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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 HK$24,868 HKD
As of November 6, 2026
Save HK$33,254 HKD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$58,122 HKD 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 HK$24,868 to HK$58,122, a HK$33,254 spread on the same certified stone. NZ Jewellers lists it at HK$58,122. 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: HK$58,122 HKD|Low: HK$24,672 HKD|High: HK$60,520 HKD|Avg: HK$35,826 HKD|-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 11HK$24,868 HKD
Retailer 12HK$24,978 HKD
Retailer 5HK$30,354 HKD
Retailer 4HK$30,793 HKD
Retailer 3HK$31,428 HKD
Retailer 8HK$32,572 HKD
Retailer 13HK$33,364 HKD
Retailer 14HK$33,364 HKD
Retailer 10HK$33,387 HKD
Retailer 15HK$35,300 HKD
Retailer 7HK$35,707 HKD
Retailer 6HK$38,497 HKD
Retailer 2HK$41,342 HKD
Retailer 9HK$55,489 HKD
NZ JewellersHK$58,122 HKD

30 data points across 15 retailers

16 retailersHK$24,868 HKD to HK$58,122 HKD

B+
Cheapest Retailer
-
HK$24,868 HKD
B+
Retailer 2
-
HK$24,978 HKD
View
B+
Retailer 3
-
HK$27,690 HKD
View
B+
Retailer 4
-
HK$30,354 HKD
View
B+
Retailer 5
-
HK$30,793 HKD
View
Final sale: no returns
Retailer 6
-
HK$31,428 HKD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
HK$32,572 HKD
View
B+
Retailer 8
-
HK$33,364 HKD
View
B+
Retailer 9
-
HK$33,364 HKD
View
B+
Retailer 10
-
HK$33,387 HKD
View
B+
Retailer 11
-
HK$35,300 HKD
View
Price last confirmed 7 days ago
Retailer 12
-
HK$35,707 HKD
View
Price last confirmed 29 days ago
B
Retailer 13
-
HK$38,497 HKD
View
Retailer 14
-
HK$41,342 HKD
View
B
Retailer 15
-
HK$55,489 HKD
View
Most Expensive
B
NZ Jewellers
32679ae2-adf4-4ffa-b85f-ca694f563f22 · Nov 5
HK$58,122 HKD
$7,416 USD
View
15 more retailers have this diamond
Prices start from HK$24,868 HKDSave up to HK$33,254 HKD

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
HK$24,868 HKD