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Radiant|Natural|GIA

1.20ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 2537802673

Certificate GIA 2537802673

Diamond specifications and retailer prices

From $3,831 AUD
As of November 5, 2026
5 retailers carry this diamond
Most expensive: $8,299 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2537802673. Listed at 5 retailers as of November 5, 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
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle56.3°
OriginNatural
Grading LabGIA
CertificateGIA 2537802673
Dimensions5.93 × 5.82 × 3.83 mm
L/W Ratio1.02
Top View
5.93 mm5.82 mm1.20 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537802673
Side View
Table 65.0%CrownGirdle: ThickPavilion 56.3°Culet: NoneDepth 65.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $3,831 AUD|Low: $3,320 AUD|High: $8,060 AUD|Avg: $5,057 AUD|+0.2%
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
November 5, 2026
Retailer 11$3,320 AUD
Retailer 1$3,831 AUD
Retailer 9$4,146 AUD
Retailer 3$4,259 AUD
Retailer 4$4,451 AUD
Retailer 2$4,732 AUD
Retailer 13$4,732 AUD
Retailer 6$4,979 AUD
Retailer 5$5,123 AUD
Retailer 7$5,267 AUD
Retailer 10$5,453 AUD
Retailer 12$6,938 AUD
Retailer 8$8,060 AUD

16 data points across 13 retailers

5 retailers

A
Cheapest Retailer
-
$3,831 AUD
Retailer 2
-
$4,732 AUD
View
Price last confirmed 31 days ago
Retailer 3
-
$5,453 AUD
View
Price last confirmed 31 days ago
Retailer 4
-
$8,060 AUD
View
Price last confirmed 33 days ago
Most Expensive
NZ Jewellers
3f4660e3-2d4d-4e7d-af8a-b0267084dd96 · Sep 30
$8,299 AUD
$5,702 USD
View
Price last confirmed 37 days ago
4 more retailers have this diamond
Prices start from $3,831 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
$3,831 AUD