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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 3555882621

Certificate GIA 3555882621

Diamond specifications and retailer prices

From $3,202 AUD
As of November 5, 2026
Save $3,350 AUD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,552 AUD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555882621. Listed at 10 retailers as of November 5, 2026, with prices from $3,202 to $6,552, a $3,350 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,552. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555882621
Dimensions6.87 × 6.91 × 4.13 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.87 mm6.91 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555882621
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.9%

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 5
Current: $4,788 AUD|Low: $3,183 AUD|High: $7,250 AUD|Avg: $4,962 AUD|-10.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 5, 2026
Retailer 2$3,202 AUD
Retailer 4$3,931 AUD
Retailer 5$3,998 AUD
Retailer 8$4,353 AUD
Retailer 6$4,675 AUD
Retailer 1$4,788 AUD
Retailer 7$4,825 AUD
Retailer 3$5,008 AUD
Retailer 9$6,095 AUD
Wholesale Diamonds Direct$6,552 AUD

32 data points across 10 retailers

10 retailers$3,202 AUD to $6,552 AUD

A
Cheapest Retailer
-
$3,202 AUD
A
Retailer 2
-
$3,931 AUD
View
A
Retailer 3
-
$3,998 AUD
View
A
Retailer 4
-
$4,353 AUD
View
A
Retailer 5
-
$4,675 AUD
View
A
Retailer 6
-
$4,788 AUD
View
B+
Retailer 7
-
$4,825 AUD
View
B+
Retailer 8
-
$5,008 AUD
View
B+
Retailer 9
-
$6,095 AUD
View
Most Expensive
B+
Wholesale Diamonds Direct
610677879 · Nov 6
$6,552 AUD
$4,502 USD
View
9 more retailers have this diamond
Prices start from $3,202 AUDSave up to $3,350 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
$3,202 AUD