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Round|Natural|GIA

1.21ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2416493551

Certificate GIA 2416493551

Diamond specifications and retailer prices

From HK$22,611 HKD
As of November 4, 2026
Save HK$27,290 HKD (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$49,901 HKD at NZ Jewellers · As of November 7, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2416493551. Listed at 19 retailers as of November 4, 2026, with prices from HK$22,611 to HK$49,901, a HK$27,290 spread on the same certified stone. NZ Jewellers lists it at HK$49,901. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2416493551
Dimensions6.80 × 6.76 × 4.24 mm
L/W Ratio1.01
Top View
6.80 mm6.76 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2416493551
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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 4
Current: HK$49,901 HKD|Low: HK$21,702 HKD|High: HK$50,841 HKD|Avg: HK$30,307 HKD|-1.0%
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
Retailer 18
November 7, 2026
Retailer 16HK$22,611 HKD
Retailer 3HK$22,791 HKD
Retailer 6HK$23,254 HKD
Retailer 13HK$23,943 HKD
Retailer 17HK$24,609 HKD
Retailer 9HK$26,200 HKD
Retailer 10HK$26,200 HKD
Retailer 4HK$26,294 HKD
Retailer 14HK$26,945 HKD
Retailer 7HK$29,312 HKD
Retailer 18HK$29,312 HKD
Retailer 12HK$29,743 HKD
Retailer 15HK$29,939 HKD
Retailer 8HK$30,331 HKD
Retailer 2HK$31,679 HKD
Retailer 5HK$32,752 HKD
Retailer 11HK$47,644 HKD
NZ JewellersHK$49,901 HKD

40 data points across 18 retailers

19 retailersHK$22,611 HKD to HK$49,901 HKD

A
Cheapest Retailer
-
HK$22,611 HKD
A
Retailer 2
-
HK$22,791 HKD
View
B+
Retailer 3
-
HK$23,254 HKD
View
B+
Retailer 4
-
HK$23,943 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$24,100 HKD
View
Retailer 6
-
HK$24,609 HKD
View
Price last confirmed 18 days ago
Retailer 7
-
HK$26,200 HKD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
HK$26,200 HKD
View
B+
Retailer 9
-
HK$26,294 HKD
View
B+
Retailer 10
-
HK$26,945 HKD
View
B
Retailer 11
-
HK$29,312 HKD
View
B
Retailer 12
-
HK$29,312 HKD
View
B
Retailer 13
-
HK$29,476 HKD
View
B+
Retailer 14
-
HK$29,743 HKD
View
B
Retailer 15
-
HK$29,939 HKD
View
B
Retailer 16
-
HK$30,331 HKD
View
B+
Retailer 17
-
HK$31,679 HKD
View
B
Retailer 18
-
HK$47,644 HKD
View
Most Expensive
B
NZ Jewellers
016afa2a-a770-4c4a-8e1c-d63ca2ad3294 · Nov 7
HK$49,901 HKD
$6,367 USD
View
18 more retailers have this diamond
Prices start from HK$22,611 HKDSave up to HK$27,290 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$22,611 HKD