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Marquise|Natural|IGI

0.51ct K VS1 Marquise Natural Diamond

VG • K/VS1 • IGI 731559808

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 731559808

Diamond specifications and retailer prices

From $341 CAD
As of November 6, 2026
Save $1,425 CAD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,765 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 731559808. Listed at 14 retailers as of November 5, 2026, with prices from $341 to $1,765, a $1,425 spread on the same certified stone. NZ Jewellers lists it at $1,765. 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

0.51
Carat
K
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle38.8°
OriginNatural
Grading LabIGI
CertificateIGI 731559808
Dimensions8.12 × 4.34 × 2.54 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Top View
8.12 mm4.34 mm0.51 ctK / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 731559808
Side View
Table 59.0%Crown 34.7°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 58.5%

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 6
Current: $341 CAD|Low: $341 CAD|High: $1,075 CAD|Avg: $685 CAD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$341 CAD
Retailer 2$531 CAD
Retailer 3$609 CAD
Retailer 4$714 CAD
Retailer 5$768 CAD
Retailer 7$860 CAD
Retailer 6$1,064 CAD

31 data points across 7 retailers

14 retailers$341 CAD to $1,765 CAD

A
Cheapest Retailer
-
$341 CAD
Retailer 2
-
$420 CAD
View
Price last confirmed 95 days ago
A
Retailer 3
-
$461 CAD
View
Retailer 4
-
$496 CAD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$514 CAD
View
A
Retailer 6
-
$531 CAD
View
B+
Retailer 7
-
$609 CAD
View
B+
Retailer 8
-
$620 CAD
View
B+
Retailer 9
-
$642 CAD
View
A
Retailer 10
-
$714 CAD
View
B+
Retailer 11
-
$768 CAD
View
B+
Retailer 12
-
$860 CAD
View
B+
Retailer 13
-
$1,064 CAD
View
Most Expensive
C
NZ Jewellers
ce013447-d670-4d1b-a8b2-5cb0defe77df · Nov 5
$1,765 CAD
$1,264 USD
View
13 more retailers have this diamond
Prices start from $341 CADSave up to $1,425 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
0.51ct Marquise
$341 CAD