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Marquise|Natural|GIA

1.01ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 1558980939

Certificate GIA 1558980939

Diamond specifications and retailer prices

From $4,541 AUD
As of November 3, 2026
Save $6,330 AUD (58%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,871 AUD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558980939. Listed at 21 retailers as of November 3, 2026, with prices from $4,541 to $10,871, a $6,330 spread on the same certified stone. NZ Jewellers lists it at $10,871. 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

1.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.49°
Pavilion angle38.03°
OriginNatural
Grading LabGIA
CertificateGIA 1558980939
Dimensions9.99 × 5.32 × 3.26 mm
L/W Ratio1.88
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
9.99 mm5.32 mm1.01 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558980939
Side View
Table 65.0%Crown 30.49°Girdle: STK-VTKPavilion 38.03°Culet: NoneDepth 61.3%

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 3
Current: $10,871 AUD|Low: $4,539 AUD|High: $10,968 AUD|Avg: $6,329 AUD|-0.9%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 3, 2026
Retailer 4$4,541 AUD
Retailer 8$4,636 AUD
Retailer 10$4,828 AUD
Retailer 15$4,964 AUD
Retailer 12$5,037 AUD
Retailer 11$5,047 AUD
Retailer 17$5,375 AUD
Retailer 3$5,653 AUD
Retailer 18$5,653 AUD
Retailer 19$5,762 AUD
Retailer 21$5,819 AUD
Retailer 14$5,938 AUD
Retailer 13$5,942 AUD
Retailer 6$6,104 AUD
Retailer 5$6,522 AUD
Retailer 20$6,630 AUD
Retailer 9$6,647 AUD
Retailer 2$7,032 AUD
Retailer 16$9,385 AUD
Retailer 7$9,969 AUD
NZ Jewellers$10,871 AUD

22 data points across 21 retailers

21 retailers$4,541 AUD to $10,871 AUD

A
Cheapest Retailer
-
$4,541 AUD
A
Retailer 2
-
$4,636 AUD
View
A
Retailer 3
-
$4,828 AUD
View
A
Retailer 4
-
$4,964 AUD
View
A
Retailer 5
-
$5,037 AUD
View
A
Retailer 6
-
$5,047 AUD
View
B+
Retailer 7
-
$5,375 AUD
View
B+
Retailer 8
-
$5,653 AUD
View
B+
Retailer 9
-
$5,653 AUD
View
B+
Retailer 10
-
$5,762 AUD
View
B+
Retailer 11
-
$5,819 AUD
View
Retailer 12
-
$5,938 AUD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$5,942 AUD
View
B+
Retailer 14
-
$6,104 AUD
View
B+
Retailer 15
-
$6,522 AUD
View
B+
Retailer 16
-
$6,630 AUD
View
B+
Retailer 17
-
$6,647 AUD
View
B+
Retailer 18
-
$7,032 AUD
View
B
Retailer 19
-
$9,385 AUD
View
B
Retailer 20
-
$9,969 AUD
View
Most Expensive
B
NZ Jewellers
61d01a58-0c97-491d-8544-5b10e871e9a8 · Nov 3
$10,871 AUD
$7,592 USD
View
20 more retailers have this diamond
Prices start from $4,541 AUDSave up to $6,330 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
1.01ct Marquise
$4,541 AUD