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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 $1,489 SGD
As of November 5, 2026
Save $2,993 SGD (67%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,482 SGD 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 $1,489 to $4,482, a $2,993 spread on the same certified stone. NZ Jewellers lists it at $4,482. 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 5
Current: $4,482 SGD|Low: $1,489 SGD|High: $4,482 SGD|Avg: $2,164 SGD
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 4$1,489 SGD
Retailer 7$1,703 SGD
Retailer 3$1,837 SGD
Retailer 10$1,837 SGD
Retailer 8$1,922 SGD
Retailer 6$1,961 SGD
Retailer 2$2,000 SGD
Retailer 9$2,010 SGD
Retailer 11$2,120 SGD
Retailer 5$2,242 SGD
NZ Jewellers$4,482 SGD

45 data points across 11 retailers

11 retailers$1,489 SGD to $4,482 SGD

A
Cheapest Retailer
-
$1,489 SGD
A
Retailer 2
-
$1,703 SGD
View
Retailer 3
-
$1,837 SGD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$1,837 SGD
View
A
Retailer 5
-
$1,922 SGD
View
A
Retailer 6
-
$1,961 SGD
View
A
Retailer 7
-
$2,000 SGD
View
A
Retailer 8
-
$2,010 SGD
View
A
Retailer 9
-
$2,120 SGD
View
A
Retailer 10
-
$2,242 SGD
View
Most Expensive
B
NZ Jewellers
7cdd6e91-03dd-427e-b4e9-bc40199fd98a · Nov 5
$4,482 SGD
$3,509 USD
View
10 more retailers have this diamond
Prices start from $1,489 SGDSave up to $2,993 SGD

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
$1,489 SGD