Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 7558451105

Certificate GIA 7558451105

Diamond specifications and retailer prices

From HK$26,882 HKD
As of November 7, 2026
Save HK$21,804 HKD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$48,686 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558451105. Listed at 11 retailers as of November 5, 2026, with prices from HK$26,882 to HK$48,686, a HK$21,804 spread on the same certified stone. NZ Jewellers lists it at HK$48,686. 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

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558451105
Dimensions7.75 × 5.36 × 3.81 mm
L/W Ratio1.45
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Pinpoint
Top View
7.75 mm5.36 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558451105
Side View
Table 64.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 71.0%

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 7
Current: HK$48,686 HKD|Low: HK$26,882 HKD|High: HK$48,686 HKD|Avg: HK$33,090 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3HK$26,882 HKD
Retailer 4HK$27,110 HKD
Retailer 8HK$27,940 HKD
Retailer 10HK$27,940 HKD
Retailer 2HK$28,912 HKD
Retailer 11HK$29,014 HKD
Retailer 9HK$32,243 HKD
Retailer 5HK$32,525 HKD
Retailer 6HK$34,108 HKD
Retailer 7HK$46,601 HKD
NZ JewellersHK$48,686 HKD

33 data points across 11 retailers

11 retailersHK$26,882 HKD to HK$48,686 HKD

A
Cheapest Retailer
-
HK$26,882 HKD
A
Retailer 2
-
HK$27,110 HKD
View
Retailer 3
-
HK$27,940 HKD
View
Price last confirmed 13 days ago
A
Retailer 4
-
HK$27,940 HKD
View
A
Retailer 5
-
HK$28,912 HKD
View
B+
Retailer 6
-
HK$29,014 HKD
View
B+
Retailer 7
-
HK$32,243 HKD
View
B+
Retailer 8
-
HK$32,525 HKD
View
B+
Retailer 9
-
HK$34,108 HKD
View
B
Retailer 10
-
HK$46,601 HKD
View
Most Expensive
B
NZ Jewellers
1930ef7e-aff1-4fa7-af8f-e59a4e7b45cd · Nov 5
HK$48,686 HKD
$6,212 USD
View
10 more retailers have this diamond
Prices start from HK$26,882 HKDSave up to HK$21,804 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 Radiant
HK$26,882 HKD