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Round|Natural|GIA

1.20ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6561123592

Certificate GIA 6561123592

Diamond specifications and retailer prices

From $3,126 AUD
As of November 4, 2026
Save $5,535 AUD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,661 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561123592. Listed at 17 retailers as of November 4, 2026, with prices from $3,126 to $8,661, a $5,535 spread on the same certified stone. NZ Jewellers lists it at $8,661. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6561123592
Dimensions6.85 × 6.91 × 4.15 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity
Top View
6.85 mm6.91 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561123592
Side View
Table 59.0%Crown 34.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 60.3%

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: $8,661 AUD|Low: $3,126 AUD|High: $8,661 AUD|Avg: $4,657 AUD
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
Retailer 14
November 6, 2026
Retailer 12$3,126 AUD
Retailer 9$3,260 AUD
Retailer 5$3,771 AUD
Retailer 6$3,823 AUD
Retailer 10$3,910 AUD
Retailer 3$4,143 AUD
Retailer 13$4,143 AUD
Retailer 14$4,301 AUD
Retailer 2$4,337 AUD
Retailer 7$4,358 AUD
Retailer 4$4,780 AUD
Retailer 8$4,811 AUD
Retailer 11$6,908 AUD
NZ Jewellers$8,661 AUD

35 data points across 14 retailers

17 retailers$3,126 AUD to $8,661 AUD

A
Cheapest Retailer
-
$3,126 AUD
A
Retailer 2
-
$3,260 AUD
View
A
Retailer 3
-
$3,771 AUD
View
A
Retailer 4
-
$3,821 AUD
View
A
Retailer 5
-
$3,823 AUD
View
Final sale: no returns
A
Retailer 6
-
$3,861 AUD
View
A
Retailer 7
-
$3,910 AUD
View
Retailer 8
-
$4,143 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$4,143 AUD
View
A
Retailer 10
-
$4,301 AUD
View
A
Retailer 11
-
$4,337 AUD
View
A
Retailer 12
-
$4,358 AUD
View
A
Retailer 13
-
$4,481 AUD
View
A
Retailer 14
-
$4,780 AUD
View
A
Retailer 15
-
$4,811 AUD
View
B+
Retailer 16
-
$6,908 AUD
View
Most Expensive
B
NZ Jewellers
72fd5542-28ea-40c9-a1e4-65a95aeb1280 · Nov 5
$8,661 AUD
$6,063 USD
View
16 more retailers have this diamond
Prices start from $3,126 AUDSave up to $5,535 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 Round
$3,126 AUD