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Marquise|Natural|GIA

0.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6542475233

Certificate GIA 6542475233

Diamond specifications and retailer prices

From $1,271 CAD
As of November 5, 2026
Save $713 CAD (36%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,984 CAD at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542475233. Listed at 9 retailers as of November 5, 2026, with prices from $1,271 to $1,984, a $713 spread on the same certified stone. Diamond Exchange Canada lists it at $1,984. 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

0.51
Carat
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.36°
OriginNatural
Grading LabGIA
CertificateGIA 6542475233
Dimensions8.28 × 4.34 × 2.52 mm
L/W Ratio1.91
Top View
8.28 mm4.34 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542475233
Side View
Table 63.0%Crown 33.36°Girdle: Sli. ThickPavilionCulet: NoneDepth 58.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,984 CAD|Low: $1,124 CAD|High: $1,984 CAD|Avg: $1,411 CAD
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 4$1,124 CAD
Retailer 13$1,145 CAD
Retailer 3$1,151 CAD
Retailer 5$1,235 CAD
Retailer 7$1,271 CAD
Retailer 9$1,369 CAD
Retailer 10$1,369 CAD
Retailer 12$1,377 CAD
Retailer 8$1,411 CAD
Retailer 2$1,588 CAD
Retailer 6$1,616 CAD
Retailer 11$1,730 CAD
Diamond Exchange Canada$1,984 CAD

43 data points across 13 retailers

9 retailers$1,271 CAD to $1,984 CAD

B+
Cheapest Retailer
-
$1,271 CAD
B+
Retailer 2
-
$1,369 CAD
View
B+
Retailer 3
-
$1,369 CAD
View
B+
Retailer 4
-
$1,377 CAD
View
B+
Retailer 5
-
$1,411 CAD
View
B+
Retailer 6
-
$1,588 CAD
View
B+
Retailer 7
-
$1,616 CAD
View
B
Retailer 8
-
$1,730 CAD
View
Most Expensive
B
Diamond Exchange Canada
1984739230 · Nov 5
$1,984 CAD
View
8 more retailers have this diamond
Prices start from $1,271 CADSave up to $713 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.

B+
0.51ct Marquise
$1,271 CAD