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Marquise|Natural|GIA

0.73ct D SI1 Marquise Natural Diamond

D/SI1 • GIA 2556314351

Certificate GIA 2556314351

Diamond specifications and retailer prices

From $1,391 AUD
As of November 1, 2026
Save $2,354 AUD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,746 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.73ct natural marquise diamond

This 0.73ct natural marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA 2556314351. Listed at 5 retailers as of October 30, 2026, with prices from $1,391 to $3,746, a $2,354 spread on the same certified stone. NZ Jewellers lists it at $3,746. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.73
Carat
D
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2556314351
Dimensions8.62 × 4.57 × 3.03 mm
L/W Ratio1.89
Key to symbols
Crystal
Top View
8.62 mm4.57 mm0.73 ctD / SI1
OriginNatural
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2556314351
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.2%

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 1
Current: $3,746 AUD|Low: $1,254 AUD|High: $4,391 AUD|Avg: $2,610 AUD|-14.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 5$1,391 AUD
Retailer 4$1,417 AUD
Retailer 3$2,063 AUD
Retailer 2$2,812 AUD
NZ Jewellers$3,746 AUD

25 data points across 5 retailers

5 retailers$1,391 AUD to $3,746 AUD

A
Cheapest Retailer
-
$1,391 AUD
B+
Retailer 2
-
$1,417 AUD
$993 USD
View
Final sale: no returns
B
Retailer 3
-
$2,063 AUD
€1,377 EUR
View
Retailer 4
-
$2,812 AUD
£1,552 GBP
View
Most Expensive
C
NZ Jewellers
f05523ac-87db-4c68-9860-92695daa33e2 · Oct 30
$3,746 AUD
$2,625 USD
View
4 more retailers have this diamond
Prices start from $1,391 AUDSave up to $2,354 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
$1,391 AUD