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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 $1,043 USD
As of November 5, 2026
Save $2,064 USD (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,107 USD 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 $1,043 to $3,107, a $2,064 spread on the same certified stone. NZ Jewellers lists it at $3,107. 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
Color
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 5
Current: $3,107 USD|Low: $1,043 USD|High: $3,107 USD|Avg: $1,497 USD
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 5, 2026
Retailer 2$1,043 USD
Retailer 7$1,220 USD
Retailer 10$1,274 USD
Retailer 12$1,274 USD
Retailer 9$1,323 USD
Retailer 4$1,380 USD
Retailer 6$1,390 USD
Retailer 3$1,408 USD
Retailer 8$1,411 USD
Retailer 11$1,470 USD
Retailer 5$1,554 USD
NZ Jewellers$3,107 USD

44 data points across 12 retailers

10 retailers$1,043 USD to $3,107 USD

A
Cheapest Retailer
-
$1,043 USD
A
Retailer 2
-
$1,220 USD
View
A
Retailer 3
-
$1,274 USD
View
Retailer 4
-
$1,274 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,323 USD
View
A
Retailer 6
-
$1,390 USD
View
A
Retailer 7
-
$1,408 USD
View
A
Retailer 8
-
$1,470 USD
View
A
Retailer 9
-
$1,554 USD
View
Most Expensive
B+
NZ Jewellers
6630391d-cc65-40de-a46b-831a95c10364 · Nov 5
$3,107 USD
View
9 more retailers have this diamond
Prices start from $1,043 USDSave up to $2,064 USD

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
$1,043 USD