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Oval|Natural|GIA

1.50ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 5242028140

Certificate GIA 5242028140

Diamond specifications and retailer prices

From HK$17,173 HKD
As of November 1, 2026
Save HK$31,416 HKD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$48,588 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval 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 5242028140. Listed at 10 retailers as of October 30, 2026, with prices from HK$17,173 to HK$48,588, a HK$31,416 spread on the same certified stone. NZ Jewellers lists it at HK$48,588. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.3°
OriginNatural
Grading LabGIA
CertificateGIA 5242028140
Dimensions8.81 × 6.29 × 4.05 mm
L/W Ratio1.40
Key to symbols
Feather, Cloud, Crystal, Needle
Top View
8.81 mm6.29 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242028140
Side View
Table 63.0%CrownGirdle: STK-VTKPavilion 36.3°Culet: NoneDepth 64.3%

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$48,588 HKD|Low: HK$16,972 HKD|High: HK$48,588 HKD|Avg: HK$28,684 HKD|+9.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5HK$17,173 HKD
Retailer 4HK$21,387 HKD
Retailer 3HK$23,239 HKD
Retailer 8HK$24,413 HKD
Retailer 7HK$24,706 HKD
Retailer 10HK$25,641 HKD
Retailer 6HK$27,803 HKD
Retailer 9HK$36,906 HKD
Retailer 2HK$38,870 HKD
NZ JewellersHK$48,588 HKD

25 data points across 10 retailers

10 retailersHK$17,173 HKD to HK$48,588 HKD

A
Cheapest Retailer
-
HK$17,173 HKD
A
Retailer 2
-
HK$21,387 HKD
$2,726 USD
View
A
Retailer 3
-
HK$23,239 HKD
$2,962 USD
View
A
Retailer 4
-
HK$24,413 HKD
SGD 4,205 SGD
View
A
Retailer 5
-
HK$24,706 HKD
$3,149 USD
View
A
Retailer 6
-
HK$25,641 HKD
A$5,028 AUD
View
A
Retailer 7
-
HK$27,803 HKD
€3,375 EUR
View
Retailer 8
-
HK$36,906 HKD
€4,480 EUR
View
Price last confirmed 11 days ago
B+
Retailer 9
-
HK$38,870 HKD
£3,901 GBP
View
Most Expensive
B
NZ Jewellers
e69c17f0-9708-420a-b0ca-a29294a87730 · Oct 30
HK$48,588 HKD
$6,193 USD
View
9 more retailers have this diamond
Prices start from HK$17,173 HKDSave up to HK$31,416 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 Oval
HK$17,173 HKD