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Radiant|Natural|GIA

1.30ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1553139098

Certificate GIA 1553139098

Diamond specifications and retailer prices

From $4,047 AUD
As of November 6, 2026
Save $4,905 AUD (55%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $8,952 AUD at NZ Jewellers · As of November 3, 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 H 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 1553139098. Listed at 7 retailers as of November 3, 2026, with prices from $4,047 to $8,952, a $4,905 spread on the same certified stone. NZ Jewellers lists it at $8,952. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle49.46°
Pavilion angle37°
OriginNatural
Grading LabGIA
CertificateGIA 1553139098
Dimensions7.19 × 5.53 × 3.74 mm
L/W Ratio1.30
Girdle conditionThick
Key to symbols
Crystal, Feather, Knot, Needle
Top View
7.19 mm5.53 mm1.30 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1553139098
Side View
Table 70.0%Crown 49.46°Girdle: STK-THKPavilion 37°Culet: NoneDepth 67.6%

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: Nov 6
Current: $8,952 AUD|Low: $4,047 AUD|High: $9,089 AUD|Avg: $5,378 AUD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 4$4,047 AUD
Retailer 2$4,232 AUD
Retailer 6$4,282 AUD
Retailer 3$4,446 AUD
Retailer 5$4,499 AUD
Retailer 8$4,526 AUD
Retailer 9$5,011 AUD
Retailer 10$5,282 AUD
Retailer 7$7,278 AUD
NZ Jewellers$8,952 AUD

31 data points across 10 retailers

7 retailers$4,047 AUD to $8,952 AUD

A
Cheapest Retailer
-
$4,047 AUD
A
Retailer 2
-
$4,232 AUD
View
A
Retailer 3
-
$4,282 AUD
View
A
Retailer 4
-
$4,446 AUD
View
A
Retailer 5
-
$4,499 AUD
View
Retailer 6
-
$7,278 AUD
View
Price last confirmed 12 days ago
Most Expensive
B
NZ Jewellers
7e5ef32b-da7d-4619-bf38-2019625475b5 · Nov 3
$8,952 AUD
$6,151 USD
View
6 more retailers have this diamond
Prices start from $4,047 AUDSave up to $4,905 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
$4,047 AUD