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Marquise|Natural|GIA

1.00ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2556141137

Certificate GIA 2556141137

Diamond specifications and retailer prices

From €2,158 EUR
As of November 6, 2026
Save €2,729 EUR (56%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,887 EUR 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 F 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 2556141137. Listed at 6 retailers as of November 5, 2026, with prices from €2,158 to €4,887, a €2,729 spread on the same certified stone. NZ Jewellers lists it at €4,887. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2556141137
Dimensions9.66 × 5.10 × 3.25 mm
L/W Ratio1.89
Top View
9.66 mm5.10 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2556141137
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.7%

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 6
Current: €4,887 EUR|Low: €1,922 EUR|High: €5,460 EUR|Avg: €3,291 EUR|+3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5€2,158 EUR
Retailer 4€2,320 EUR
Retailer 6€2,707 EUR
Retailer 2€2,903 EUR
Retailer 3€4,084 EUR
NZ Jewellers€4,887 EUR

30 data points across 6 retailers

6 retailers€2,158 EUR to €4,887 EUR

A
Cheapest Retailer
-
€2,158 EUR
Final sale: no returns
A
Retailer 2
-
€2,320 EUR
View
B+
Retailer 3
-
€2,707 EUR
View
B+
Retailer 4
-
€2,903 EUR
View
B
Retailer 5
-
€4,084 EUR
View
Most Expensive
B
NZ Jewellers
9c0abb12-1f0c-4692-a5d4-9ca803abfd6c · Nov 5
€4,887 EUR
$5,456 USD
View
5 more retailers have this diamond
Prices start from €2,158 EURSave up to €2,729 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
€2,158 EUR