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Marquise|Natural|GIA

1.01ct I SI1 Marquise Natural Diamond

ID • I/SI1 • GIA 6555531473

Certificate GIA 6555531473

Diamond specifications and retailer prices

From €1,568 EUR
As of November 2, 2026
Save €2,098 EUR (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,595 EUR at NZ Jewellers · As of September 30, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555531473. Listed at 19 retailers as of November 2, 2026, with a 134% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555531473
Dimensions9.58 × 5.15 × 3.25 mm
L/W Ratio1.86
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
9.58 mm5.15 mm1.01 ctI / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6555531473
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.0%

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 2
Current: €2,273 EUR|Low: €1,568 EUR|High: €3,722 EUR|Avg: €2,205 EUR|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 4, 2026
Retailer 11€1,568 EUR
Retailer 7€1,652 EUR
Retailer 8€1,922 EUR
Retailer 13€1,931 EUR
Retailer 5€1,980 EUR
Retailer 3€2,022 EUR
Retailer 4€2,196 EUR
Retailer 12€2,217 EUR
Retailer 10€2,272 EUR
Retailer 1€2,273 EUR
Retailer 2€2,584 EUR
Retailer 6€2,601 EUR
Retailer 9€3,666 EUR

30 data points across 13 retailers

19 retailers€1,568 EUR to €3,666 EUR

A
Cheapest Retailer
-
€1,568 EUR
A
Retailer 2
-
€1,652 EUR
View
A
Retailer 3
-
€1,922 EUR
View
A
Retailer 4
-
€1,931 EUR
View
Final sale: no returns
A
Retailer 5
-
€1,980 EUR
View
A
Retailer 6
-
€2,022 EUR
View
A
Retailer 7
-
€2,063 EUR
View
Retailer 8
-
€2,196 EUR
View
Price last confirmed 8 days ago
Retailer 9
-
€2,198 EUR
View
Price last confirmed 34 days ago
B+
Retailer 10
-
€2,217 EUR
View
B+
Retailer 11
-
€2,272 EUR
View
A
Retailer 12
-
€2,273 EUR
View
Retailer 13
-
€2,300 EUR
View
Price last confirmed 34 days ago
Retailer 14
-
€2,536 EUR
View
Price last confirmed 36 days ago
B+
Retailer 15
-
€2,584 EUR
View
B+
Retailer 16
-
€2,601 EUR
View
Retailer 17
-
€2,716 EUR
View
Price last confirmed 31 days ago
B
Retailer 18
-
€3,666 EUR
View
Most Expensive
NZ Jewellers
4cf52cf1-aae3-445d-b80e-f3ee479d2298 · Sep 30
€4,595 EUR
$5,137 USD
View
Price last confirmed 34 days ago
18 more retailers have this diamond
Prices start from €1,568 EURSave up to €2,098 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
1.01ct Marquise
€1,568 EUR