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Marquise|Natural|GIA

0.51ct E SI1 Marquise Natural Diamond

ID • E/SI1 • GIA 2544730685

Certificate GIA 2544730685

Diamond specifications and retailer prices

From $809 CAD
As of November 5, 2026
Save $2,526 CAD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,335 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2544730685. Listed at 13 retailers as of November 5, 2026, with prices from $809 to $3,335, a $2,526 spread on the same certified stone. NZ Jewellers lists it at $3,335. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2544730685
Dimensions8.39 × 4.15 × 2.57 mm
L/W Ratio2.02
Top View
8.39 mm4.15 mm0.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2544730685
Side View
Table 59.0%CrownGirdle: UND-UNDPavilionCulet: NoneDepth 61.9%

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: $3,335 CAD|Low: $809 CAD|High: $3,335 CAD|Avg: $1,358 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
November 6, 2026
Retailer 6$809 CAD
Retailer 5$968 CAD
Retailer 11$980 CAD
Retailer 12$1,064 CAD
Retailer 7$1,091 CAD
Retailer 3$1,101 CAD
Retailer 10$1,105 CAD
Retailer 13$1,208 CAD
Retailer 4$1,228 CAD
Retailer 2$1,270 CAD
Retailer 9$1,503 CAD
Retailer 8$1,945 CAD
NZ Jewellers$3,335 CAD

33 data points across 13 retailers

13 retailers$809 CAD to $3,335 CAD

A
Cheapest Retailer
-
$809 CAD
A
Retailer 2
-
$968 CAD
View
A
Retailer 3
-
$980 CAD
View
Final sale: no returns
A
Retailer 4
-
$1,064 CAD
View
A
Retailer 5
-
$1,091 CAD
View
A
Retailer 6
-
$1,101 CAD
View
A
Retailer 7
-
$1,105 CAD
View
B+
Retailer 8
-
$1,208 CAD
View
B+
Retailer 9
-
$1,228 CAD
View
B+
Retailer 10
-
$1,270 CAD
View
B+
Retailer 11
-
$1,503 CAD
View
B
Retailer 12
-
$1,945 CAD
View
Most Expensive
B
NZ Jewellers
891262ae-d934-4997-a518-e966a78ffeb0 · Nov 5
$3,335 CAD
$2,388 USD
View
12 more retailers have this diamond
Prices start from $809 CADSave up to $2,526 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
0.51ct Marquise
$809 CAD