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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6552877435

Certificate GIA 6552877435

Diamond specifications and retailer prices

From $3,317 AUD
As of November 5, 2026
Save $4,410 AUD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,727 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 6552877435. Listed at 17 retailers as of November 5, 2026, with prices from $3,317 to $7,727, a $4,410 spread on the same certified stone. NZ Jewellers lists it at $7,727. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552877435
Dimensions11.07 × 4.96 × 2.83 mm
L/W Ratio2.23
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle
Top View
11.07 mm4.96 mm1.00 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552877435
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NDepth 57.1%

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: $7,727 AUD|Low: $3,317 AUD|High: $7,727 AUD|Avg: $4,881 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
November 6, 2026
Retailer 10$3,317 AUD
Retailer 6$3,518 AUD
Retailer 4$3,787 AUD
Retailer 15$4,207 AUD
Retailer 2$4,360 AUD
Retailer 5$4,434 AUD
Retailer 14$4,434 AUD
Retailer 12$4,564 AUD
Retailer 9$4,588 AUD
Retailer 13$4,605 AUD
Retailer 7$4,638 AUD
Retailer 8$4,854 AUD
Retailer 3$5,117 AUD
Retailer 11$7,395 AUD
NZ Jewellers$7,727 AUD

29 data points across 15 retailers

17 retailers$3,317 AUD to $7,727 AUD

A
Cheapest Retailer
-
$3,317 AUD
A
Retailer 2
-
$3,518 AUD
View
Final sale: no returns
A
Retailer 3
-
$3,717 AUD
View
A
Retailer 4
-
$3,787 AUD
View
A
Retailer 5
-
$3,971 AUD
View
A
Retailer 6
-
$4,207 AUD
View
A
Retailer 7
-
$4,360 AUD
View
Retailer 8
-
$4,434 AUD
View
Price last confirmed 29 days ago
A
Retailer 9
-
$4,434 AUD
View
B+
Retailer 10
-
$4,564 AUD
View
A
Retailer 11
-
$4,588 AUD
View
B+
Retailer 12
-
$4,605 AUD
View
B+
Retailer 13
-
$4,638 AUD
View
B+
Retailer 14
-
$4,854 AUD
View
B+
Retailer 15
-
$5,117 AUD
View
B
Retailer 16
-
$7,395 AUD
View
Most Expensive
B
NZ Jewellers
0feb3286-369f-41d0-b5be-f046f78a9533 · Nov 5
$7,727 AUD
$5,409 USD
View
16 more retailers have this diamond
Prices start from $3,317 AUDSave up to $4,410 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
$3,317 AUD