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1.55ct I SI2 Round Natural Diamond

EX • I/SI2 • IGI 780669607

Shape and cutting style on the report: Round brilliant

Certificate IGI 780669607

Diamond specifications and retailer prices

From $2,719 CAD
SGD 2,630 SGD
As of October 29, 2026
Save $4,547 CAD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,265 CAD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 780669607. Listed at 7 retailers as of October 29, 2026, with prices from $2,719 to $7,265, a $4,547 spread on the same certified stone. NZ Jewellers lists it at $7,265. 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
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 780669607
Dimensions7.39 × 7.44 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.39 mm7.44 mm1.55 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 780669607
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 41.7°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $7,265 CAD|Low: $2,719 CAD|High: $7,890 CAD|Avg: $4,728 CAD|-7.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7$2,719 CAD
Retailer 6$3,625 CAD
Retailer 2$3,770 CAD
Retailer 4$3,791 CAD
Retailer 5$3,953 CAD
Retailer 3$6,383 CAD
NZ Jewellers$7,265 CAD

43 data points across 7 retailers

7 retailers$2,719 CAD to $7,265 CAD

A
Cheapest Retailer
-
$2,719 CAD
SGD 2,630 SGD
A
Retailer 2
-
$3,625 CAD
$2,595 USD
View
A
Retailer 3
-
$3,770 CAD
£2,125 GBP
View
A
Retailer 4
-
$3,791 CAD
$2,714 USD
View
A
Retailer 5
-
$3,953 CAD
$2,830 USD
View
A
Retailer 6
-
$6,383 CAD
£3,598 GBP
View
Most Expensive
B+
NZ Jewellers
15e4c9f3-3229-43cc-95e5-9977e36fde67 · Oct 30
$7,265 CAD
$5,201 USD
View
6 more retailers have this diamond
Prices start from $2,719 CADSave up to $4,547 CAD

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
$2,719 CAD