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Radiant|Natural|GIA

1.20ct G SI2 Radiant Natural Diamond

EX • G/SI2 • GIA 6561389772

Certificate GIA 6561389772

Diamond specifications and retailer prices

From $3,664 AUD
SGD 3,478 SGD
As of October 31, 2026
Save $3,147 AUD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,811 AUD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561389772. Listed at 12 retailers as of October 31, 2026, with prices from $3,664 to $6,811, a $3,147 spread on the same certified stone. Helzberg Diamonds lists it at $6,811. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561389772
Dimensions7.16 × 5.30 × 3.60 mm
L/W Ratio1.35
Culet sizeNone
Top View
7.16 mm5.30 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561389772
Side View
Table 68.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 68.0%

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: Oct 31
Current: $6,811 AUD|Low: $3,664 AUD|High: $6,941 AUD|Avg: $4,852 AUD|-1.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 3$3,664 AUD
Retailer 10$3,895 AUD
Retailer 6$3,936 AUD
Retailer 8$3,963 AUD
Retailer 5$4,277 AUD
Retailer 12$4,315 AUD
Retailer 9$4,628 AUD
Retailer 11$4,773 AUD
Retailer 2$4,783 AUD
Retailer 7$4,971 AUD
Retailer 4$6,514 AUD
Helzberg Diamonds$6,811 AUD

36 data points across 12 retailers

12 retailers$3,664 AUD to $6,811 AUD

A
Cheapest Retailer
-
$3,664 AUD
SGD 3,478 SGD
A
Retailer 2
-
$3,895 AUD
$2,736 USD
View
A
Retailer 3
-
$3,936 AUD
$2,765 USD
View
A
Retailer 4
-
$3,963 AUD
$2,784 USD
View
B+
Retailer 5
-
$4,277 AUD
£2,366 GBP
View
B+
Retailer 6
-
$4,315 AUD
SGD 4,096 SGD
View
B+
Retailer 7
-
$4,628 AUD
$3,251 USD
View
B+
Retailer 8
-
$4,773 AUD
$3,353 USD
View
B+
Retailer 9
-
$4,783 AUD
€3,200 EUR
View
B+
Retailer 10
-
$4,971 AUD
$3,492 USD
View
B
Retailer 11
-
$6,514 AUD
$4,576 USD
View
Most Expensive
B
Helzberg Diamonds
XZRMLMHJOPNNI · Nov 1
$6,811 AUD
$4,784 USD
View
11 more retailers have this diamond
Prices start from $3,664 AUDSave up to $3,147 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 Radiant
$3,664 AUD