Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 2568013866

Certificate GIA 2568013866

Diamond specifications and retailer prices

From $4,555 AUD
As of November 5, 2026
Save $4,563 AUD (50%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,118 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2568013866. Listed at 16 retailers as of November 5, 2026, with prices from $4,555 to $9,118, a $4,563 spread on the same certified stone. NZ Jewellers lists it at $9,118. 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

1.00
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2568013866
Dimensions11.27 × 5.13 × 3.04 mm
L/W Ratio2.20
Culet sizeNone
Key to symbols
Feather, Crystal, Needle
Top View
11.27 mm5.13 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2568013866
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.3%

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: $9,118 AUD|Low: $3,376 AUD|High: $9,118 AUD|Avg: $5,652 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 8$3,376 AUD
Retailer 6$4,645 AUD
Retailer 15$4,831 AUD
Retailer 4$4,860 AUD
Retailer 7$5,031 AUD
Retailer 10$5,085 AUD
Retailer 2$5,097 AUD
Retailer 16$5,234 AUD
Retailer 3$5,431 AUD
Retailer 14$5,434 AUD
Retailer 5$5,441 AUD
Retailer 9$5,981 AUD
Retailer 12$6,103 AUD
Retailer 13$7,907 AUD
Retailer 11$8,727 AUD
NZ Jewellers$9,118 AUD

26 data points across 16 retailers

16 retailers$4,555 AUD to $9,118 AUD

A
Cheapest Retailer
-
$4,555 AUD
A
Retailer 2
-
$4,645 AUD
View
B+
Retailer 3
-
$4,831 AUD
View
Final sale: no returns
B+
Retailer 4
-
$4,860 AUD
View
B+
Retailer 5
-
$5,031 AUD
View
B+
Retailer 6
-
$5,085 AUD
View
B+
Retailer 7
-
$5,097 AUD
View
B+
Retailer 8
-
$5,234 AUD
View
B+
Retailer 9
-
$5,431 AUD
View
B+
Retailer 10
-
$5,434 AUD
View
B+
Retailer 11
-
$5,441 AUD
View
B+
Retailer 12
-
$5,981 AUD
View
B+
Retailer 13
-
$6,103 AUD
View
B
Retailer 14
-
$7,907 AUD
View
B
Retailer 15
-
$8,727 AUD
View
Most Expensive
B
NZ Jewellers
d02b43ed-d634-42fd-bd6a-d0984894adb3 · Nov 5
$9,118 AUD
$6,383 USD
View
15 more retailers have this diamond
Prices start from $4,555 AUDSave up to $4,563 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
1.00ct Marquise
$4,555 AUD