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Round|Natural|GIA

1.21ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 7403585801

Certificate GIA 7403585801

Diamond specifications and retailer prices

From HK$15,949 HKD
As of November 6, 2026
Save HK$28,928 HKD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$44,877 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7403585801. Listed at 15 retailers as of November 5, 2026, with prices from HK$15,949 to HK$44,877, a HK$28,928 spread on the same certified stone. NZ Jewellers lists it at HK$44,877. 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
OriginNatural
Grading LabGIA
CertificateGIA 7403585801
Dimensions6.83 × 6.80 × 4.25 mm
L/W Ratio1.00
Top View
6.83 mm6.80 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7403585801
Side View
Table 55.0%CrownGirdle: MED-SLIPavilionCulet: NoneDepth 62.4%

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$44,877 HKD|Low: HK$15,847 HKD|High: HK$44,877 HKD|Avg: HK$24,293 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
November 6, 2026
Retailer 12HK$15,949 HKD
Retailer 4HK$19,225 HKD
Retailer 5HK$19,915 HKD
Retailer 2HK$20,260 HKD
Retailer 13HK$21,467 HKD
Retailer 15HK$21,467 HKD
Retailer 7HK$21,945 HKD
Retailer 8HK$22,227 HKD
Retailer 14HK$22,290 HKD
Retailer 6HK$22,572 HKD
Retailer 9HK$22,587 HKD
Retailer 3HK$24,766 HKD
Retailer 10HK$24,931 HKD
Retailer 11HK$37,510 HKD
NZ JewellersHK$44,877 HKD

33 data points across 15 retailers

15 retailersHK$15,949 HKD to HK$44,877 HKD

A
Cheapest Retailer
-
HK$15,949 HKD
A
Retailer 2
-
HK$19,225 HKD
View
A
Retailer 3
-
HK$19,915 HKD
View
A
Retailer 4
-
HK$20,260 HKD
View
A
Retailer 5
-
HK$21,467 HKD
View
Retailer 6
-
HK$21,467 HKD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
HK$21,945 HKD
View
B+
Retailer 8
-
HK$22,227 HKD
View
B+
Retailer 9
-
HK$22,290 HKD
View
B+
Retailer 10
-
HK$22,572 HKD
View
A
Retailer 11
-
HK$22,587 HKD
View
B+
Retailer 12
-
HK$24,766 HKD
View
B+
Retailer 13
-
HK$24,931 HKD
View
B
Retailer 14
-
HK$37,510 HKD
View
Most Expensive
B
NZ Jewellers
a3efb251-99a5-4d4b-83a7-085bc56d7cb5 · Nov 5
HK$44,877 HKD
$5,726 USD
View
14 more retailers have this diamond
Prices start from HK$15,949 HKDSave up to HK$28,928 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$15,949 HKD