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Radiant|Natural|GIA

1.21ct I SI2 Radiant Natural Diamond

I/SI2 • GIA 7568523209

Certificate GIA 7568523209

Diamond specifications and retailer prices

From $3,222 AUD
As of November 6, 2026
Save $5,750 AUD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,973 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included) and certified by GIA 7568523209. Listed at 14 retailers as of November 5, 2026, with prices from $3,222 to $8,973, a $5,750 spread on the same certified stone. NZ Jewellers lists it at $8,973. 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

1.21
Carat
I
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7568523209
Dimensions7.36 × 5.32 × 3.55 mm
L/W Ratio1.38
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Needle
Top View
7.36 mm5.32 mm1.21 ctI / SI2
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7568523209
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.8%

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 6
Current: $8,973 AUD|Low: $3,203 AUD|High: $9,157 AUD|Avg: $4,736 AUD|+15.3%
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
November 6, 2026
Retailer 8$3,222 AUD
Retailer 2$3,231 AUD
Retailer 5$3,784 AUD
Retailer 10$3,962 AUD
Retailer 3$4,071 AUD
Retailer 6$4,219 AUD
Retailer 11$4,292 AUD
Retailer 9$4,456 AUD
Retailer 13$4,494 AUD
Retailer 12$4,618 AUD
Retailer 4$4,951 AUD
Retailer 7$7,177 AUD
NZ Jewellers$8,973 AUD

29 data points across 13 retailers

14 retailers$3,222 AUD to $8,973 AUD

A
Cheapest Retailer
-
$3,222 AUD
A
Retailer 2
-
$3,231 AUD
View
B
Retailer 3
-
$3,962 AUD
View
Final sale: no returns
B+
Retailer 4
-
$4,071 AUD
View
B+
Retailer 5
-
$4,219 AUD
View
B+
Retailer 6
-
$4,292 AUD
View
B
Retailer 7
-
$4,456 AUD
View
Retailer 8
-
$4,494 AUD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$4,618 AUD
View
B
Retailer 10
-
$4,951 AUD
View
Retailer 11
-
$5,156 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$7,177 AUD
View
Retailer 13
-
$7,785 AUD
View
Price last confirmed 29 days ago
Most Expensive
C
NZ Jewellers
70bb99a5-11c0-4c1f-beb1-7b90743d7451 · Nov 5
$8,973 AUD
$6,165 USD
View
13 more retailers have this diamond
Prices start from $3,222 AUDSave up to $5,750 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
1.21ct Radiant
$3,222 AUD