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Round|Natural|GIA

1.20ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6565000093

Certificate GIA 6565000093

Diamond specifications and retailer prices

From $4,247 AUD
As of November 6, 2026
Save $5,363 AUD (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $9,610 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565000093. Listed at 23 retailers as of November 5, 2026, with prices from $4,247 to $9,610, a $5,363 spread on the same certified stone. NZ Jewellers lists it at $9,610. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565000093
Dimensions6.74 × 6.77 × 4.19 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Natural
Top View
6.74 mm6.77 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565000093
Side View
Table 61.0%Crown 34°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 62.1%

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: $9,610 AUD|Low: $4,209 AUD|High: $9,728 AUD|Avg: $6,122 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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 6, 2026
Retailer 3$4,247 AUD
Retailer 17$4,256 AUD
Retailer 22$4,701 AUD
Retailer 18$4,862 AUD
Retailer 12$4,896 AUD
Retailer 8$5,215 AUD
Retailer 2$5,279 AUD
Retailer 4$5,283 AUD
Retailer 13$5,363 AUD
Retailer 6$5,516 AUD
Retailer 9$5,516 AUD
Retailer 20$5,673 AUD
Retailer 5$5,728 AUD
Retailer 7$5,728 AUD
Retailer 10$5,868 AUD
Retailer 19$6,219 AUD
Retailer 11$6,364 AUD
Retailer 16$6,733 AUD
Retailer 15$8,006 AUD
Retailer 14$8,229 AUD
Retailer 21$9,201 AUD
NZ Jewellers$9,610 AUD

21 data points across 22 retailers

23 retailers$4,247 AUD to $9,610 AUD

A
Cheapest Retailer
-
$4,247 AUD
A
Retailer 2
-
$4,256 AUD
View
B+
Retailer 3
-
$4,701 AUD
View
B+
Retailer 4
-
$4,862 AUD
View
B+
Retailer 5
-
$4,896 AUD
View
B+
Retailer 6
-
$5,215 AUD
View
B+
Retailer 7
-
$5,279 AUD
View
B
Retailer 8
-
$5,283 AUD
View
B+
Retailer 9
-
$5,363 AUD
View
B
Retailer 10
-
$5,516 AUD
View
Retailer 11
-
$5,516 AUD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$5,673 AUD
View
B+
Retailer 13
-
$5,728 AUD
View
B+
Retailer 14
-
$5,728 AUD
View
B+
Retailer 15
-
$5,868 AUD
View
Retailer 16
-
$6,203 AUD
View
Price last confirmed 34 days ago
B+
Retailer 17
-
$6,219 AUD
View
B
Retailer 18
-
$6,364 AUD
View
B
Retailer 19
-
$6,733 AUD
View
B
Retailer 20
-
$8,006 AUD
View
B
Retailer 21
-
$8,229 AUD
View
B
Retailer 22
-
$9,201 AUD
View
Most Expensive
B
NZ Jewellers
8780f0be-69f8-4e7d-bdd6-8078473ce4a6 · Nov 5
$9,610 AUD
$6,603 USD
View
22 more retailers have this diamond
Prices start from $4,247 AUDSave up to $5,363 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
$4,247 AUD