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Round|Natural|GIA

1.21ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 3565212418

Certificate GIA 3565212418

Diamond specifications and retailer prices

From HK$18,959 HKD
As of November 6, 2026
Save HK$26,984 HKD (59%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$45,943 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 3565212418. Listed at 17 retailers as of November 5, 2026, with prices from HK$18,959 to HK$45,943, a HK$26,984 spread on the same certified stone. NZ Jewellers lists it at HK$45,943. 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
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3565212418
Dimensions6.74 × 6.80 × 4.29 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle, Knot
Top View
6.74 mm6.80 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565212418
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.3%

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 6
Current: HK$45,943 HKD|Low: HK$18,959 HKD|High: HK$46,123 HKD|Avg: HK$28,130 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
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 12HK$18,959 HKD
Retailer 17HK$20,189 HKD
Retailer 10HK$22,595 HKD
Retailer 13HK$23,011 HKD
Retailer 7HK$24,915 HKD
Retailer 15HK$26,169 HKD
Retailer 6HK$26,365 HKD
Retailer 9HK$26,365 HKD
Retailer 2HK$26,428 HKD
Retailer 5HK$26,530 HKD
Retailer 11HK$26,569 HKD
Retailer 14HK$26,577 HKD
Retailer 16HK$27,878 HKD
Retailer 8HK$28,199 HKD
Retailer 3HK$29,367 HKD
Retailer 4HK$43,983 HKD
NZ JewellersHK$45,943 HKD

24 data points across 17 retailers

17 retailersHK$18,959 HKD to HK$45,943 HKD

A
Cheapest Retailer
-
HK$18,959 HKD
A
Retailer 2
-
HK$20,189 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$22,595 HKD
View
A
Retailer 4
-
HK$23,011 HKD
View
A
Retailer 5
-
HK$24,915 HKD
View
A
Retailer 6
-
HK$26,169 HKD
View
Retailer 7
-
HK$26,365 HKD
View
Price last confirmed 12 days ago
B+
Retailer 8
-
HK$26,365 HKD
View
B+
Retailer 9
-
HK$26,428 HKD
View
B+
Retailer 10
-
HK$26,530 HKD
View
B+
Retailer 11
-
HK$26,569 HKD
View
B+
Retailer 12
-
HK$26,577 HKD
View
B+
Retailer 13
-
HK$27,878 HKD
View
B+
Retailer 14
-
HK$28,199 HKD
View
B+
Retailer 15
-
HK$29,367 HKD
View
B
Retailer 16
-
HK$43,983 HKD
View
Most Expensive
B
NZ Jewellers
3b8c8f14-8728-4fce-99c8-31d452c594d4 · Nov 5
HK$45,943 HKD
$5,862 USD
View
16 more retailers have this diamond
Prices start from HK$18,959 HKDSave up to HK$26,984 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$18,959 HKD