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Round|Natural|GIA

1.20ct G SI2 Round Natural Diamond

VG • G/SI2 • GIA 2406656549

Certificate GIA 2406656549

Diamond specifications and retailer prices

From $3,390 AUD
As of November 6, 2026
Save $6,156 AUD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,546 AUD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2406656549. Listed at 18 retailers as of November 5, 2026, with prices from $3,390 to $9,546, a $6,156 spread on the same certified stone. Diamond Quarter lists it at $9,546. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
G
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2406656549
Dimensions6.66 × 6.61 × 4.29 mm
L/W Ratio1.01
Top View
6.66 mm6.61 mm1.20 ctG / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2406656549
Side View
Table 55.0%Crown 38°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.7%

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: $4,654 AUD|Low: $3,215 AUD|High: $8,043 AUD|Avg: $4,788 AUD|-0.2%
Retailer 1
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 12$3,390 AUD
Retailer 16$3,602 AUD
Retailer 2$3,605 AUD
Retailer 17$3,807 AUD
Retailer 3$3,909 AUD
Retailer 8$4,125 AUD
Retailer 15$4,125 AUD
Retailer 13$4,283 AUD
Retailer 1$4,654 AUD
Retailer 4$4,701 AUD
Retailer 14$4,701 AUD
Retailer 9$4,759 AUD
Retailer 11$4,816 AUD
Retailer 6$4,861 AUD
Retailer 5$5,283 AUD
Retailer 10$7,594 AUD
Retailer 7$7,933 AUD

40 data points across 17 retailers

18 retailers$3,390 AUD to $9,546 AUD

A
Cheapest Retailer
-
$3,390 AUD
A
Retailer 2
-
$3,602 AUD
View
A
Retailer 3
-
$3,605 AUD
View
B+
Retailer 4
-
$3,807 AUD
View
Final sale: no returns
A
Retailer 5
-
$3,909 AUD
View
Retailer 6
-
$4,125 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,125 AUD
View
B+
Retailer 8
-
$4,283 AUD
View
B+
Retailer 9
-
$4,654 AUD
View
B+
Retailer 10
-
$4,701 AUD
View
B+
Retailer 11
-
$4,701 AUD
View
B+
Retailer 12
-
$4,759 AUD
View
B+
Retailer 13
-
$4,816 AUD
View
B+
Retailer 14
-
$4,861 AUD
View
Retailer 15
-
$5,283 AUD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$7,594 AUD
View
B
Retailer 17
-
$7,933 AUD
View
Most Expensive
B
Diamond Quarter
1.2SI2G24496915N · Nov 5
$9,546 AUD
£5,164 GBP
View
17 more retailers have this diamond
Prices start from $3,390 AUDSave up to $6,156 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
$3,390 AUD