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Marquise|Natural|IGI

1.51ct J SI2 Marquise Natural Diamond

VG • J/SI2 • IGI 803677736

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803677736

Diamond specifications and retailer prices

From $2,730 CAD
As of November 5, 2026
Save $2,922 CAD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,653 CAD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 803677736. Listed at 6 retailers as of November 4, 2026, with prices from $2,730 to $5,653, a $2,922 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,653. 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

1.51
Carat
J
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle39.2°
OriginNatural
Grading LabIGI
CertificateIGI 803677736
Dimensions10.72 × 5.79 × 3.81 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
10.72 mm5.79 mm1.51 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803677736
Side View
Table 60.0%Crown 43.9°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 65.8%

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: Nov 5
Current: $2,730 CAD|Low: $2,715 CAD|High: $6,571 CAD|Avg: $4,183 CAD|-10.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 5, 2026
Retailer 1$2,730 CAD
Retailer 7$2,755 CAD
Retailer 2$3,296 CAD
Retailer 4$3,353 CAD
Retailer 3$4,114 CAD
Retailer 8$4,269 CAD
Retailer 5$4,452 CAD
Retailer 6$5,380 CAD
Wholesale Diamonds Direct$5,653 CAD

31 data points across 9 retailers

6 retailers$2,730 CAD to $5,653 CAD

A
Cheapest Retailer
-
$2,730 CAD
A
Retailer 2
-
$3,296 CAD
View
A
Retailer 3
-
$3,353 CAD
View
B+
Retailer 4
-
$4,114 CAD
View
B+
Retailer 5
-
$4,269 CAD
View
Most Expensive
B+
Wholesale Diamonds Direct
262936441 · Nov 4
$5,653 CAD
$4,047 USD
View
5 more retailers have this diamond
Prices start from $2,730 CADSave up to $2,922 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
1.51ct Marquise
$2,730 CAD