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Marquise|Natural|GIA

0.73ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 7558306038

Certificate GIA 7558306038

Diamond specifications and retailer prices

From $797 AUD
As of November 5, 2026
Save $703 AUD (47%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,500 AUD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.73ct natural marquise diamond

This 0.73ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7558306038. Listed at 9 retailers as of November 5, 2026, with prices from $797 to $1,500, a $703 spread on the same certified stone. Frank Darling lists it at $1,500. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.42°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7558306038
Dimensions8.90 × 4.65 × 2.98 mm
L/W Ratio1.91
Culet sizeNone
Top View
8.90 mm4.65 mm0.73 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558306038
Side View
Table 60.0%Crown 39.42°Girdle: MED-VTKPavilion 40.6°Culet: NoneDepth 64.2%

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: $1,500 AUD|Low: $687 AUD|High: $1,691 AUD|Avg: $1,200 AUD|-8.3%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$687 AUD
Retailer 4$797 AUD
Retailer 8$894 AUD
Retailer 7$1,071 AUD
Retailer 10$1,104 AUD
Retailer 5$1,164 AUD
Retailer 2$1,249 AUD
Retailer 6$1,254 AUD
Retailer 9$1,357 AUD
Frank Darling$1,500 AUD
Retailer 11$1,691 AUD

27 data points across 11 retailers

9 retailers$797 AUD to $1,500 AUD

A
Cheapest Retailer
-
$797 AUD
A
Retailer 2
-
$894 AUD
View
A
Retailer 3
-
$1,071 AUD
View
A
Retailer 4
-
$1,164 AUD
View
B+
Retailer 5
-
$1,249 AUD
View
B+
Retailer 6
-
$1,254 AUD
View
B+
Retailer 7
-
$1,287 AUD
View
B+
Retailer 8
-
$1,357 AUD
View
Most Expensive
B+
Frank Darling
2648695HK · Nov 6
$1,500 AUD
$1,050 USD
View
8 more retailers have this diamond
Prices start from $797 AUDSave up to $703 AUD

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
$797 AUD