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Marquise|Natural|GIA

1.00ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 3545350624

Certificate GIA 3545350624

Diamond specifications and retailer prices

From €2,594 EUR
As of November 4, 2026
Save €3,502 EUR (57%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €6,097 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 E 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 3545350624. Listed at 27 retailers as of November 4, 2026, with prices from €2,594 to €6,097, a €3,502 spread on the same certified stone. NZ Jewellers lists it at €6,097. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.75°
Pavilion angle41.44°
OriginNatural
Grading LabGIA
CertificateGIA 3545350624
Dimensions10.02 × 5.25 × 3.30 mm
L/W Ratio1.91
Top View
10.02 mm5.25 mm1.00 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3545350624
Side View
Table 60.0%Crown 34.75°Girdle: MED-THKPavilion 41.44°Culet: NoneDepth 62.8%

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 4
Current: €3,839 EUR|Low: €2,299 EUR|High: €5,923 EUR|Avg: €3,562 EUR|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6€2,594 EUR
Retailer 2€2,707 EUR
Retailer 8€2,758 EUR
Retailer 9€2,926 EUR
Retailer 3€3,171 EUR
Retailer 11€3,292 EUR
Retailer 4€3,524 EUR
Retailer 10€3,748 EUR
Retailer 1€3,839 EUR
Retailer 5€4,271 EUR
Retailer 7€5,853 EUR

46 data points across 11 retailers

27 retailers€2,594 EUR to €6,097 EUR

A
Cheapest Retailer
-
€2,594 EUR
A
Retailer 2
-
€2,689 EUR
View
A
Retailer 3
-
€2,707 EUR
View
A
Retailer 4
-
€2,757 EUR
View
A
Retailer 5
-
€2,758 EUR
View
A
Retailer 6
-
€2,815 EUR
View
A
Retailer 7
-
€2,910 EUR
View
B+
Retailer 8
-
€2,926 EUR
View
Final sale: no returns
B+
Retailer 9
-
€3,047 EUR
View
Retailer 10
-
€3,171 EUR
View
Price last confirmed 8 days ago
B+
Retailer 11
-
€3,171 EUR
View
B+
Retailer 12
-
€3,292 EUR
View
Retailer 13
-
€3,330 EUR
View
Price last confirmed 14 days ago
B+
Retailer 14
-
€3,398 EUR
View
B+
Retailer 15
-
€3,448 EUR
View
B+
Retailer 16
-
€3,524 EUR
View
B+
Retailer 17
-
€3,528 EUR
View
B+
Retailer 18
-
€3,528 EUR
View
B+
Retailer 19
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€3,644 EUR
View
B+
Retailer 20
-
€3,658 EUR
View
Retailer 21
-
€3,748 EUR
View
Price last confirmed 29 days ago
B+
Retailer 22
-
€3,753 EUR
View
B+
Retailer 23
-
€3,839 EUR
View
B+
Retailer 24
-
€4,271 EUR
View
B
Retailer 25
-
€5,057 EUR
View
B
Retailer 26
-
€5,853 EUR
View
Most Expensive
B
NZ Jewellers
e5088513-1b1a-4e49-8f0d-b3674c8ddcc2 · Nov 5
€6,097 EUR
$6,843 USD
View
26 more retailers have this diamond
Prices start from €2,594 EURSave up to €3,502 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
€2,594 EUR