Marquise|Natural|GIA

0.50ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 6555438330

Certificate GIA 6555438330

Diamond specifications and retailer prices

From $504 CAD
As of November 4, 2026
Save $1,771 CAD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,274 CAD at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 0.5ct natural marquise diamond

This 0.5ct natural marquise sits in the half to three-quarter carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555438330. Listed at 12 retailers as of November 4, 2026, with prices from $504 to $2,274, a $1,771 spread on the same certified stone. NZ Jewellers lists it at $2,274. 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

0.50
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555438330
Dimensions8.44 × 4.16 × 2.41 mm
L/W Ratio2.03
Girdle conditionThick to Very Thick
Key to symbols
Feather, Crystal
Top View
8.44 mm4.16 mm0.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555438330
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 57.9%

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 4
Current: $2,274 CAD|Low: $504 CAD|High: $2,317 CAD|Avg: $984 CAD|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 3$504 CAD
Retailer 8$533 CAD
Retailer 12$612 CAD
Retailer 10$726 CAD
Retailer 11$769 CAD
Retailer 4$778 CAD
Retailer 9$781 CAD
Retailer 5$890 CAD
Retailer 2$954 CAD
Retailer 6$1,176 CAD
Retailer 7$1,665 CAD
NZ Jewellers$2,274 CAD

28 data points across 12 retailers

12 retailers$504 CAD to $2,274 CAD

A
Cheapest Retailer
-
$504 CAD
Final sale: no returns
A
Retailer 2
-
$533 CAD
View
A
Retailer 3
-
$612 CAD
View
A
Retailer 4
-
$726 CAD
View
A
Retailer 5
-
$769 CAD
View
Retailer 6
-
$778 CAD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$781 CAD
View
B+
Retailer 8
-
$890 CAD
View
B+
Retailer 9
-
$954 CAD
View
B+
Retailer 10
-
$1,176 CAD
View
B
Retailer 11
-
$1,665 CAD
View
Most Expensive
B
NZ Jewellers
62cd1bc3-5fc8-42e9-84af-cd8d77ad2090 · Nov 7
$2,274 CAD
$1,617 USD
View
11 more retailers have this diamond
Prices start from $504 CADSave up to $1,771 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
0.50ct Marquise
$504 CAD