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Round|Natural|IGI

1.54ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 635477973

Shape and cutting style on the report: Round brilliant

Certificate IGI 635477973

Diamond specifications and retailer prices

From HK$39,025 HKD
$4,974 USD
As of October 30, 2026
Save HK$30,903 HKD (44%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$74,832 HKD at NZ Jewellers · As of September 25, 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 635477973. Listed at 17 retailers as of October 29, 2026, with a 79% 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 635477973
Dimensions7.44 × 7.36 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.44 mm7.36 mm1.54 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 635477973
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.7%

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$50,647 HKD|Low: HK$39,025 HKD|High: HK$70,386 HKD|Avg: HK$47,634 HKD|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 12HK$39,025 HKD
Retailer 9HK$39,268 HKD
Retailer 4HK$40,068 HKD
Retailer 11HK$41,818 HKD
Retailer 6HK$44,219 HKD
Retailer 3HK$44,744 HKD
Retailer 10HK$44,744 HKD
Retailer 5HK$45,050 HKD
Retailer 1HK$50,647 HKD
Retailer 2HK$51,625 HKD
Retailer 8HK$54,485 HKD
Retailer 7HK$69,928 HKD

40 data points across 12 retailers

17 retailersHK$39,025 HKD to HK$69,928 HKD

A
Cheapest Retailer
-
HK$39,025 HKD
$4,974 USD
Retailer 2
-
HK$39,268 HKD
$5,005 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
HK$40,068 HKD
$5,107 USD
View
A
Retailer 4
-
HK$41,818 HKD
$5,330 USD
View
B+
Retailer 5
-
HK$44,219 HKD
£4,438 GBP
View
Retailer 6
-
HK$44,744 HKD
$5,703 USD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$44,744 HKD
$5,703 USD
View
Price last confirmed 40 days ago
Retailer 8
-
HK$44,744 HKD
$5,703 USD
View
Price last confirmed 17 days ago
Retailer 9
-
HK$44,744 HKD
$5,703 USD
View
Price last confirmed 16 days ago
B+
Retailer 10
-
HK$45,050 HKD
£4,521 GBP
View
B+
Retailer 11
-
HK$45,958 HKD
$5,858 USD
View
B+
Retailer 12
-
HK$50,647 HKD
€6,148 EUR
View
Retailer 13
-
HK$51,625 HKD
$6,580 USD
View
Price last confirmed 40 days ago
Retailer 14
-
HK$51,625 HKD
$6,580 USD
View
Price last confirmed 14 days ago
B+
Retailer 15
-
HK$54,485 HKD
ZAR 112,190 ZAR
View
B
Retailer 16
-
HK$69,928 HKD
£7,018 GBP
View
Most Expensive
NZ Jewellers
1c628595-5e8c-4910-b08d-70337a70c21d · Sep 25
HK$74,832 HKD
$9,538 USD
View
Price last confirmed 37 days ago
16 more retailers have this diamond
Prices start from HK$39,025 HKDSave up to HK$30,903 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$39,025 HKD