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Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 2554814067

Certificate GIA 2554814067

Diamond specifications and retailer prices

From HK$31,310 HKD
As of November 7, 2026
Save HK$25,824 HKD (45%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$57,135 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 2554814067. Listed at 11 retailers as of November 5, 2026, with prices from HK$31,310 to HK$57,135, a HK$25,824 spread on the same certified stone. NZ Jewellers lists it at HK$57,135. 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 2554814067
Dimensions8.21 × 5.67 × 3.80 mm
L/W Ratio1.45
Culet sizeNone
Top View
8.21 mm5.67 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554814067
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.0%

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 7
Current: HK$57,135 HKD|Low: HK$31,310 HKD|High: HK$60,756 HKD|Avg: HK$39,280 HKD|-6.0%
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$31,310 HKD
Retailer 4HK$31,812 HKD
Retailer 8HK$32,792 HKD
Retailer 10HK$32,792 HKD
Retailer 11HK$32,792 HKD
Retailer 2HK$33,215 HKD
Retailer 5HK$36,898 HKD
Retailer 9HK$37,839 HKD
Retailer 6HK$40,026 HKD
Retailer 7HK$54,689 HKD
NZ JewellersHK$57,135 HKD

29 data points across 11 retailers

11 retailersHK$31,310 HKD to HK$57,135 HKD

A
Cheapest Retailer
-
HK$31,310 HKD
B+
Retailer 2
-
HK$31,812 HKD
View
B+
Retailer 3
-
HK$32,792 HKD
View
Retailer 4
-
HK$32,792 HKD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
HK$32,792 HKD
View
B+
Retailer 6
-
HK$33,215 HKD
View
B+
Retailer 7
-
HK$36,898 HKD
View
B+
Retailer 8
-
HK$37,839 HKD
View
B+
Retailer 9
-
HK$40,026 HKD
View
B
Retailer 10
-
HK$54,689 HKD
View
Most Expensive
B
NZ Jewellers
ed42692b-97ac-4d77-86b6-d376420476bd · Nov 5
HK$57,135 HKD
$7,290 USD
View
10 more retailers have this diamond
Prices start from HK$31,310 HKDSave up to HK$25,824 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$31,310 HKD