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Radiant|Natural|GIA

1.20ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1549459291

Certificate GIA 1549459291

Diamond specifications and retailer prices

From $3,179 AUD
As of November 4, 2026
Save $4,180 AUD (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,359 AUD at NZ Jewellers · As of November 5, 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 1549459291. Listed at 13 retailers as of November 4, 2026, with prices from $3,179 to $7,359, a $4,180 spread on the same certified stone. NZ Jewellers lists it at $7,359. 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
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549459291
Dimensions7.21 × 5.41 × 3.67 mm
L/W Ratio1.33
Key to symbols
Crystal, Feather, Pinpoint
Top View
7.21 mm5.41 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 1549459291
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.8%

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 4
Current: $7,359 AUD|Low: $2,666 AUD|High: $7,444 AUD|Avg: $3,876 AUD|+10.2%
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
November 7, 2026
Retailer 13$3,179 AUD
Retailer 11$3,248 AUD
Retailer 5$3,448 AUD
Retailer 7$3,461 AUD
Retailer 3$3,519 AUD
Retailer 4$3,560 AUD
Retailer 12$3,655 AUD
Retailer 9$3,682 AUD
Retailer 6$3,723 AUD
Retailer 8$3,812 AUD
Retailer 10$4,061 AUD
Retailer 2$6,132 AUD
NZ Jewellers$7,359 AUD

35 data points across 13 retailers

13 retailers$3,179 AUD to $7,359 AUD

A
Cheapest Retailer
-
$3,179 AUD
A
Retailer 2
-
$3,248 AUD
View
Final sale: no returns
B+
Retailer 3
-
$3,448 AUD
View
B+
Retailer 4
-
$3,461 AUD
View
B+
Retailer 5
-
$3,519 AUD
View
Retailer 6
-
$3,560 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$3,655 AUD
View
B+
Retailer 8
-
$3,682 AUD
View
B+
Retailer 9
-
$3,723 AUD
View
B+
Retailer 10
-
$3,812 AUD
View
B+
Retailer 11
-
$4,061 AUD
View
B
Retailer 12
-
$6,132 AUD
View
Most Expensive
C
NZ Jewellers
91c9356d-0ad0-41f3-b712-0e2ae6cbd229 · Nov 5
$7,359 AUD
$5,056 USD
View
12 more retailers have this diamond
Prices start from $3,179 AUDSave up to $4,180 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
1.20ct Radiant
$3,179 AUD