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Round|Natural|GIA

1.21ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2126497381

Certificate GIA 2126497381

Diamond specifications and retailer prices

From HK$23,434 HKD
As of November 3, 2026
Save HK$60,818 HKD (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$84,252 HKD at Jared · As of November 6, 2026
View at Jared

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2126497381. Listed at 14 retailers as of November 3, 2026, with prices from HK$23,434 to HK$84,252, a HK$60,818 spread on the same certified stone. Jared lists it at HK$84,252. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2126497381
Dimensions6.86 × 6.82 × 4.22 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.86 mm6.82 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2126497381
Side View
Table 59.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: HK$84,252 HKD|Low: HK$23,434 HKD|High: HK$84,252 HKD|Avg: HK$63,838 HKD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 8HK$23,434 HKD
Retailer 9HK$34,328 HKD
Retailer 11HK$60,724 HKD
Retailer 7HK$61,171 HKD
Retailer 3HK$62,746 HKD
Retailer 10HK$66,665 HKD
Retailer 13HK$66,916 HKD
Retailer 2HK$71,328 HKD
Retailer 4HK$81,509 HKD
Retailer 5HK$81,509 HKD
Retailer 12HK$82,308 HKD
Retailer 6HK$82,371 HKD
JaredHK$84,252 HKD

33 data points across 13 retailers

14 retailersHK$23,434 HKD to HK$84,252 HKD

A
Cheapest Retailer
-
HK$23,434 HKD
B+
Retailer 2
-
HK$34,328 HKD
View
B
Retailer 3
-
HK$60,724 HKD
View
B
Retailer 4
-
HK$61,171 HKD
View
B
Retailer 5
-
HK$62,746 HKD
View
B
Retailer 6
-
HK$66,665 HKD
View
B
Retailer 7
-
HK$66,916 HKD
View
Retailer 8
-
HK$71,328 HKD
View
B
Retailer 9
-
HK$81,509 HKD
View
B
Retailer 10
-
HK$81,509 HKD
View
B
Retailer 11
-
HK$82,308 HKD
View
B
Retailer 12
-
HK$82,371 HKD
View
Most Expensive
B
Jared
128855742 · Nov 6
HK$84,252 HKD
$10,750 USD
View
12 more retailers have this diamond
Prices start from HK$23,434 HKDSave up to HK$60,818 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.

A
1.21ct Round
HK$23,434 HKD