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Radiant|Natural|GIA

1.20ct E SI1 Radiant Natural Diamond

EX • E/SI1 • GIA 2547669844

Certificate GIA 2547669844

Diamond specifications and retailer prices

From $5,452 AUD
As of November 2, 2026
Save $4,288 AUD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,740 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547669844. Listed at 8 retailers as of November 2, 2026, with prices from $5,452 to $9,740, a $4,288 spread on the same certified stone. NZ Jewellers lists it at $9,740. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.61°
Pavilion angle29.81°
OriginNatural
Grading LabGIA
CertificateGIA 2547669844
Dimensions6.75 × 5.23 × 3.60 mm
L/W Ratio1.29
Top View
6.75 mm5.23 mm1.20 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2547669844
Side View
Table 64.0%Crown 45.61°Girdle: THK-VTKPavilion 29.81°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $9,740 AUD|Low: $5,184 AUD|High: $9,952 AUD|Avg: $6,572 AUD|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 11$5,184 AUD
Retailer 7$5,452 AUD
Retailer 9$5,590 AUD
Retailer 2$5,596 AUD
Retailer 8$5,803 AUD
Retailer 5$5,806 AUD
Retailer 10$6,119 AUD
Retailer 12$6,229 AUD
Retailer 3$6,299 AUD
Retailer 4$6,564 AUD
Retailer 6$9,348 AUD
NZ Jewellers$9,740 AUD

35 data points across 12 retailers

8 retailers$5,452 AUD to $9,740 AUD

B+
Cheapest Retailer
-
$5,452 AUD
B+
Retailer 2
-
$5,590 AUD
View
B+
Retailer 3
-
$5,596 AUD
View
B+
Retailer 4
-
$5,803 AUD
View
B+
Retailer 5
-
$5,806 AUD
View
Retailer 6
-
$6,119 AUD
View
Price last confirmed 30 days ago
B
Retailer 7
-
$9,348 AUD
View
Most Expensive
B
NZ Jewellers
bdaa013c-92f0-447a-bf8a-7467dbce6381 · Nov 3
$9,740 AUD
$6,692 USD
View
7 more retailers have this diamond
Prices start from $5,452 AUDSave up to $4,288 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
$5,452 AUD