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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 $4,067 SGD
As of November 6, 2026
Save $5,438 SGD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,504 SGD 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 $4,067 to $9,504, a $5,438 spread on the same certified stone. NZ Jewellers lists it at $9,504. 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: $9,504 SGD|Low: $4,034 SGD|High: $9,897 SGD|Avg: $5,858 SGD|-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$4,067 SGD
Retailer 12$4,084 SGD
Retailer 5$4,964 SGD
Retailer 4$5,035 SGD
Retailer 3$5,139 SGD
Retailer 8$5,326 SGD
Retailer 13$5,456 SGD
Retailer 14$5,456 SGD
Retailer 10$5,460 SGD
Retailer 15$5,772 SGD
Retailer 7$5,839 SGD
Retailer 6$6,295 SGD
Retailer 2$6,760 SGD
Retailer 9$9,074 SGD
NZ Jewellers$9,504 SGD

30 data points across 15 retailers

16 retailers$4,067 SGD to $9,504 SGD

B+
Cheapest Retailer
-
$4,067 SGD
B+
Retailer 2
-
$4,084 SGD
View
B+
Retailer 3
-
$4,528 SGD
View
B+
Retailer 4
-
$4,964 SGD
View
B+
Retailer 5
-
$5,035 SGD
View
Final sale: no returns
Retailer 6
-
$5,139 SGD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
$5,326 SGD
View
B+
Retailer 8
-
$5,456 SGD
View
B+
Retailer 9
-
$5,456 SGD
View
B+
Retailer 10
-
$5,460 SGD
View
B+
Retailer 11
-
$5,772 SGD
View
Price last confirmed 7 days ago
Retailer 12
-
$5,839 SGD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$6,295 SGD
View
Retailer 14
-
$6,760 SGD
View
B
Retailer 15
-
$9,074 SGD
View
Most Expensive
B
NZ Jewellers
32679ae2-adf4-4ffa-b85f-ca694f563f22 · Nov 5
$9,504 SGD
$7,416 USD
View
15 more retailers have this diamond
Prices start from $4,067 SGDSave up to $5,438 SGD

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
$4,067 SGD