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Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 7566324802

Certificate GIA 7566324802

Diamond specifications and retailer prices

From $4,618 AUD
As of November 6, 2026
Save $6,175 AUD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,793 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7566324802. Listed at 16 retailers as of November 5, 2026, with prices from $4,618 to $10,793, a $6,175 spread on the same certified stone. NZ Jewellers lists it at $10,793. 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

1.21
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7566324802
Dimensions7.07 × 5.42 × 3.72 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.07 mm5.42 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7566324802
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $10,793 AUD|Low: $4,582 AUD|High: $11,239 AUD|Avg: $6,653 AUD|-4.0%
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
Retailer 14
Retailer 15
November 7, 2026
Retailer 11$4,618 AUD
Retailer 12$4,638 AUD
Retailer 5$5,637 AUD
Retailer 4$5,718 AUD
Retailer 3$5,836 AUD
Retailer 8$6,049 AUD
Retailer 13$6,196 AUD
Retailer 14$6,196 AUD
Retailer 10$6,200 AUD
Retailer 15$6,555 AUD
Retailer 7$6,631 AUD
Retailer 6$7,149 AUD
Retailer 2$7,677 AUD
Retailer 9$10,304 AUD
NZ Jewellers$10,793 AUD

30 data points across 15 retailers

16 retailers$4,618 AUD to $10,793 AUD

B+
Cheapest Retailer
-
$4,618 AUD
B+
Retailer 2
-
$4,638 AUD
View
B+
Retailer 3
-
$5,142 AUD
View
B+
Retailer 4
-
$5,637 AUD
View
B+
Retailer 5
-
$5,718 AUD
View
Final sale: no returns
Retailer 6
-
$5,836 AUD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$6,049 AUD
View
B+
Retailer 8
-
$6,196 AUD
View
B+
Retailer 9
-
$6,196 AUD
View
B+
Retailer 10
-
$6,200 AUD
View
B+
Retailer 11
-
$6,555 AUD
View
Price last confirmed 7 days ago
Retailer 12
-
$6,631 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$7,149 AUD
View
Retailer 14
-
$7,677 AUD
View
B
Retailer 15
-
$10,304 AUD
View
Most Expensive
B
NZ Jewellers
32679ae2-adf4-4ffa-b85f-ca694f563f22 · Nov 5
$10,793 AUD
$7,416 USD
View
15 more retailers have this diamond
Prices start from $4,618 AUDSave up to $6,175 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.

B+
1.21ct Radiant
$4,618 AUD