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Round|Natural|GIA

1.21ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6552463506

Certificate GIA 6552463506

Diamond specifications and retailer prices

From HK$10,917 HKD
As of November 5, 2026
Save HK$9,845 HKD (47%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$20,763 HKD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552463506. Listed at 13 retailers as of November 5, 2026, with prices from HK$10,917 to HK$20,763, a HK$9,845 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$20,763. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6552463506
Dimensions6.83 × 6.85 × 4.21 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.83 mm6.85 mm1.21 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552463506
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.5%

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 5
Current: HK$15,902 HKD|Low: HK$10,863 HKD|High: HK$21,367 HKD|Avg: HK$15,169 HKD|-5.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 5HK$10,917 HKD
Retailer 8HK$12,681 HKD
Retailer 9HK$12,681 HKD
Retailer 3HK$12,940 HKD
Retailer 2HK$13,802 HKD
Retailer 4HK$13,974 HKD
Retailer 10HK$15,252 HKD
Retailer 1HK$15,902 HKD
Retailer 7HK$16,317 HKD
Retailer 11HK$16,749 HKD
Retailer 6HK$17,720 HKD
Wholesale Diamonds DirectHK$20,763 HKD

34 data points across 12 retailers

13 retailersHK$10,917 HKD to HK$20,763 HKD

A
Cheapest Retailer
-
HK$10,917 HKD
A
Retailer 2
-
HK$12,681 HKD
View
A
Retailer 3
-
HK$12,681 HKD
View
A
Retailer 4
-
HK$12,940 HKD
View
A
Retailer 5
-
HK$13,802 HKD
View
A
Retailer 6
-
HK$13,974 HKD
View
A
Retailer 7
-
HK$15,252 HKD
View
B+
Retailer 8
-
HK$15,769 HKD
View
A
Retailer 9
-
HK$15,902 HKD
View
A
Retailer 10
-
HK$16,317 HKD
View
B+
Retailer 11
-
HK$16,749 HKD
View
B+
Retailer 12
-
HK$17,720 HKD
View
Most Expensive
B+
Wholesale Diamonds Direct
570927855 · Nov 6
HK$20,763 HKD
$2,649 USD
View
12 more retailers have this diamond
Prices start from HK$10,917 HKDSave up to HK$9,845 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$10,917 HKD