Round|Natural|GIA

1.50ct K I1 Round Natural Diamond

EX • K/I1 • GIA 2558416995

Certificate GIA 2558416995

Diamond specifications and retailer prices

From HK$17,973 HKD
As of November 6, 2026
Save HK$18,436 HKD (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$48,389 HKD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2558416995. Listed at 14 retailers as of November 4, 2026, with a 103% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2558416995
Dimensions7.28 × 7.32 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.28 mm7.32 mm1.50 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558416995
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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 6
Current: HK$43,729 HKD|Low: HK$17,369 HKD|High: HK$43,729 HKD|Avg: HK$26,638 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
November 5, 2026
Retailer 8HK$17,973 HKD
Retailer 5HK$18,962 HKD
Retailer 6HK$19,574 HKD
Retailer 12HK$19,982 HKD
Retailer 10HK$20,829 HKD
Retailer 4HK$21,888 HKD
Retailer 9HK$22,147 HKD
Retailer 3HK$25,254 HKD
Retailer 2HK$27,191 HKD
Retailer 11HK$31,883 HKD
Retailer 7HK$36,410 HKD
NZ JewellersHK$43,729 HKD

27 data points across 12 retailers

14 retailersHK$17,973 HKD to HK$36,410 HKD

A
Cheapest Retailer
-
HK$17,973 HKD
A
Retailer 2
-
HK$18,962 HKD
View
A
Retailer 3
-
HK$19,574 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$20,829 HKD
View
Retailer 5
-
HK$21,888 HKD
View
Price last confirmed 21 days ago
Retailer 6
-
HK$21,888 HKD
View
Price last confirmed 29 days ago
A
Retailer 7
-
HK$22,147 HKD
View
Retailer 8
-
HK$22,728 HKD
View
Price last confirmed 22 days ago
Retailer 9
-
HK$25,254 HKD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
HK$27,191 HKD
View
B
Retailer 11
-
HK$36,410 HKD
View
Retailer 12
-
HK$43,729 HKD
View
Price last confirmed 42 days ago
Retailer 13
-
HK$45,761 HKD
View
Price last confirmed 39 days ago
Most Expensive
NZ Jewellers
c7a6efa9-6a5a-437c-9a7d-adf5314be66a · Oct 17
HK$48,389 HKD
$6,168 USD
View
Price last confirmed 19 days ago
13 more retailers have this diamond
Prices start from HK$17,973 HKDSave up to HK$18,436 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
1.50ct Round
HK$17,973 HKD