Round|Natural|GIA

1.20ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6561123668

Certificate GIA 6561123668

Diamond specifications and retailer prices

From $3,043 AUD
HK$16,700 HKD
As of November 1, 2026
Save $5,420 AUD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,463 AUD at NZ Jewellers · As of October 30, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561123668. Listed at 18 retailers as of October 30, 2026, with prices from $3,043 to $8,463, a $5,420 spread on the same certified stone. NZ Jewellers lists it at $8,463. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561123668
Dimensions6.74 × 6.80 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
6.74 mm6.80 mm1.20 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561123668
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $8,463 AUD|Low: $3,043 AUD|High: $8,463 AUD|Avg: $4,607 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 1, 2026
Retailer 11$3,043 AUD
Retailer 2$3,199 AUD
Retailer 5$3,533 AUD
Retailer 8$3,680 AUD
Retailer 4$3,687 AUD
Retailer 6$3,736 AUD
Retailer 12$4,049 AUD
Retailer 14$4,049 AUD
Retailer 13$4,204 AUD
Retailer 10$4,302 AUD
Retailer 3$4,671 AUD
Retailer 7$4,718 AUD
Retailer 9$7,093 AUD
NZ Jewellers$8,463 AUD

25 data points across 14 retailers

18 retailers$3,043 AUD to $8,463 AUD

A
Cheapest Retailer
-
$3,043 AUD
HK$16,700 HKD
A
Retailer 2
-
$3,199 AUD
₹214,043 INR
View
A
Retailer 3
-
$3,533 AUD
SGD 3,354 SGD
View
A
Retailer 4
-
$3,680 AUD
£2,036 GBP
View
Retailer 5
-
$3,687 AUD
$2,590 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$3,736 AUD
$2,624 USD
View
Final sale: no returns
A
Retailer 7
-
$3,741 AUD
$2,628 USD
View
A
Retailer 8
-
$3,773 AUD
$2,650 USD
View
A
Retailer 9
-
$4,049 AUD
$2,844 USD
View
A
Retailer 10
-
$4,049 AUD
$2,844 USD
View
A
Retailer 11
-
$4,204 AUD
$2,953 USD
View
A
Retailer 12
-
$4,237 AUD
SGD 4,022 SGD
View
A
Retailer 13
-
$4,302 AUD
£2,379 GBP
View
A
Retailer 14
-
$4,383 AUD
$3,079 USD
View
B+
Retailer 15
-
$4,671 AUD
$3,281 USD
View
B+
Retailer 16
-
$4,718 AUD
€3,156 EUR
View
B
Retailer 17
-
$7,093 AUD
£3,923 GBP
View
Most Expensive
B
NZ Jewellers
0250c111-68ee-4bb8-b7d8-04c9dad8324b · Oct 30
$8,463 AUD
$5,945 USD
View
17 more retailers have this diamond
Prices start from $3,043 AUDSave up to $5,420 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
$3,043 AUD