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Marquise|Natural|GIA

0.73ct J SI2 Marquise Natural Diamond

EX • J/SI2

Diamond specifications and retailer prices

From $770 USD
As of November 1, 2026
Save $496 USD (39%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,266 USD at Helzberg Diamonds · As of November 1, 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 November 1, 2026, with prices from $770 to $1,266, a $496 spread on the same certified stone. Helzberg Diamonds lists it at $1,266. 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 →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,266 USD|Low: $770 USD|High: $1,296 USD|Avg: $1,036 USD|-2.3%
Helzberg Diamonds
Retailer 2
Retailer 3
November 1, 2026
Retailer 2$770 USD
Retailer 3$891 USD
Helzberg Diamonds$1,266 USD

7 data points across 3 retailers

3 retailers$770 USD to $1,266 USD

A
Cheapest Retailer
-
$770 USD
B+
Retailer 2
-
$891 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLIKIGMKJNO · Nov 1
$1,266 USD
View
2 more retailers have this diamond
Prices start from $770 USDSave up to $496 USD

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
0.73ct Marquise
$770 USD