Marquise|Natural|GIA

1.01ct E SI1 Marquise Natural Diamond

ID • E/SI1 • GIA 1242100148

Certificate GIA 1242100148

Diamond specifications and retailer prices

From $3,933 AUD
As of November 4, 2026
Save $4,975 AUD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,908 AUD at NZ Jewellers · As of November 5, 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 1242100148. Listed at 13 retailers as of November 4, 2026, with prices from $3,933 to $8,908, a $4,975 spread on the same certified stone. NZ Jewellers lists it at $8,908. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1242100148
Dimensions9.72 × 5.30 × 3.34 mm
L/W Ratio1.83
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Needle
Top View
9.72 mm5.30 mm1.01 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1242100148
Side View
Table 63.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.0%

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 4
Current: $8,908 AUD|Low: $3,933 AUD|High: $8,908 AUD|Avg: $5,071 AUD|+14.9%
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
November 6, 2026
Retailer 4$3,933 AUD
Retailer 12$4,100 AUD
Retailer 2$4,133 AUD
Retailer 3$4,261 AUD
Retailer 10$4,261 AUD
Retailer 9$4,424 AUD
Retailer 6$4,510 AUD
Retailer 11$4,915 AUD
Retailer 13$4,967 AUD
Retailer 5$4,985 AUD
Retailer 7$5,200 AUD
Retailer 8$7,105 AUD
NZ Jewellers$8,908 AUD

19 data points across 13 retailers

13 retailers$3,933 AUD to $8,908 AUD

A
Cheapest Retailer
-
$3,933 AUD
Final sale: no returns
A
Retailer 2
-
$4,100 AUD
View
A
Retailer 3
-
$4,133 AUD
View
Retailer 4
-
$4,261 AUD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$4,261 AUD
View
A
Retailer 6
-
$4,424 AUD
View
A
Retailer 7
-
$4,510 AUD
View
A
Retailer 8
-
$4,915 AUD
View
Retailer 9
-
$4,967 AUD
View
Price last confirmed 13 days ago
Retailer 10
-
$4,985 AUD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$5,200 AUD
View
B+
Retailer 12
-
$7,105 AUD
View
Most Expensive
B
NZ Jewellers
c3eb2987-ce19-4f2f-aaf5-7467343a7841 · Nov 5
$8,908 AUD
$6,236 USD
View
12 more retailers have this diamond
Prices start from $3,933 AUDSave up to $4,975 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
$3,933 AUD