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Marquise|Natural|GIA

1.30ct E SI2 Marquise Natural Diamond

E/SI2

Diamond specifications and retailer prices

From $10,391 AUD
As of November 5, 2026
Save $10,638 AUD (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $21,029 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI2 clarity (slightly-included) and certified by GIA. Listed at 3 retailers as of November 5, 2026, with prices from $10,391 to $21,029, a $10,638 spread on the same certified stone. NZ Jewellers lists it at $21,029. 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

1.30
Carat
E
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions12.11 × 5.70 × 3.25 mm
L/W Ratio2.12
Top View
12.11 mm5.70 mm1.30 ctE / SI2
OriginNatural
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCuletDepth 57.1%

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: Nov 5
Current: $21,029 AUD|Low: $10,391 AUD|High: $21,029 AUD|Avg: $13,204 AUD
NZ Jewellers
Retailer 2
Retailer 3
October 14, 2026
Retailer 2$10,391 AUD
Retailer 3$12,471 AUD
NZ Jewellers$21,029 AUD

3 data points across 3 retailers

3 retailers$10,391 AUD to $21,029 AUD

B+
Cheapest Retailer
-
$10,391 AUD
B
Retailer 2
-
$12,471 AUD
View
Most Expensive
C
NZ Jewellers
8b87b583-c1ea-476a-baca-93392799d7b8 · Nov 5
$21,029 AUD
$14,721 USD
View
2 more retailers have this diamond
Prices start from $10,391 AUDSave up to $10,638 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.

B+
1.30ct Marquise
$10,391 AUD