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Marquise|Natural|GIA

1.51ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 7558309385

Certificate GIA 7558309385

Diamond specifications and retailer prices

From $3,589 CAD
As of November 5, 2026
Save $3,645 CAD (50%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,234 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 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 7558309385. Listed at 10 retailers as of November 4, 2026, with prices from $3,589 to $7,234, a $3,645 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,234. 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 angle39.92°
Pavilion angle38.88°
OriginNatural
Grading LabGIA
CertificateGIA 7558309385
Dimensions11.13 × 5.88 × 3.73 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.13 mm5.88 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558309385
Side View
Table 59.0%Crown 39.92°Girdle: MED-THKPavilion 38.88°Culet: NoneDepth 63.5%

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 5
Current: $4,472 CAD|Low: $3,497 CAD|High: $8,240 CAD|Avg: $5,210 CAD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 3$3,497 CAD
Retailer 5$3,589 CAD
Retailer 6$3,972 CAD
Retailer 10$4,370 CAD
Retailer 1$4,472 CAD
Retailer 9$4,786 CAD
Retailer 7$5,099 CAD
Retailer 8$5,211 CAD
Retailer 4$5,283 CAD
Retailer 2$5,417 CAD
Retailer 11$6,814 CAD
Wholesale Diamonds Direct$7,234 CAD

33 data points across 12 retailers

10 retailers$3,589 CAD to $7,234 CAD

A
Cheapest Retailer
-
$3,589 CAD
A
Retailer 2
-
$3,972 CAD
View
A
Retailer 3
-
$4,370 CAD
View
A
Retailer 4
-
$4,472 CAD
View
A
Retailer 5
-
$4,786 CAD
View
A
Retailer 6
-
$5,099 CAD
View
A
Retailer 7
-
$5,211 CAD
View
A
Retailer 8
-
$5,283 CAD
View
B+
Retailer 9
-
$5,417 CAD
View
Most Expensive
B+
Wholesale Diamonds Direct
262936460 · Nov 4
$7,234 CAD
$5,180 USD
View
9 more retailers have this diamond
Prices start from $3,589 CADSave up to $3,645 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
$3,589 CAD