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1.54ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 635477901

Shape and cutting style on the report: Round brilliant

Certificate IGI 635477901

Diamond specifications and retailer prices

From HK$12,289 HKD
As of November 6, 2026
Save HK$6,599 HKD (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$37,753 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 635477901. Listed at 13 retailers as of November 5, 2026, with a 54% 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 635477901
Dimensions7.36 × 7.29 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.36 mm7.29 mm1.54 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 635477901
Side View
Table 58.0%Crown 35.7°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 63.2%

Caratlytics Score

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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$13,982 HKD|Low: HK$12,289 HKD|High: HK$27,439 HKD|Avg: HK$17,826 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2HK$12,289 HKD
Retailer 1HK$13,982 HKD
Retailer 7HK$15,048 HKD
Retailer 3HK$16,850 HKD
Retailer 4HK$16,897 HKD
Retailer 5HK$18,888 HKD
Retailer 6HK$27,258 HKD

31 data points across 7 retailers

13 retailersHK$12,289 HKD to HK$18,888 HKD

A
Cheapest Retailer
-
HK$12,289 HKD
A
Retailer 2
-
HK$13,982 HKD
View
A
Retailer 3
-
HK$15,048 HKD
View
Retailer 4
-
HK$15,479 HKD
View
Price last confirmed 36 days ago
A
Retailer 5
-
HK$15,792 HKD
View
Retailer 6
-
HK$16,192 HKD
View
Price last confirmed 38 days ago
A
Retailer 7
-
HK$16,553 HKD
View
A
Retailer 8
-
HK$16,850 HKD
View
A
Retailer 9
-
HK$16,897 HKD
View
Retailer 10
-
HK$17,861 HKD
View
Price last confirmed 38 days ago
A
Retailer 11
-
HK$18,888 HKD
View
Retailer 12
-
HK$27,258 HKD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
19c76719-e8be-4156-8aaf-56823ce27e86 · Sep 28
HK$37,753 HKD
$4,817 USD
View
Price last confirmed 39 days ago
12 more retailers have this diamond
Prices start from HK$12,289 HKDSave up to HK$6,599 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$12,289 HKD