Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1518584498

Certificate GIA 1518584498

Diamond specifications and retailer prices

From HK$29,649 HKD
$3,779 USD
As of November 1, 2026
Save HK$37,597 HKD (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$67,245 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round 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 and certified by GIA 1518584498. Listed at 21 retailers as of October 30, 2026, with prices from HK$29,649 to HK$67,245, a HK$37,597 spread on the same certified stone. NZ Jewellers lists it at HK$67,245. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1518584498
Dimensions7.32 × 7.35 × 4.55 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Cavity, Crystal, Twinning Wisp, Feather, Etch Channel
Top View
7.32 mm7.35 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1518584498
Side View
Table 59.0%Crown 34°Girdle: STK-MEDPavilion 41.8°Culet: NoneDepth 62.0%

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 1
Current: HK$67,245 HKD|Low: HK$28,535 HKD|High: HK$67,245 HKD|Avg: HK$40,682 HKD
NZ Jewellers
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
Retailer 18
Retailer 19
November 1, 2026
Retailer 3HK$29,649 HKD
Retailer 16HK$29,845 HKD
Retailer 10HK$30,481 HKD
Retailer 5HK$32,277 HKD
Retailer 18HK$33,109 HKD
Retailer 4HK$34,968 HKD
Retailer 17HK$34,968 HKD
Retailer 19HK$34,968 HKD
Retailer 14HK$38,135 HKD
Retailer 2HK$39,307 HKD
Retailer 11HK$39,734 HKD
Retailer 7HK$39,936 HKD
Retailer 8HK$40,343 HKD
Retailer 13HK$41,050 HKD
Retailer 9HK$42,618 HKD
Retailer 6HK$42,746 HKD
Retailer 15HK$47,443 HKD
Retailer 12HK$61,478 HKD
NZ JewellersHK$67,245 HKD

34 data points across 19 retailers

21 retailersHK$29,649 HKD to HK$67,245 HKD

A
Cheapest Retailer
-
HK$29,649 HKD
$3,779 USD
A
Retailer 2
-
HK$29,845 HKD
$3,804 USD
View
A
Retailer 3
-
HK$30,481 HKD
$3,885 USD
View
B+
Retailer 4
-
HK$32,277 HKD
$4,114 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$33,109 HKD
$4,220 USD
View
B+
Retailer 6
-
HK$34,968 HKD
$4,457 USD
View
B+
Retailer 7
-
HK$34,968 HKD
$4,457 USD
View
B+
Retailer 8
-
HK$34,968 HKD
$4,457 USD
View
B+
Retailer 9
-
HK$38,135 HKD
£3,827 GBP
View
B+
Retailer 10
-
HK$39,307 HKD
$5,010 USD
View
Retailer 11
-
HK$39,734 HKD
A$7,792 AUD
View
Price last confirmed 23 days ago
B
Retailer 12
-
HK$39,936 HKD
$5,090 USD
View
B
Retailer 13
-
HK$40,092 HKD
$5,110 USD
View
B
Retailer 14
-
HK$40,343 HKD
$5,142 USD
View
B+
Retailer 15
-
HK$41,050 HKD
€4,983 EUR
View
B
Retailer 16
-
HK$41,425 HKD
$5,280 USD
View
Retailer 17
-
HK$42,618 HKD
$5,432 USD
View
Price last confirmed 9 days ago
B
Retailer 18
-
HK$42,746 HKD
£4,290 GBP
View
B
Retailer 19
-
HK$47,443 HKD
ZAR 97,691 ZAR
View
B
Retailer 20
-
HK$61,478 HKD
£6,170 GBP
View
Most Expensive
B
NZ Jewellers
7d3e9e2f-ec09-4aa1-a4fa-42166dbd9827 · Oct 30
HK$67,245 HKD
$8,571 USD
View
20 more retailers have this diamond
Prices start from HK$29,649 HKDSave up to HK$37,597 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 Round
HK$29,649 HKD