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Marquise|Natural|IGI

1.51ct E SI2 Marquise Natural Diamond

VG • E/SI2 • IGI 830653179

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 830653179

Diamond specifications and retailer prices

From $8,261 CAD
SGD 7,976 SGD
As of October 29, 2026
Save $6,385 CAD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $14,646 CAD at Wholesale Diamonds Direct · As of October 27, 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 E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 830653179. Listed at 8 retailers as of October 27, 2026, with prices from $8,261 to $14,646, a $6,385 spread on the same certified stone. Wholesale Diamonds Direct lists it at $14,646. 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
E
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle38.1°
OriginNatural
Grading LabIGI
CertificateIGI 830653179
Dimensions12.37 × 5.77 × 3.45 mm
L/W Ratio2.14
Girdle conditionFaceted
Top View
12.37 mm5.77 mm1.51 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830653179
Side View
Table 60.0%Crown 39.7°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 59.8%

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: Oct 29
Current: $10,109 CAD|Low: $8,261 CAD|High: $14,646 CAD|Avg: $10,339 CAD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 28, 2026
Retailer 3$8,261 CAD
Retailer 2$8,391 CAD
Retailer 5$8,398 CAD
Retailer 4$8,588 CAD
Retailer 7$9,986 CAD
Retailer 1$10,109 CAD
Retailer 6$13,029 CAD
Wholesale Diamonds Direct$14,646 CAD

15 data points across 8 retailers

8 retailers$8,261 CAD to $14,646 CAD

A
Cheapest Retailer
-
$8,261 CAD
SGD 7,976 SGD
A
Retailer 2
-
$8,391 CAD
$5,995 USD
View
A
Retailer 3
-
$8,398 CAD
$6,000 USD
View
A
Retailer 4
-
$8,588 CAD
$6,136 USD
View
A
Retailer 5
-
$9,986 CAD
$7,135 USD
View
A
Retailer 6
-
$10,109 CAD
€6,879 EUR
View
B+
Retailer 7
-
$13,029 CAD
$9,309 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
611240292 · Oct 27
$14,646 CAD
$10,464 USD
View
7 more retailers have this diamond
Prices start from $8,261 CADSave up to $6,385 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
$8,261 CAD