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Marquise|Natural|GIA

1.80ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 1559722711

Certificate GIA 1559722711

Diamond specifications and retailer prices

From $5,941 CAD
As of November 5, 2026
Save $5,874 CAD (50%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $11,815 CAD at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

About this 1.8ct natural marquise diamond

This 1.8ct 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 1559722711. Listed at 11 retailers as of November 4, 2026, with prices from $5,941 to $11,815, a $5,874 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,815. 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

1.80
Carat
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.95°
Pavilion angle37.68°
OriginNatural
Grading LabGIA
CertificateGIA 1559722711
Dimensions12.06 × 6.23 × 3.81 mm
L/W Ratio1.94
Culet sizeNone
Top View
12.06 mm6.23 mm1.80 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559722711
Side View
Table 58.0%Crown 39.95°Girdle: ThickPavilion 37.68°Culet: NoneDepth 61.1%

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: $8,451 CAD|Low: $5,909 CAD|High: $12,774 CAD|Avg: $8,220 CAD|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 4$5,941 CAD
Retailer 5$6,808 CAD
Retailer 9$7,106 CAD
Retailer 8$7,174 CAD
Retailer 2$7,355 CAD
Retailer 3$7,559 CAD
Retailer 7$8,219 CAD
Retailer 6$8,227 CAD
Retailer 1$8,451 CAD
Wholesale Diamonds Direct$11,815 CAD

43 data points across 10 retailers

11 retailers$5,941 CAD to $11,815 CAD

A
Cheapest Retailer
-
$5,941 CAD
A
Retailer 2
-
$6,808 CAD
View
A
Retailer 3
-
$7,106 CAD
View
A
Retailer 4
-
$7,174 CAD
View
A
Retailer 5
-
$7,355 CAD
View
A
Retailer 6
-
$7,559 CAD
View
A
Retailer 7
-
$8,219 CAD
View
A
Retailer 8
-
$8,227 CAD
View
B+
Retailer 9
-
$8,451 CAD
View
B+
Retailer 10
-
$9,101 CAD
View
Most Expensive
B
Wholesale Diamonds Direct
262936816 · Nov 4
$11,815 CAD
$8,400 USD
View
10 more retailers have this diamond
Prices start from $5,941 CADSave up to $5,874 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
1.80ct Marquise
$5,941 CAD