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Marquise|Natural|GIA

1.00ct F SI1 Marquise Natural Diamond

ID • F/SI1 • GIA 6555941974

Certificate GIA 6555941974

Diamond specifications and retailer prices

From €1,918 EUR
As of November 4, 2026
Save €3,208 EUR (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €5,126 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 6555941974. Listed at 9 retailers as of November 4, 2026, with prices from €1,918 to €5,126, a €3,208 spread on the same certified stone. NZ Jewellers lists it at €5,126. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555941974
Dimensions9.33 × 5.21 × 3.38 mm
L/W Ratio1.79
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
9.33 mm5.21 mm1.00 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555941974
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.9%

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 4
Current: €5,126 EUR|Low: €1,918 EUR|High: €5,126 EUR|Avg: €2,564 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9€1,918 EUR
Retailer 10€2,200 EUR
Retailer 7€2,221 EUR
Retailer 8€2,323 EUR
Retailer 11€2,338 EUR
Retailer 3€2,365 EUR
Retailer 4€2,378 EUR
Retailer 5€2,562 EUR
Retailer 2€2,640 EUR
Retailer 6€2,992 EUR
NZ Jewellers€5,126 EUR

3 data points across 11 retailers

9 retailers€1,918 EUR to €5,126 EUR

A
Cheapest Retailer
-
€1,918 EUR
A
Retailer 2
-
€2,221 EUR
View
A
Retailer 3
-
€2,323 EUR
View
A
Retailer 4
-
€2,338 EUR
View
A
Retailer 5
-
€2,378 EUR
View
A
Retailer 6
-
€2,562 EUR
View
B+
Retailer 7
-
€2,640 EUR
View
B+
Retailer 8
-
€2,992 EUR
View
Most Expensive
B
NZ Jewellers
15e13424-0202-4e24-88c0-e94ad1dc42dd · Nov 5
€5,126 EUR
$5,723 USD
View
8 more retailers have this diamond
Prices start from €1,918 EURSave up to €3,208 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
€1,918 EUR