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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 $3,994 NZD
As of November 6, 2026
Save $7,127 NZD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,121 NZD 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 $3,994 to $11,121, a $7,127 spread on the same certified stone. NZ Jewellers lists it at $11,121. 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: $11,121 NZD|Low: $3,970 NZD|High: $11,350 NZD|Avg: $5,869 NZD|+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 7, 2026
Retailer 8$3,994 NZD
Retailer 6$4,005 NZD
Retailer 5$4,690 NZD
Retailer 10$4,910 NZD
Retailer 3$5,046 NZD
Retailer 7$5,230 NZD
Retailer 11$5,320 NZD
Retailer 9$5,524 NZD
Retailer 13$5,570 NZD
Retailer 12$5,724 NZD
Retailer 4$6,137 NZD
Retailer 2$8,846 NZD
NZ Jewellers$11,121 NZD

30 data points across 13 retailers

14 retailers$3,994 NZD to $11,121 NZD

A
Cheapest Retailer
-
$3,994 NZD
A
Retailer 2
-
$4,005 NZD
View
B
Retailer 3
-
$4,910 NZD
View
Final sale: no returns
B+
Retailer 4
-
$5,046 NZD
View
B+
Retailer 5
-
$5,230 NZD
View
B+
Retailer 6
-
$5,320 NZD
View
B
Retailer 7
-
$5,524 NZD
View
Retailer 8
-
$5,570 NZD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$5,724 NZD
View
B
Retailer 10
-
$6,137 NZD
View
Retailer 11
-
$6,391 NZD
View
Price last confirmed 29 days ago
B
Retailer 12
-
$8,846 NZD
View
Retailer 13
-
$9,649 NZD
View
Price last confirmed 29 days ago
Most Expensive
C
NZ Jewellers
70bb99a5-11c0-4c1f-beb1-7b90743d7451 · Nov 5
$11,121 NZD
$6,165 USD
View
13 more retailers have this diamond
Prices start from $3,994 NZDSave up to $7,127 NZD

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
$3,994 NZD