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1.54ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 642405010

Shape and cutting style on the report: Round brilliant

Certificate IGI 642405010

Diamond specifications and retailer prices

From HK$38,177 HKD
$4,866 USD
As of October 30, 2026
Save HK$35,039 HKD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$73,216 HKD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 642405010. Listed at 15 retailers as of October 30, 2026, with prices from HK$38,177 to HK$73,216, a HK$35,039 spread on the same certified stone. NZ Jewellers lists it at HK$73,216. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 642405010
Dimensions7.36 × 7.29 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.36 mm7.29 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 642405010
Side View
Table 57.0%Crown 34.6°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.3%

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: Oct 30
Current: HK$46,594 HKD|Low: HK$33,674 HKD|High: HK$68,871 HKD|Avg: HK$47,013 HKD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7HK$38,177 HKD
Retailer 6HK$38,483 HKD
Retailer 8HK$40,405 HKD
Retailer 4HK$43,268 HKD
Retailer 9HK$43,779 HKD
Retailer 2HK$43,944 HKD
Retailer 1HK$46,594 HKD
Retailer 5HK$53,809 HKD
Retailer 3HK$68,044 HKD

41 data points across 9 retailers

15 retailersHK$38,177 HKD to HK$73,216 HKD

A
Cheapest Retailer
-
HK$38,177 HKD
$4,866 USD
A
Retailer 2
-
HK$38,483 HKD
$4,905 USD
View
B+
Retailer 3
-
HK$40,405 HKD
$5,150 USD
View
Final sale: no returns
A
Retailer 4
-
HK$40,955 HKD
$5,220 USD
View
A
Retailer 5
-
HK$43,268 HKD
£4,342 GBP
View
B+
Retailer 6
-
HK$43,779 HKD
$5,580 USD
View
B+
Retailer 7
-
HK$43,779 HKD
$5,580 USD
View
B+
Retailer 8
-
HK$43,779 HKD
$5,580 USD
View
A
Retailer 9
-
HK$43,944 HKD
£4,410 GBP
View
B+
Retailer 10
-
HK$44,986 HKD
$5,734 USD
View
B+
Retailer 11
-
HK$46,594 HKD
€5,656 EUR
View
B+
Retailer 12
-
HK$50,511 HKD
$6,438 USD
View
B+
Retailer 13
-
HK$53,809 HKD
ZAR 110,799 ZAR
View
B
Retailer 14
-
HK$68,044 HKD
£6,829 GBP
View
Most Expensive
B
NZ Jewellers
4fa767b2-f529-4498-92f7-20d2810a8a0d · Oct 30
HK$73,216 HKD
$9,332 USD
View
14 more retailers have this diamond
Prices start from HK$38,177 HKDSave up to HK$35,039 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$38,177 HKD