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1.56ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 547273925

Shape and cutting style on the report: Round brilliant

Certificate IGI 547273925

Diamond specifications and retailer prices

From $1,483 AUD
As of November 6, 2026
Save $2,956 AUD (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,438 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.56ct natural round diamond

This 1.56ct 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 547273925. Listed at 10 retailers as of November 5, 2026, with prices from $1,483 to $4,438, a $2,956 spread on the same certified stone. NZ Jewellers lists it at $4,438. 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

1.56
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 547273925
Dimensions7.30 × 7.36 × 4.63 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.30 mm7.36 mm1.56 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 547273925
Side View
Table 57.5%Crown 36.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
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: $4,438 AUD|Low: $1,483 AUD|High: $4,438 AUD|Avg: $2,137 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2$1,483 AUD
Retailer 7$1,743 AUD
Retailer 10$1,820 AUD
Retailer 12$1,820 AUD
Retailer 9$1,890 AUD
Retailer 4$1,971 AUD
Retailer 6$1,986 AUD
Retailer 3$2,011 AUD
Retailer 8$2,016 AUD
Retailer 11$2,100 AUD
Retailer 5$2,220 AUD
NZ Jewellers$4,438 AUD

45 data points across 12 retailers

10 retailers$1,483 AUD to $4,438 AUD

A
Cheapest Retailer
-
$1,483 AUD
A
Retailer 2
-
$1,743 AUD
View
A
Retailer 3
-
$1,820 AUD
View
Retailer 4
-
$1,820 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,890 AUD
View
A
Retailer 6
-
$1,986 AUD
View
A
Retailer 7
-
$2,011 AUD
View
A
Retailer 8
-
$2,100 AUD
View
A
Retailer 9
-
$2,220 AUD
View
Most Expensive
B+
NZ Jewellers
6630391d-cc65-40de-a46b-831a95c10364 · Nov 5
$4,438 AUD
$3,107 USD
View
9 more retailers have this diamond
Prices start from $1,483 AUDSave up to $2,956 AUD

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
1.56ct Round
$1,483 AUD