Radiant|Natural|GIA

1.20ct F SI2 Radiant Natural Diamond

ID • F/SI2 • GIA 03

Certificate GIA 03

Diamond specifications and retailer prices

From $4,075 AUD
As of November 4, 2026
Save $5,172 AUD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,248 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 F 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. Listed at 8 retailers as of November 4, 2026, with prices from $4,075 to $9,248, a $5,172 spread on the same certified stone. NZ Jewellers lists it at $9,248. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 03
Dimensions6.81 × 5.25 × 3.66 mm
L/W Ratio1.30
Top View
6.81 mm5.25 mm1.20 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 03
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.8%

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 4
Current: $9,248 AUD|Low: $4,075 AUD|High: $9,248 AUD|Avg: $5,408 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 8$4,075 AUD
Retailer 7$4,123 AUD
Retailer 4$4,809 AUD
Retailer 5$4,809 AUD
Retailer 2$4,945 AUD
Retailer 6$5,076 AUD
Retailer 3$5,496 AUD
NZ Jewellers$9,248 AUD

8 data points across 8 retailers

8 retailers$4,075 AUD to $9,248 AUD

A
Cheapest Retailer
-
$4,075 AUD
A
Retailer 2
-
$4,123 AUD
View
Retailer 3
-
$4,809 AUD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$4,809 AUD
View
B+
Retailer 5
-
$4,945 AUD
View
B+
Retailer 6
-
$5,076 AUD
View
B
Retailer 7
-
$5,496 AUD
View
Most Expensive
B
NZ Jewellers
368da2ef-823f-4454-93d5-679104fb3f97 · Nov 5
$9,248 AUD
$6,354 USD
View
7 more retailers have this diamond
Prices start from $4,075 AUDSave up to $5,172 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
$4,075 AUD