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Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

ID • G/SI2 • GIA 5543750984

Certificate GIA 5543750984

Diamond specifications and retailer prices

From $10,073 CAD
$7,211 USD
As of October 28, 2026
Save $12,361 CAD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $22,434 CAD at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543750984. Listed at 15 retailers as of October 28, 2026, with prices from $10,073 to $22,434, a $12,361 spread on the same certified stone. NZ Jewellers lists it at $22,434. 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
G
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38.2°
Pavilion angle40.48°
OriginNatural
Grading LabGIA
CertificateGIA 5543750984
Dimensions11.32 × 5.99 × 3.81 mm
L/W Ratio1.89
Top View
11.32 mm5.99 mm1.51 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5543750984
Side View
Table 58.0%Crown 38.2°Girdle: ThickPavilion 40.48°Culet: NoneDepth 63.6%

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: Oct 28
Current: $22,434 CAD|Low: $10,073 CAD|High: $22,434 CAD|Avg: $13,586 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 5$10,073 CAD
Retailer 4$10,982 CAD
Retailer 13$11,131 CAD
Retailer 15$11,671 CAD
Retailer 8$12,558 CAD
Retailer 12$12,568 CAD
Retailer 16$12,641 CAD
Retailer 10$12,648 CAD
Retailer 17$13,018 CAD
Retailer 7$13,424 CAD
Retailer 14$13,424 CAD
Retailer 3$13,726 CAD
Retailer 6$13,871 CAD
Retailer 9$13,971 CAD
Retailer 11$14,015 CAD
Retailer 2$18,693 CAD
NZ Jewellers$22,434 CAD

19 data points across 17 retailers

15 retailers$10,073 CAD to $22,434 CAD

A
Cheapest Retailer
-
$10,073 CAD
$7,211 USD
A
Retailer 2
-
$10,982 CAD
$7,861 USD
View
A
Retailer 3
-
$11,131 CAD
View
B+
Retailer 4
-
$11,671 CAD
$8,355 USD
View
B+
Retailer 5
-
$12,568 CAD
$8,997 USD
View
B+
Retailer 6
-
$12,641 CAD
$9,049 USD
View
B+
Retailer 7
-
$12,648 CAD
£7,129 GBP
View
B+
Retailer 8
-
$13,018 CAD
$9,319 USD
View
B+
Retailer 9
-
$13,424 CAD
$9,610 USD
View
B+
Retailer 10
-
$13,424 CAD
$9,610 USD
View
B+
Retailer 11
-
$13,726 CAD
$9,826 USD
View
B+
Retailer 12
-
$13,871 CAD
$9,930 USD
View
B+
Retailer 13
-
$14,015 CAD
€9,555 EUR
View
B
Retailer 14
-
$18,693 CAD
£10,537 GBP
View
Most Expensive
B
NZ Jewellers
c063fcbe-496c-47bf-aed7-fbff7226c26f · Oct 30
$22,434 CAD
$16,060 USD
View
14 more retailers have this diamond
Prices start from $10,073 CADSave up to $12,361 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
$10,073 CAD