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Radiant|Natural|GIA

1.20ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 2558329168

Certificate GIA 2558329168

Diamond specifications and retailer prices

From $4,454 AUD
As of November 7, 2026
5 retailers carry this diamond
Most expensive: $7,849 AUD at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-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 2558329168. Listed at 5 retailers as of November 7, 2026. 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

1.20
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558329168
Dimensions7.09 × 5.24 × 3.56 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.09 mm5.24 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558329168
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 7
Current: $5,161 AUD|Low: $3,253 AUD|High: $7,685 AUD|Avg: $4,643 AUD|-0.1%
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
October 6, 2026
Retailer 12$3,253 AUD
Retailer 8$3,315 AUD
Retailer 9$3,406 AUD
Retailer 4$3,547 AUD
Retailer 10$3,590 AUD
Retailer 2$4,112 AUD
Retailer 6$4,253 AUD
Retailer 11$4,293 AUD
Retailer 5$4,454 AUD
Retailer 1$5,161 AUD
Retailer 13$6,200 AUD
Retailer 7$6,699 AUD
Retailer 3$7,520 AUD

13 data points across 13 retailers

5 retailers

Retailer 1
-
$3,315 AUD
Price last confirmed 30 days ago
Retailer 2
-
$4,293 AUD
View
Price last confirmed 32 days ago
B+
Retailer 3
-
$4,454 AUD
View
Retailer 4
-
$7,520 AUD
View
Price last confirmed 33 days ago
Most Expensive
NZ Jewellers
c967ca96-84e2-48fc-9430-dc67ca46b25d · Sep 30
$7,849 AUD
$5,393 USD
View
Price last confirmed 37 days ago
4 more retailers have this diamond
Prices start from $4,454 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.

B+
1.20ct Radiant
$4,454 AUD