7.15 × 5.35 × 3.65 mm
L/W Ratio1.34
Top View
7.15 mm5.35 mm1.30 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6542136961
Side View
Table 67.0%Crown 44.79°Girdle: Slightly ThickPavilion 30.65°Culet: NoneDepth 68.3%

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 29
Current: $8,461 AUD|Low: $4,000 AUD|High: $13,384 AUD|Avg: $5,994 AUD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 2$4,025 AUD
Retailer 6$4,047 AUD
Retailer 5$4,202 AUD
Retailer 7$4,257 AUD
Retailer 11$4,593 AUD
Retailer 9$4,735 AUD
Retailer 3$4,939 AUD
Retailer 10$5,088 AUD
Retailer 4$7,099 AUD
NZ Jewellers$8,461 AUD
Retailer 8$13,384 AUD

31 data points across 11 retailers

6 retailers$4,025 AUD to $8,461 AUD

A
Cheapest Retailer
-
$4,025 AUD
£2,226 GBP
A
Retailer 2
-
$4,047 AUD
$2,843 USD
View
A
Retailer 3
-
$4,202 AUD
$2,952 USD
View
A
Retailer 4
-
$4,257 AUD
$2,991 USD
View
B+
Retailer 5
-
$7,099 AUD
£3,927 GBP
View
Most Expensive
B+
NZ Jewellers
c88b1978-55b1-4f8b-964a-9b64fe3202d3 · Oct 27
$8,461 AUD
$5,944 USD
View
5 more retailers have this diamond
Prices start from $4,025 AUDSave up to $4,436 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
$4,025 AUD