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Marquise|Natural|GIA

1.51ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6552134886

Certificate GIA 6552134886

Diamond specifications and retailer prices

From $7,004 CAD
As of November 5, 2026
Save $8,688 CAD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $15,692 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552134886. Listed at 11 retailers as of November 5, 2026, with prices from $7,004 to $15,692, a $8,688 spread on the same certified stone. NZ Jewellers lists it at $15,692. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.25°
Pavilion angle37.96°
OriginNatural
Grading LabGIA
CertificateGIA 6552134886
Dimensions11.43 × 6.00 × 3.62 mm
L/W Ratio1.91
Top View
11.43 mm6.00 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552134886
Side View
Table 60.0%Crown 39.25°Girdle: MED-THKPavilion 37.96°Culet: NoneDepth 60.3%

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: $15,692 CAD|Low: $6,982 CAD|High: $15,692 CAD|Avg: $10,446 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6$7,762 CAD
Retailer 7$8,941 CAD
Retailer 4$8,997 CAD
Retailer 2$9,051 CAD
Retailer 3$9,729 CAD
Retailer 5$13,786 CAD
NZ Jewellers$15,692 CAD

44 data points across 7 retailers

11 retailers$7,004 CAD to $15,692 CAD

A
Cheapest Retailer
-
$7,004 CAD
B+
Retailer 2
-
$7,762 CAD
View
B+
Retailer 3
-
$8,114 CAD
View
B+
Retailer 4
-
$8,739 CAD
View
B+
Retailer 5
-
$8,941 CAD
View
B+
Retailer 6
-
$8,997 CAD
View
B
Retailer 7
-
$9,051 CAD
View
B
Retailer 8
-
$9,729 CAD
View
B
Retailer 9
-
$13,733 CAD
View
B
Retailer 10
-
$13,786 CAD
View
Most Expensive
B
NZ Jewellers
fd4a4456-929f-49f5-a6ea-2318e72cb3b8 · Nov 5
$15,692 CAD
$11,236 USD
View
10 more retailers have this diamond
Prices start from $7,004 CADSave up to $8,688 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
$7,004 CAD