Round|Natural|IGI

1.57ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 743512789

Shape and cutting style on the report: Round brilliant

Certificate IGI 743512789

Diamond specifications and retailer prices

From HK$9,108 HKD
As of November 6, 2026
Save HK$18,421 HKD (67%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$27,529 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.57ct natural round diamond

This 1.57ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 743512789. Listed at 11 retailers as of November 5, 2026, with prices from HK$9,108 to HK$27,529, a HK$18,421 spread on the same certified stone. NZ Jewellers lists it at HK$27,529. 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

1.57
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 743512789
Dimensions7.38 × 7.42 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.38 mm7.42 mm1.57 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 743512789
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.0%

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$27,529 HKD|Low: HK$9,108 HKD|High: HK$27,529 HKD|Avg: HK$13,292 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 2HK$9,108 HKD
Retailer 7HK$10,458 HKD
Retailer 3HK$11,281 HKD
Retailer 10HK$11,281 HKD
Retailer 8HK$11,807 HKD
Retailer 6HK$12,042 HKD
Retailer 4HK$12,286 HKD
Retailer 9HK$12,348 HKD
Retailer 11HK$13,023 HKD
Retailer 5HK$13,768 HKD
NZ JewellersHK$27,529 HKD

45 data points across 11 retailers

11 retailersHK$9,108 HKD to HK$27,529 HKD

A
Cheapest Retailer
-
HK$9,108 HKD
A
Retailer 2
-
HK$10,458 HKD
View
Retailer 3
-
HK$11,281 HKD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$11,281 HKD
View
A
Retailer 5
-
HK$11,807 HKD
View
A
Retailer 6
-
HK$12,042 HKD
View
A
Retailer 7
-
HK$12,286 HKD
View
A
Retailer 8
-
HK$12,348 HKD
View
A
Retailer 9
-
HK$13,023 HKD
View
A
Retailer 10
-
HK$13,768 HKD
View
Most Expensive
B
NZ Jewellers
7cdd6e91-03dd-427e-b4e9-bc40199fd98a · Nov 5
HK$27,529 HKD
$3,509 USD
View
10 more retailers have this diamond
Prices start from HK$9,108 HKDSave up to HK$18,421 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
1.57ct Round
HK$9,108 HKD