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Radiant|Natural|GIA

1.50ct J SI2 Radiant Natural Diamond

ID • J/SI2 • GIA 1545128714

Certificate GIA 1545128714

Diamond specifications and retailer prices

From HK$17,876 HKD
As of November 1, 2026
Save HK$21,452 HKD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$49,161 HKD at NZ Jewellers · As of October 17, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545128714. Listed at 17 retailers as of November 1, 2026, with a 120% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1545128714
Dimensions7.43 × 5.70 × 3.98 mm
L/W Ratio1.30
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
7.43 mm5.70 mm1.50 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1545128714
Side View
Table 66.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.8%

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 1
Current: HK$25,144 HKD|Low: HK$17,775 HKD|High: HK$40,753 HKD|Avg: HK$24,841 HKD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6HK$17,876 HKD
Retailer 4HK$19,244 HKD
Retailer 3HK$21,423 HKD
Retailer 8HK$21,701 HKD
Retailer 11HK$24,635 HKD
Retailer 2HK$24,884 HKD
Retailer 1HK$25,144 HKD
Retailer 10HK$25,499 HKD
Retailer 9HK$27,138 HKD
Retailer 7HK$27,531 HKD
Retailer 5HK$39,328 HKD

34 data points across 11 retailers

17 retailersHK$17,876 HKD to HK$39,328 HKD

A
Cheapest Retailer
-
HK$17,876 HKD
A
Retailer 2
-
HK$19,244 HKD
₹233,605 INR
View
A
Retailer 3
-
HK$21,423 HKD
SGD 3,690 SGD
View
A
Retailer 4
-
HK$21,701 HKD
$2,766 USD
View
Final sale: no returns
A
Retailer 5
-
HK$22,666 HKD
$2,889 USD
View
Retailer 6
-
HK$23,514 HKD
$2,997 USD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$24,078 HKD
$3,069 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
HK$24,162 HKD
A$4,738 AUD
View
A
Retailer 9
-
HK$24,635 HKD
$3,140 USD
View
A
Retailer 10
-
HK$24,884 HKD
SGD 4,286 SGD
View
Retailer 11
-
HK$25,004 HKD
$3,187 USD
View
Price last confirmed 16 days ago
A
Retailer 12
-
HK$25,144 HKD
£2,524 GBP
View
A
Retailer 13
-
HK$25,499 HKD
$3,250 USD
View
Retailer 14
-
HK$27,138 HKD
$3,459 USD
View
Price last confirmed 14 days ago
A
Retailer 15
-
HK$27,531 HKD
€3,342 EUR
View
B
Retailer 16
-
HK$39,328 HKD
£3,947 GBP
View
Most Expensive
NZ Jewellers
4034e5c5-8dda-4627-8644-3682de31d601 · Oct 17
HK$49,161 HKD
$6,266 USD
View
Price last confirmed 15 days ago
16 more retailers have this diamond
Prices start from HK$17,876 HKDSave up to HK$21,452 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$17,876 HKD