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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1558967796

Certificate GIA 1558967796

Diamond specifications and retailer prices

From $4,170 AUD
As of November 6, 2026
Save $4,785 AUD (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,955 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 1558967796. Listed at 18 retailers as of November 5, 2026, with prices from $4,170 to $8,955, a $4,785 spread on the same certified stone. NZ Jewellers lists it at $8,955. 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
OriginNatural
Grading LabGIA
CertificateGIA 1558967796
Dimensions6.80 × 6.84 × 4.18 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.80 mm6.84 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558967796
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.3%

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 6
Current: $8,955 AUD|Low: $3,940 AUD|High: $8,955 AUD|Avg: $5,685 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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 15$4,170 AUD
Retailer 14$4,298 AUD
Retailer 3$4,657 AUD
Retailer 5$4,657 AUD
Retailer 17$4,836 AUD
Retailer 16$5,059 AUD
Retailer 6$5,283 AUD
Retailer 7$5,283 AUD
Retailer 2$5,286 AUD
Retailer 4$5,373 AUD
Retailer 8$5,458 AUD
Retailer 10$5,635 AUD
Retailer 9$5,825 AUD
Retailer 11$5,960 AUD
Retailer 13$7,418 AUD
Retailer 12$8,572 AUD
NZ Jewellers$8,955 AUD

40 data points across 17 retailers

18 retailers$4,170 AUD to $8,955 AUD

A
Cheapest Retailer
-
$4,170 AUD
B+
Retailer 2
-
$4,289 AUD
View
B+
Retailer 3
-
$4,298 AUD
View
Final sale: no returns
B+
Retailer 4
-
$4,657 AUD
View
Retailer 5
-
$4,657 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$4,836 AUD
View
B+
Retailer 7
-
$5,059 AUD
View
B+
Retailer 8
-
$5,283 AUD
View
B+
Retailer 9
-
$5,283 AUD
View
B+
Retailer 10
-
$5,286 AUD
View
B
Retailer 11
-
$5,373 AUD
View
B
Retailer 12
-
$5,458 AUD
View
B+
Retailer 13
-
$5,635 AUD
View
Retailer 14
-
$5,825 AUD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
$5,960 AUD
View
B
Retailer 16
-
$7,418 AUD
View
B
Retailer 17
-
$8,572 AUD
View
Most Expensive
B
NZ Jewellers
7f0f3f09-7135-45e1-9551-3217c59347c3 · Nov 5
$8,955 AUD
$6,153 USD
View
17 more retailers have this diamond
Prices start from $4,170 AUDSave up to $4,785 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
$4,170 AUD