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1.54ct J SI2 Round Natural Diamond

EX • J/SI2 • IGI 798620813

Shape and cutting style on the report: Round brilliant

Certificate IGI 798620813

Diamond specifications and retailer prices

From HK$13,251 HKD
As of November 6, 2026
Save HK$15,918 HKD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$34,911 HKD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.54ct natural round diamond

This 1.54ct natural round 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 and certified by IGI 798620813. Listed at 11 retailers as of November 4, 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

1.54
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 798620813
Dimensions7.46 × 7.49 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
7.46 mm7.49 mm1.54 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 798620813
Side View
Table 59.0%Crown 32.8°Girdle: MED-STKPavilion 40.3°CuletDepth 59.8%

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 6
Current: HK$13,251 HKD|Low: HK$13,251 HKD|High: HK$29,608 HKD|Avg: HK$19,329 HKD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1HK$13,251 HKD
Retailer 5HK$15,078 HKD
Retailer 4HK$16,075 HKD
Retailer 7HK$16,695 HKD
Retailer 6HK$17,785 HKD
Retailer 2HK$21,488 HKD
Retailer 8HK$21,857 HKD
Retailer 3HK$29,168 HKD

45 data points across 8 retailers

11 retailersHK$13,251 HKD to HK$29,168 HKD

A
Cheapest Retailer
-
HK$13,251 HKD
A
Retailer 2
-
HK$15,078 HKD
View
B+
Retailer 3
-
HK$16,075 HKD
View
Retailer 4
-
HK$16,695 HKD
View
Price last confirmed 39 days ago
Retailer 5
-
HK$16,695 HKD
View
Price last confirmed 29 days ago
Retailer 6
-
HK$17,471 HKD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
HK$17,785 HKD
View
Retailer 8
-
HK$19,268 HKD
View
Price last confirmed 38 days ago
A
Retailer 9
-
HK$21,488 HKD
View
B+
Retailer 10
-
HK$29,168 HKD
View
Most Expensive
NZ Jewellers
14625845-3d4b-49b2-bfb0-6f3a150ed403 · Sep 28
HK$34,911 HKD
$4,450 USD
View
Price last confirmed 39 days ago
10 more retailers have this diamond
Prices start from HK$13,251 HKDSave up to HK$15,918 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
1.54ct Round
HK$13,251 HKD