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Round|Natural|IGI

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • IGI 742527340

Shape and cutting style on the report: Round brilliant

Certificate IGI 742527340

Diamond specifications and retailer prices

From HK$18,684 HKD
As of November 6, 2026
Save HK$21,224 HKD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$41,687 HKD at NZ Jewellers · As of September 28, 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 IGI 742527340. Listed at 17 retailers as of November 4, 2026, with a 114% 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 742527340
Dimensions7.27 × 7.22 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.27 mm7.22 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 742527340
Side View
Table 56.0%Crown 36.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$18,684 HKD|Low: HK$18,684 HKD|High: HK$40,496 HKD|Avg: HK$27,081 HKD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1HK$18,684 HKD
Retailer 9HK$21,435 HKD
Retailer 8HK$22,062 HKD
Retailer 3HK$25,033 HKD
Retailer 4HK$27,470 HKD
Retailer 7HK$27,885 HKD
Retailer 2HK$28,418 HKD
Retailer 5HK$29,202 HKD
Retailer 6HK$39,908 HKD

28 data points across 9 retailers

17 retailersHK$18,684 HKD to HK$39,908 HKD

A
Cheapest Retailer
-
HK$18,684 HKD
A
Retailer 2
-
HK$21,427 HKD
View
A
Retailer 3
-
HK$21,435 HKD
View
Retailer 4
-
HK$21,576 HKD
View
Price last confirmed 95 days ago
A
Retailer 5
-
HK$22,062 HKD
View
Retailer 6
-
HK$23,928 HKD
View
Price last confirmed 25 days ago
Retailer 7
-
HK$23,928 HKD
View
Price last confirmed 29 days ago
Retailer 8
-
HK$24,845 HKD
View
Price last confirmed 38 days ago
A
Retailer 9
-
HK$25,033 HKD
View
B+
Retailer 10
-
HK$25,040 HKD
View
A
Retailer 11
-
HK$27,470 HKD
View
Retailer 12
-
HK$27,611 HKD
View
Price last confirmed 28 days ago
A
Retailer 13
-
HK$27,885 HKD
View
A
Retailer 14
-
HK$28,418 HKD
View
B+
Retailer 15
-
HK$29,202 HKD
View
B
Retailer 16
-
HK$39,908 HKD
View
Most Expensive
NZ Jewellers
94aeded2-6ad3-4a7a-a6fe-65dddb15ba8d · Sep 28
HK$41,687 HKD
$5,319 USD
View
Price last confirmed 39 days ago
16 more retailers have this diamond
Prices start from HK$18,684 HKDSave up to HK$21,224 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$18,684 HKD