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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 2556942302

Certificate GIA 2556942302

Diamond specifications and retailer prices

From $4,301 NZD
As of November 1, 2026
Save $5,617 NZD (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,918 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 2556942302. Listed at 18 retailers as of November 1, 2026, with prices from $4,301 to $9,918, a $5,617 spread on the same certified stone. NZ Jewellers lists it at $9,918. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556942302
Dimensions9.82 × 5.16 × 3.29 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Natural
Top View
9.82 mm5.16 mm1.00 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556942302
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.8%

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 1
Current: $9,918 NZD|Low: $4,301 NZD|High: $9,960 NZD|Avg: $6,593 NZD|-0.4%
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 6$4,301 NZD
Retailer 11$4,482 NZD
Retailer 12$5,037 NZD
Retailer 5$5,252 NZD
Retailer 9$5,618 NZD
Retailer 13$5,693 NZD
Retailer 8$5,718 NZD
Retailer 2$5,889 NZD
Retailer 14$5,912 NZD
Retailer 4$5,947 NZD
Retailer 16$6,116 NZD
Retailer 3$6,568 NZD
Retailer 10$6,637 NZD
Retailer 7$9,471 NZD
Retailer 15$9,519 NZD
NZ Jewellers$9,918 NZD

23 data points across 16 retailers

18 retailers$4,301 NZD to $9,918 NZD

A
Cheapest Retailer
-
$4,301 NZD
A
Retailer 2
-
$4,482 NZD
View
A
Retailer 3
-
$5,037 NZD
View
A
Retailer 4
-
$5,252 NZD
View
Final sale: no returns
A
Retailer 5
-
$5,311 NZD
View
A
Retailer 6
-
$5,618 NZD
View
A
Retailer 7
-
$5,693 NZD
View
A
Retailer 8
-
$5,718 NZD
View
A
Retailer 9
-
$5,889 NZD
View
A
Retailer 10
-
$5,912 NZD
View
B+
Retailer 11
-
$5,947 NZD
View
Retailer 12
-
$5,992 NZD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$6,116 NZD
View
B+
Retailer 14
-
$6,568 NZD
View
B+
Retailer 15
-
$6,637 NZD
View
B
Retailer 16
-
$9,471 NZD
View
B
Retailer 17
-
$9,519 NZD
View
Most Expensive
B
NZ Jewellers
5d2f3720-65a6-467a-852d-410bb45f6b80 · Nov 3
$9,918 NZD
$5,578 USD
View
17 more retailers have this diamond
Prices start from $4,301 NZDSave up to $5,617 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
$4,301 NZD