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1.55ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 670479391

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479391

Diamond specifications and retailer prices

From $3,462 NZD
As of November 4, 2026
Save $4,552 NZD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,014 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct 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 670479391. Listed at 11 retailers as of November 4, 2026, with prices from $3,462 to $8,014, a $4,552 spread on the same certified stone. NZ Jewellers lists it at $8,014. 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

1.55
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.9°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 670479391
Dimensions7.36 × 7.43 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.36 mm7.43 mm1.55 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 670479391
Side View
Table 55.0%Crown 32.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.6%

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 4
Current: $8,014 NZD|Low: $3,462 NZD|High: $8,733 NZD|Avg: $4,630 NZD|-1.8%
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 6$3,462 NZD
Retailer 3$3,672 NZD
Retailer 10$3,834 NZD
Retailer 9$3,869 NZD
Retailer 11$3,901 NZD
Retailer 7$4,010 NZD
Retailer 2$4,173 NZD
Retailer 8$4,422 NZD
Retailer 4$4,679 NZD
Retailer 5$4,757 NZD
NZ Jewellers$8,014 NZD

38 data points across 11 retailers

11 retailers$3,462 NZD to $8,014 NZD

A
Cheapest Retailer
-
$3,462 NZD
A
Retailer 2
-
$3,672 NZD
View
A
Retailer 3
-
$3,834 NZD
View
A
Retailer 4
-
$3,869 NZD
View
Retailer 5
-
$3,901 NZD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$4,010 NZD
View
A
Retailer 7
-
$4,173 NZD
View
A
Retailer 8
-
$4,422 NZD
View
A
Retailer 9
-
$4,679 NZD
View
B+
Retailer 10
-
$4,757 NZD
View
Most Expensive
B
NZ Jewellers
7dd6dd44-cec5-4278-a7e2-034ae5b383da · Nov 5
$8,014 NZD
$4,505 USD
View
10 more retailers have this diamond
Prices start from $3,462 NZDSave up to $4,552 NZD

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
1.55ct Round
$3,462 NZD