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Radiant|Natural|GIA

1.20ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 1533122239

Certificate GIA 1533122239

Diamond specifications and retailer prices

From $3,427 AUD
As of November 2, 2026
Save $3,820 AUD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,248 AUD at NZ Jewellers · As of November 3, 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 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 1533122239. Listed at 6 retailers as of November 2, 2026, with prices from $3,427 to $7,248, a $3,820 spread on the same certified stone. NZ Jewellers lists it at $7,248. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.15°
Pavilion angle31.49°
OriginNatural
Grading LabGIA
CertificateGIA 1533122239
Dimensions6.57 × 5.25 × 3.66 mm
L/W Ratio1.25
Girdle conditionVery Thick
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
6.57 mm5.25 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1533122239
Side View
Table 65.0%Crown 48.15°Girdle: THK-VTKPavilion 31.49°Culet: 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 2
Current: $7,248 AUD|Low: $3,426 AUD|High: $9,315 AUD|Avg: $4,976 AUD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 3$3,427 AUD
Retailer 5$3,467 AUD
Retailer 2$3,627 AUD
Retailer 6$3,675 AUD
Retailer 10$3,879 AUD
Retailer 8$4,002 AUD
Retailer 9$4,363 AUD
Retailer 4$6,073 AUD
NZ Jewellers$7,248 AUD
Retailer 7$9,315 AUD

30 data points across 10 retailers

6 retailers$3,427 AUD to $7,248 AUD

A
Cheapest Retailer
-
$3,427 AUD
A
Retailer 2
-
$3,467 AUD
View
A
Retailer 3
-
$3,627 AUD
View
A
Retailer 4
-
$3,675 AUD
View
B+
Retailer 5
-
$6,073 AUD
View
Most Expensive
B
NZ Jewellers
9cdb90db-0a46-47a8-a1ec-449dc5efcc23 · Nov 3
$7,248 AUD
$4,980 USD
View
5 more retailers have this diamond
Prices start from $3,427 AUDSave up to $3,820 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
$3,427 AUD