Marquise|Natural|IGI

1.30ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 780669353

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 780669353

Diamond specifications and retailer prices

From $3,976 CAD
$2,845 USD
As of October 31, 2026
Save $4,655 CAD (54%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $8,630 CAD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 780669353. Listed at 6 retailers as of October 31, 2026, with prices from $3,976 to $8,630, a $4,655 spread on the same certified stone. NZ Jewellers lists it at $8,630. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.30
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 780669353
Dimensions11.43 × 5.66 × 3.36 mm
L/W Ratio2.02
Girdle conditionFaceted
Top View
11.43 mm5.66 mm1.30 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 780669353
Side View
Table 66.0%Crown 38.3°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.4%

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 31
Current: $8,630 CAD|Low: $3,938 CAD|High: $8,630 CAD|Avg: $5,501 CAD|+3.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6$3,976 CAD
Retailer 5$4,015 CAD
Retailer 2$4,287 CAD
Retailer 4$4,773 CAD
Retailer 3$6,904 CAD
NZ Jewellers$8,630 CAD

33 data points across 6 retailers

6 retailers$3,976 CAD to $8,630 CAD

A
Cheapest Retailer
-
$3,976 CAD
$2,845 USD
A
Retailer 2
-
$4,015 CAD
$2,873 USD
View
A
Retailer 3
-
$4,287 CAD
$3,068 USD
View
B+
Retailer 4
-
$4,773 CAD
€3,253 EUR
View
B
Retailer 5
-
$6,904 CAD
£3,890 GBP
View
Most Expensive
C
NZ Jewellers
6e742455-6930-4a45-bd17-64353b8a8c4b · Nov 3
$8,630 CAD
$6,176 USD
View
5 more retailers have this diamond
Prices start from $3,976 CADSave up to $4,655 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
1.30ct Marquise
$3,976 CAD