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1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 670479108

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479108

Diamond specifications and retailer prices

From HK$36,217 HKD
As of November 5, 2026
Save HK$33,238 HKD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$69,455 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.53ct natural round diamond

This 1.53ct 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 670479108. Listed at 14 retailers as of November 5, 2026, with prices from HK$36,217 to HK$69,455, a HK$33,238 spread on the same certified stone. NZ Jewellers lists it at HK$69,455. 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

1.53
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 670479108
Dimensions7.55 × 7.51 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.55 mm7.51 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670479108
Side View
Table 61.0%Crown 32.9°Girdle: MediumPavilion 41.1°Culet: NoneDepth 59.2%

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 5
Current: HK$41,460 HKD|Low: HK$38,333 HKD|High: HK$65,325 HKD|Avg: HK$46,496 HKD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6HK$38,333 HKD
Retailer 1HK$41,460 HKD
Retailer 7HK$41,523 HKD
Retailer 2HK$41,562 HKD
Retailer 3HK$44,148 HKD
Retailer 4HK$50,661 HKD
Retailer 5HK$64,376 HKD

41 data points across 7 retailers

14 retailersHK$36,217 HKD to HK$69,455 HKD

A
Cheapest Retailer
-
HK$36,217 HKD
B+
Retailer 2
-
HK$38,333 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$38,952 HKD
View
A
Retailer 4
-
HK$41,460 HKD
View
Retailer 5
-
HK$41,523 HKD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$41,523 HKD
View
B+
Retailer 7
-
HK$41,523 HKD
View
A
Retailer 8
-
HK$41,562 HKD
View
B+
Retailer 9
-
HK$42,722 HKD
View
B+
Retailer 10
-
HK$44,148 HKD
View
B+
Retailer 11
-
HK$47,918 HKD
View
B+
Retailer 12
-
HK$50,661 HKD
View
B
Retailer 13
-
HK$64,376 HKD
View
Most Expensive
B
NZ Jewellers
8ae528ce-c06f-4288-b205-db8473f29dd4 · Nov 5
HK$69,455 HKD
$8,862 USD
View
13 more retailers have this diamond
Prices start from HK$36,217 HKDSave up to HK$33,238 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
1.53ct Round
HK$36,217 HKD