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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 €2,164 EUR
As of November 1, 2026
Save €2,826 EUR (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,990 EUR 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 €2,164 to €4,990, a €2,826 spread on the same certified stone. NZ Jewellers lists it at €4,990. 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: €4,990 EUR|Low: €2,164 EUR|High: €5,011 EUR|Avg: €3,317 EUR|-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€2,164 EUR
Retailer 11€2,255 EUR
Retailer 12€2,534 EUR
Retailer 5€2,642 EUR
Retailer 9€2,827 EUR
Retailer 13€2,864 EUR
Retailer 8€2,877 EUR
Retailer 2€2,963 EUR
Retailer 14€2,974 EUR
Retailer 4€2,992 EUR
Retailer 16€3,077 EUR
Retailer 3€3,304 EUR
Retailer 10€3,339 EUR
Retailer 7€4,765 EUR
Retailer 15€4,789 EUR
NZ Jewellers€4,990 EUR

23 data points across 16 retailers

18 retailers€2,164 EUR to €4,990 EUR

A
Cheapest Retailer
-
€2,164 EUR
A
Retailer 2
-
€2,255 EUR
View
A
Retailer 3
-
€2,534 EUR
View
A
Retailer 4
-
€2,642 EUR
View
Final sale: no returns
A
Retailer 5
-
€2,672 EUR
View
A
Retailer 6
-
€2,827 EUR
View
A
Retailer 7
-
€2,864 EUR
View
A
Retailer 8
-
€2,877 EUR
View
A
Retailer 9
-
€2,963 EUR
View
A
Retailer 10
-
€2,974 EUR
View
B+
Retailer 11
-
€2,992 EUR
View
Retailer 12
-
€3,015 EUR
View
Price last confirmed 8 days ago
B+
Retailer 13
-
€3,077 EUR
View
B+
Retailer 14
-
€3,304 EUR
View
B+
Retailer 15
-
€3,339 EUR
View
B
Retailer 16
-
€4,765 EUR
View
B
Retailer 17
-
€4,789 EUR
View
Most Expensive
B
NZ Jewellers
5d2f3720-65a6-467a-852d-410bb45f6b80 · Nov 3
€4,990 EUR
$5,578 USD
View
17 more retailers have this diamond
Prices start from €2,164 EURSave up to €2,826 EUR

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
€2,164 EUR