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Radiant|Natural|GIA

1.50ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 1235223535

Certificate GIA 1235223535

Diamond specifications and retailer prices

From HK$27,956 HKD
As of November 6, 2026
Save HK$37,384 HKD (57%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: HK$65,340 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1235223535. Listed at 29 retailers as of November 5, 2026, with prices from HK$27,956 to HK$65,340, a HK$37,384 spread on the same certified stone. NZ Jewellers lists it at HK$65,340. 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
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1235223535
Dimensions7.09 × 5.82 × 4.05 mm
L/W Ratio1.22
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
7.09 mm5.82 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1235223535
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.6%

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 6
Current: HK$46,233 HKD|Low: HK$27,133 HKD|High: HK$60,442 HKD|Avg: HK$38,617 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 5HK$29,194 HKD
Retailer 6HK$31,357 HKD
Retailer 8HK$33,975 HKD
Retailer 9HK$33,975 HKD
Retailer 14HK$34,532 HKD
Retailer 11HK$36,115 HKD
Retailer 17HK$36,671 HKD
Retailer 13HK$36,922 HKD
Retailer 7HK$37,800 HKD
Retailer 2HK$38,952 HKD
Retailer 3HK$38,952 HKD
Retailer 10HK$39,924 HKD
Retailer 4HK$40,284 HKD
Retailer 15HK$42,197 HKD
Retailer 16HK$45,755 HKD
Retailer 1HK$46,233 HKD
Retailer 12HK$59,407 HKD

43 data points across 17 retailers

29 retailersHK$27,956 HKD to HK$65,340 HKD

A
Cheapest Retailer
-
HK$27,956 HKD
A
Retailer 2
-
HK$29,194 HKD
View
B+
Retailer 3
-
HK$29,602 HKD
View
B+
Retailer 4
-
HK$29,900 HKD
View
B+
Retailer 5
-
HK$29,962 HKD
View
B+
Retailer 6
-
HK$31,028 HKD
View
B+
Retailer 7
-
HK$31,357 HKD
View
Final sale: no returns
B+
Retailer 8
-
HK$31,914 HKD
View
B+
Retailer 9
-
HK$32,251 HKD
View
Retailer 10
-
HK$33,975 HKD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
HK$33,975 HKD
View
B+
Retailer 12
-
HK$33,975 HKD
View
B+
Retailer 13
-
HK$34,532 HKD
View
Retailer 14
-
HK$36,115 HKD
View
B+
Retailer 15
-
HK$36,671 HKD
View
B+
Retailer 16
-
HK$36,922 HKD
View
Retailer 17
-
HK$37,800 HKD
View
Price last confirmed 29 days ago
B
Retailer 18
-
HK$38,952 HKD
View
B
Retailer 19
-
HK$38,952 HKD
View
B
Retailer 20
-
HK$38,960 HKD
View
B
Retailer 21
-
HK$39,203 HKD
View
Retailer 22
-
HK$39,924 HKD
View
B
Retailer 23
-
HK$40,284 HKD
View
Retailer 24
-
HK$41,413 HKD
View
Price last confirmed 15 days ago
B+
Retailer 25
-
HK$42,197 HKD
View
B
Retailer 26
-
HK$45,755 HKD
View
Retailer 27
-
HK$46,233 HKD
View
B
Retailer 28
-
HK$59,407 HKD
View
Most Expensive
B
NZ Jewellers
5656a498-0476-440e-ad80-96e46112e2e9 · Nov 5
HK$65,340 HKD
$8,337 USD
View
28 more retailers have this diamond
Prices start from HK$27,956 HKDSave up to HK$37,384 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$27,956 HKD