CaratHunter
Plans
Radiant|Natural|GIA

1.21ct F I1 Radiant Natural Diamond

EX • F/I1 • GIA 2557139119

Certificate GIA 2557139119

Diamond specifications and retailer prices

From HK$21,522 HKD
$2,743 USD
As of October 29, 2026
Save HK$3,638 HKD (14%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$25,160 HKD at Yorxs · As of October 29, 2026
View at Yorxs

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557139119. Listed at 5 retailers as of October 29, 2026, with prices from HK$21,522 to HK$25,160, a HK$3,638 spread on the same certified stone. Yorxs lists it at HK$25,160. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle49.65°
Pavilion angle36.04°
OriginNatural
Grading LabGIA
CertificateGIA 2557139119
Dimensions7.01 × 5.36 × 3.63 mm
L/W Ratio1.31
Top View
7.01 mm5.36 mm1.21 ctF / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2557139119
Side View
Table 70.0%Crown 49.65°GirdlePavilion 36.04°Culet: NoneDepth 67.6%

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: Oct 29
Current: HK$22,346 HKD|Low: HK$18,988 HKD|High: HK$25,160 HKD|Avg: HK$21,904 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
October 29, 2026
Retailer 6HK$18,988 HKD
Retailer 2HK$19,270 HKD
Retailer 4HK$21,522 HKD
Retailer 5HK$21,522 HKD
Retailer 1HK$22,346 HKD
Retailer 3HK$24,833 HKD
YorxsHK$25,160 HKD

6 data points across 7 retailers

5 retailersHK$21,522 HKD to HK$25,160 HKD

Retailer 1
-
HK$19,270 HKD
$2,456 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
HK$21,522 HKD
$2,743 USD
View
B+
Retailer 3
-
HK$22,346 HKD
$2,848 USD
View
Retailer 4
-
HK$24,833 HKD
$3,165 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Yorxs
9E87A0E04 · Oct 29
HK$25,160 HKD
€3,054 EUR
View
4 more retailers have this diamond
Prices start from HK$21,522 HKDSave up to HK$3,638 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$21,522 HKD