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Radiant|Natural|GIA

1.20ct G SI1 Radiant Natural Diamond

VG • G/SI1 • GIA 2245004878

Certificate GIA 2245004878

Diamond specifications and retailer prices

From $3,382 AUD
SGD 3,203 SGD
As of November 3, 2026
Save $2,905 AUD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,287 AUD at Helzberg Diamonds · As of November 3, 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 SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 2245004878. Listed at 12 retailers as of November 3, 2026, with prices from $3,382 to $6,287, a $2,905 spread on the same certified stone. Helzberg Diamonds lists it at $6,287. 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
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2245004878
Dimensions7.35 × 5.21 × 3.59 mm
L/W Ratio1.41
Culet sizeNone
Top View
7.35 mm5.21 mm1.20 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245004878
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

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 3
Current: $6,287 AUD|Low: $3,368 AUD|High: $6,818 AUD|Avg: $4,665 AUD|-7.8%
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 3, 2026
Retailer 2$3,382 AUD
Retailer 8$3,597 AUD
Retailer 9$3,631 AUD
Retailer 7$3,659 AUD
Retailer 5$3,918 AUD
Retailer 3$3,984 AUD
Retailer 11$4,292 AUD
Retailer 12$4,457 AUD
Retailer 6$4,710 AUD
Retailer 10$5,576 AUD
Retailer 4$6,021 AUD
Helzberg Diamonds$6,287 AUD

38 data points across 12 retailers

12 retailers$3,382 AUD to $6,287 AUD

A
Cheapest Retailer
-
$3,382 AUD
SGD 3,203 SGD
A
Retailer 2
-
$3,597 AUD
$2,521 USD
View
A
Retailer 3
-
$3,631 AUD
$2,545 USD
View
A
Retailer 4
-
$3,659 AUD
$2,564 USD
View
A
Retailer 5
-
$3,918 AUD
£2,162 GBP
View
A
Retailer 6
-
$3,984 AUD
SGD 3,773 SGD
View
B+
Retailer 7
-
$4,292 AUD
$3,008 USD
View
B+
Retailer 8
-
$4,457 AUD
$3,124 USD
View
B+
Retailer 9
-
$4,710 AUD
€3,144 EUR
View
B+
Retailer 10
-
$5,576 AUD
$3,908 USD
View
B
Retailer 11
-
$6,021 AUD
$4,219 USD
View
Most Expensive
B
Helzberg Diamonds
XZRIIKLGGKONO · Nov 3
$6,287 AUD
$4,406 USD
View
11 more retailers have this diamond
Prices start from $3,382 AUDSave up to $2,905 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
$3,382 AUD