Round|Natural|GIA

1.20ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2557556499

Certificate GIA 2557556499

Diamond specifications and retailer prices

From HK$12,798 HKD
As of November 5, 2026
Save HK$3,041 HKD (19%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$21,252 HKD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural round diamond

This 1.2ct 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 2557556499. Listed at 12 retailers as of November 5, 2026, with a relatively tight 24% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.20
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2557556499
Dimensions6.77 × 6.81 × 4.19 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.77 mm6.81 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557556499
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NDepth 61.7%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: HK$12,798 HKD|Low: HK$12,736 HKD|High: HK$22,308 HKD|Avg: HK$16,018 HKD|-3.5%
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 5, 2026
Retailer 1HK$12,798 HKD
Retailer 7HK$13,002 HKD
Retailer 9HK$13,002 HKD
Retailer 3HK$13,935 HKD
Retailer 2HK$14,162 HKD
Retailer 5HK$14,374 HKD
Retailer 10HK$15,612 HKD
Retailer 4HK$16,302 HKD
Retailer 8HK$16,819 HKD
Retailer 11HK$17,078 HKD
Retailer 6HK$18,238 HKD
Wholesale Diamonds DirectHK$21,252 HKD

34 data points across 12 retailers

12 retailersHK$12,798 HKD to HK$15,839 HKD

A
Cheapest Retailer
-
HK$12,798 HKD
Retailer 2
-
HK$13,002 HKD
View
Price last confirmed 9 days ago
Retailer 3
-
HK$13,002 HKD
View
Price last confirmed 9 days ago
Retailer 4
-
HK$13,935 HKD
View
Price last confirmed 9 days ago
Retailer 5
-
HK$14,162 HKD
View
Price last confirmed 9 days ago
Retailer 6
-
HK$14,374 HKD
View
Price last confirmed 9 days ago
Retailer 7
-
HK$15,612 HKD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
HK$15,839 HKD
View
Retailer 9
-
HK$16,302 HKD
View
Price last confirmed 9 days ago
Retailer 10
-
HK$16,819 HKD
View
Price last confirmed 9 days ago
Retailer 11
-
HK$18,238 HKD
View
Price last confirmed 9 days ago
Most Expensive
Wholesale Diamonds Direct
611240265 · Oct 26
HK$21,252 HKD
$2,712 USD
View
Price last confirmed 11 days ago
11 more retailers have this diamond
Prices start from HK$12,798 HKDSave up to HK$3,041 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
1.20ct Round
HK$12,798 HKD