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Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 5526904201

Certificate GIA 5526904201

Diamond specifications and retailer prices

From HK$33,301 HKD
As of November 5, 2026
Save HK$37,188 HKD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$70,490 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 5526904201. Listed at 20 retailers as of November 5, 2026, with prices from HK$33,301 to HK$70,490, a HK$37,188 spread on the same certified stone. NZ Jewellers lists it at HK$70,490. 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
Pavilion angle33.5°
OriginNatural
Grading LabGIA
CertificateGIA 5526904201
Dimensions7.12 × 5.27 × 3.52 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.12 mm5.27 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5526904201
Side View
Table 66.0%CrownGirdle: STK-THKPavilion 33.5°Culet: NDepth 66.7%

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 5
Current: HK$70,490 HKD|Low: HK$29,375 HKD|High: HK$70,490 HKD|Avg: HK$45,289 HKD
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
November 7, 2026
Retailer 12HK$33,301 HKD
Retailer 13HK$35,253 HKD
Retailer 6HK$35,974 HKD
Retailer 3HK$38,184 HKD
Retailer 4HK$38,184 HKD
Retailer 5HK$38,184 HKD
Retailer 9HK$40,715 HKD
Retailer 14HK$42,487 HKD
Retailer 7HK$44,838 HKD
Retailer 10HK$47,424 HKD
Retailer 11HK$51,421 HKD
Retailer 2HK$52,691 HKD
Retailer 8HK$66,767 HKD
NZ JewellersHK$70,490 HKD

45 data points across 14 retailers

20 retailersHK$33,301 HKD to HK$70,490 HKD

B+
Cheapest Retailer
-
HK$33,301 HKD
B
Retailer 2
-
HK$35,253 HKD
View
Final sale: no returns
B
Retailer 3
-
HK$35,543 HKD
View
B
Retailer 4
-
HK$35,786 HKD
View
B
Retailer 5
-
HK$35,974 HKD
View
B
Retailer 6
-
HK$38,184 HKD
View
B
Retailer 7
-
HK$38,184 HKD
View
Retailer 8
-
HK$38,184 HKD
View
Price last confirmed 9 days ago
B
Retailer 9
-
HK$40,715 HKD
View
B
Retailer 10
-
HK$41,609 HKD
View
Retailer 11
-
HK$42,487 HKD
View
Price last confirmed 29 days ago
B
Retailer 12
-
HK$44,054 HKD
View
Retailer 13
-
HK$44,838 HKD
View
Retailer 14
-
HK$46,515 HKD
View
Price last confirmed 15 days ago
B
Retailer 15
-
HK$47,424 HKD
View
B
Retailer 16
-
HK$47,573 HKD
View
B
Retailer 17
-
HK$51,421 HKD
View
Retailer 18
-
HK$52,691 HKD
View
B
Retailer 19
-
HK$66,767 HKD
View
Most Expensive
B
NZ Jewellers
3c3d90cd-a52c-4c09-96da-7034f867374f · Nov 5
HK$70,490 HKD
$8,994 USD
View
19 more retailers have this diamond
Prices start from HK$33,301 HKDSave up to HK$37,188 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$33,301 HKD