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Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 019A

Certificate GIA 019A

Diamond specifications and retailer prices

From HK$21,451 HKD
As of November 4, 2026
Save HK$27,235 HKD (56%) vs most expensive(unlock to see where)
12 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. Listed at 12 retailers as of November 4, 2026, with prices from HK$21,451 to HK$48,686, a HK$27,235 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
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 019A
Dimensions6.94 × 5.77 × 3.96 mm
L/W Ratio1.20
Top View
6.94 mm5.77 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 019A
Side View
Table 72.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.7%

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$48,686 HKD|Low: HK$21,451 HKD|High: HK$48,686 HKD|Avg: HK$29,216 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 5HK$21,451 HKD
Retailer 6HK$25,315 HKD
Retailer 7HK$25,315 HKD
Retailer 2HK$26,036 HKD
Retailer 3HK$26,843 HKD
Retailer 8HK$27,204 HKD
Retailer 4HK$28,928 HKD
NZ JewellersHK$48,686 HKD

42 data points across 8 retailers

12 retailersHK$21,451 HKD to HK$48,686 HKD

A
Cheapest Retailer
-
HK$21,451 HKD
Retailer 2
-
HK$25,315 HKD
View
Price last confirmed 30 days ago
Retailer 3
-
HK$25,315 HKD
View
Price last confirmed 9 days ago
A
Retailer 4
-
HK$25,315 HKD
View
Retailer 5
-
HK$25,315 HKD
View
Price last confirmed 31 days ago
A
Retailer 6
-
HK$26,036 HKD
View
A
Retailer 7
-
HK$26,843 HKD
View
B+
Retailer 8
-
HK$27,204 HKD
View
B+
Retailer 9
-
HK$28,928 HKD
View
Retailer 10
-
HK$29,210 HKD
View
Price last confirmed 31 days ago
Retailer 11
-
HK$48,686 HKD
View
Price last confirmed 32 days ago
Most Expensive
B
NZ Jewellers
d7049a66-61ec-4a72-b404-f00c6ba5444b · Nov 5
HK$48,686 HKD
$6,212 USD
View
11 more retailers have this diamond
Prices start from HK$21,451 HKDSave up to HK$27,235 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$21,451 HKD