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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 $4,145 NZD
As of November 3, 2026
Save $5,473 NZD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,617 NZD at NZ Jewellers · As of November 3, 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 3, 2026, with prices from $4,145 to $9,617, a $5,473 spread on the same certified stone. NZ Jewellers lists it at $9,617. 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 3
Current: $9,617 NZD|Low: $3,981 NZD|High: $9,617 NZD|Avg: $5,966 NZD
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 4, 2026
Retailer 11$4,145 NZD
Retailer 5$4,379 NZD
Retailer 3$4,713 NZD
Retailer 8$4,943 NZD
Retailer 15$5,236 NZD
Retailer 9$5,448 NZD
Retailer 4$5,519 NZD
Retailer 14$5,519 NZD
Retailer 2$5,711 NZD
Retailer 12$5,732 NZD
Retailer 6$5,734 NZD
Retailer 7$5,773 NZD
Retailer 10$6,058 NZD
Retailer 16$6,369 NZD
Retailer 13$9,230 NZD
NZ Jewellers$9,617 NZD

29 data points across 16 retailers

17 retailers$4,145 NZD to $9,617 NZD

A
Cheapest Retailer
-
$4,145 NZD
A
Retailer 2
-
$4,379 NZD
View
Final sale: no returns
A
Retailer 3
-
$4,626 NZD
View
A
Retailer 4
-
$4,713 NZD
View
A
Retailer 5
-
$4,943 NZD
View
A
Retailer 6
-
$5,236 NZD
View
A
Retailer 7
-
$5,448 NZD
View
Retailer 8
-
$5,519 NZD
View
Price last confirmed 27 days ago
A
Retailer 9
-
$5,519 NZD
View
A
Retailer 10
-
$5,711 NZD
View
B+
Retailer 11
-
$5,732 NZD
View
Retailer 12
-
$5,734 NZD
View
Price last confirmed 28 days ago
B+
Retailer 13
-
$5,773 NZD
View
B+
Retailer 14
-
$6,058 NZD
View
B+
Retailer 15
-
$6,369 NZD
View
B
Retailer 16
-
$9,230 NZD
View
Most Expensive
B
NZ Jewellers
0feb3286-369f-41d0-b5be-f046f78a9533 · Nov 3
$9,617 NZD
$5,409 USD
View
16 more retailers have this diamond
Prices start from $4,145 NZDSave up to $5,473 NZD

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
$4,145 NZD