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Marquise|Natural|GIA

0.73ct J SI2 Marquise Natural Diamond

EX • J/SI2

Diamond specifications and retailer prices

From $1,245 CAD
$891 USD
As of October 31, 2026
Save $524 CAD (30%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,768 CAD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 0.73ct natural marquise diamond

This 0.73ct natural marquise sits in the half to three-quarter carat band, graded J 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. Listed at 3 retailers as of October 30, 2026, with prices from $1,245 to $1,768, a $524 spread on the same certified stone. Helzberg Diamonds lists it at $1,768. 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

0.73
Carat
J
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions8.75 × 4.62 × 2.96 mm
L/W Ratio1.89
Top View
8.75 mm4.62 mm0.73 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.1%

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: Oct 31
Current: $1,768 CAD|Low: $1,083 CAD|High: $1,810 CAD|Avg: $1,465 CAD|-2.3%
Helzberg Diamonds
Retailer 2
Retailer 3
October 30, 2026
Retailer 2$1,083 CAD
Retailer 3$1,245 CAD
Helzberg Diamonds$1,768 CAD

6 data points across 3 retailers

3 retailers$1,245 CAD to $1,768 CAD

Retailer 1
-
$1,083 CAD
$775 USD
Price last confirmed 28 days ago
B+
Retailer 2
-
$1,245 CAD
$891 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLIKIGMKJNO · Oct 30
$1,768 CAD
$1,266 USD
View
2 more retailers have this diamond
Prices start from $1,245 CADSave up to $524 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+
0.73ct Marquise
$1,245 CAD