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Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 2566444631

Certificate GIA 2566444631

Diamond specifications and retailer prices

From HK$26,475 HKD
As of November 4, 2026
Save HK$21,093 HKD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$47,568 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 2566444631. Listed at 14 retailers as of November 4, 2026, with prices from HK$26,475 to HK$47,568, a HK$21,093 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$47,568. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566444631
Dimensions7.41 × 5.30 × 3.60 mm
L/W Ratio1.40
Culet sizeNone
Top View
7.41 mm5.30 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566444631
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.9%

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 4
Current: HK$30,558 HKD|Low: HK$26,475 HKD|High: HK$47,568 HKD|Avg: HK$34,325 HKD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 7, 2026
Retailer 12HK$26,475 HKD
Retailer 3HK$26,906 HKD
Retailer 8HK$27,117 HKD
Retailer 10HK$28,285 HKD
Retailer 9HK$28,685 HKD
Retailer 5HK$28,889 HKD
Retailer 1HK$30,558 HKD
Retailer 11HK$33,677 HKD
Retailer 4HK$34,069 HKD
Retailer 7HK$35,284 HKD
Retailer 6HK$36,734 HKD
Retailer 2HK$44,650 HKD
Retailer 13HK$47,432 HKD
Wholesale Diamonds DirectHK$47,568 HKD

38 data points across 14 retailers

14 retailersHK$26,475 HKD to HK$47,568 HKD

B+
Cheapest Retailer
-
HK$26,475 HKD
B+
Retailer 2
-
HK$26,906 HKD
View
B+
Retailer 3
-
HK$27,117 HKD
View
B+
Retailer 4
-
HK$28,285 HKD
View
Retailer 5
-
HK$28,685 HKD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
HK$28,889 HKD
View
B+
Retailer 7
-
HK$30,558 HKD
View
B
Retailer 8
-
HK$33,677 HKD
View
B
Retailer 9
-
HK$34,069 HKD
View
B
Retailer 10
-
HK$35,284 HKD
View
B
Retailer 11
-
HK$36,734 HKD
View
B
Retailer 12
-
HK$44,650 HKD
View
B
Retailer 13
-
HK$47,432 HKD
View
Most Expensive
B
Wholesale Diamonds Direct
451166363 · Nov 6
HK$47,568 HKD
$6,069 USD
View
13 more retailers have this diamond
Prices start from HK$26,475 HKDSave up to HK$21,093 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$26,475 HKD