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Marquise|Natural|IGI

1.51ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 792677969

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 792677969

Diamond specifications and retailer prices

From $3,878 CAD
As of November 5, 2026
Save $3,052 CAD (44%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,930 CAD at Wholesale Diamonds Direct · As of November 6, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 792677969. Listed at 9 retailers as of November 5, 2026, with prices from $3,878 to $6,930, a $3,052 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,930. 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
K
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.7°
Pavilion angle37.7°
OriginNatural
Grading LabIGI
CertificateIGI 792677969
Dimensions12.32 × 5.76 × 3.40 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
Top View
12.32 mm5.76 mm1.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 792677969
Side View
Table 60.0%Crown 38.7°Girdle: MED-THKPavilion 37.7°Culet: NoneDepth 59.0%

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 5
Current: $5,038 CAD|Low: $3,858 CAD|High: $7,594 CAD|Avg: $5,051 CAD|-9.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 3$3,878 CAD
Retailer 5$4,082 CAD
Retailer 4$4,100 CAD
Retailer 2$4,508 CAD
Retailer 6$4,881 CAD
Retailer 7$5,002 CAD
Retailer 1$5,038 CAD
Wholesale Diamonds Direct$6,930 CAD

45 data points across 8 retailers

9 retailers$3,878 CAD to $6,930 CAD

A
Cheapest Retailer
-
$3,878 CAD
A
Retailer 2
-
$4,082 CAD
View
A
Retailer 3
-
$4,100 CAD
View
A
Retailer 4
-
$4,508 CAD
View
A
Retailer 5
-
$4,881 CAD
View
A
Retailer 6
-
$5,002 CAD
View
B+
Retailer 7
-
$5,038 CAD
View
B+
Retailer 8
-
$5,061 CAD
View
Most Expensive
B+
Wholesale Diamonds Direct
262936449 · Nov 6
$6,930 CAD
$4,927 USD
View
8 more retailers have this diamond
Prices start from $3,878 CADSave up to $3,052 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
$3,878 CAD