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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6555733463

Certificate GIA 6555733463

Diamond specifications and retailer prices

From $2,477 AUD
As of November 6, 2026
Save $4,676 AUD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,153 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555733463. Listed at 8 retailers as of November 5, 2026, with prices from $2,477 to $7,153, a $4,676 spread on the same certified stone. NZ Jewellers lists it at $7,153. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555733463
Dimensions6.70 × 6.75 × 4.22 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.70 mm6.75 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555733463
Side View
Table 57.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.7%

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 6
Current: $7,153 AUD|Low: $2,477 AUD|High: $7,738 AUD|Avg: $4,455 AUD|-7.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 3$2,477 AUD
Retailer 7$3,422 AUD
Retailer 4$3,442 AUD
Retailer 2$3,521 AUD
Retailer 8$3,810 AUD
Retailer 5$4,192 AUD
Retailer 6$5,993 AUD
NZ Jewellers$7,153 AUD

35 data points across 8 retailers

8 retailers$2,477 AUD to $7,153 AUD

A
Cheapest Retailer
-
$2,477 AUD
A
Retailer 2
-
$3,422 AUD
View
A
Retailer 3
-
$3,442 AUD
View
A
Retailer 4
-
$3,521 AUD
View
A
Retailer 5
-
$3,810 AUD
View
A
Retailer 6
-
$4,192 AUD
View
B+
Retailer 7
-
$5,993 AUD
View
Most Expensive
B
NZ Jewellers
b1f26f41-5eed-4a54-bf82-32169e994469 · Nov 5
$7,153 AUD
$4,915 USD
View
7 more retailers have this diamond
Prices start from $2,477 AUDSave up to $4,676 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
$2,477 AUD