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Round|Natural|GIA

1.25ct K I1 Round Natural Diamond

EX • K/I1 • GIA 1555077138

Certificate GIA 1555077138

Diamond specifications and retailer prices

From HK$12,395 HKD
As of November 4, 2026
Save HK$20,782 HKD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$33,177 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1555077138. Listed at 7 retailers as of November 4, 2026, with prices from HK$12,395 to HK$33,177, a HK$20,782 spread on the same certified stone. NZ Jewellers lists it at HK$33,177. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555077138
Dimensions6.81 × 6.87 × 4.28 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Cavity, Needle, Indented Natural
Top View
6.81 mm6.87 mm1.25 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555077138
Side View
Table 58.0%Crown 36°GirdlePavilion 40.8°Culet: NoneDepth 62.6%

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$33,177 HKD|Low: HK$12,395 HKD|High: HK$35,931 HKD|Avg: HK$18,334 HKD|-6.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 6HK$12,395 HKD
Retailer 3HK$13,604 HKD
Retailer 5HK$13,604 HKD
Retailer 4HK$14,231 HKD
Retailer 7HK$15,698 HKD
Retailer 8HK$17,856 HKD
Retailer 2HK$18,468 HKD
NZ JewellersHK$33,177 HKD

35 data points across 8 retailers

7 retailersHK$12,395 HKD to HK$33,177 HKD

A
Cheapest Retailer
-
HK$12,395 HKD
A
Retailer 2
-
HK$13,604 HKD
View
Retailer 3
-
HK$13,604 HKD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$14,231 HKD
View
B+
Retailer 5
-
HK$15,698 HKD
View
B+
Retailer 6
-
HK$18,468 HKD
View
Most Expensive
B
NZ Jewellers
9108a912-095e-4554-9121-00f206802627 · Nov 5
HK$33,177 HKD
$4,229 USD
View
6 more retailers have this diamond
Prices start from HK$12,395 HKDSave up to HK$20,782 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
1.25ct Round
HK$12,395 HKD