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Marquise|Natural|IGI

1.00ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 843628745

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 843628745

Diamond specifications and retailer prices

From €1,333 EUR
$1,495 USD
As of November 2, 2026
Save €2,191 EUR (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,524 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 843628745. Listed at 13 retailers as of October 30, 2026, with prices from €1,333 to €3,524, a €2,191 spread on the same certified stone. NZ Jewellers lists it at €3,524. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle28.5°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 843628745
Dimensions10.75 × 5.25 × 2.98 mm
L/W Ratio2.05
Girdle conditionFaceted
Culet sizeMedium
Top View
10.75 mm5.25 mm1.00 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 843628745
Side View
Table 63.0%Crown 28.5°Girdle: MED-THKPavilion 41.2°Culet: MediumDepth 56.8%

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 2
Current: €3,524 EUR|Low: €1,333 EUR|High: €3,639 EUR|Avg: €1,753 EUR|-3.2%
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
November 2, 2026
Retailer 3€1,333 EUR
Retailer 13€1,339 EUR
Retailer 7€1,342 EUR
Retailer 5€1,444 EUR
Retailer 12€1,444 EUR
Retailer 11€1,474 EUR
Retailer 4€1,511 EUR
Retailer 2€1,632 EUR
Retailer 10€1,667 EUR
Retailer 8€1,764 EUR
Retailer 9€1,972 EUR
Retailer 6€2,531 EUR
NZ Jewellers€3,524 EUR

13 data points across 13 retailers

13 retailers€1,333 EUR to €3,524 EUR

A
Cheapest Retailer
-
€1,333 EUR
$1,495 USD
Final sale: no returns
A
Retailer 2
-
€1,339 EUR
$1,502 USD
View
A
Retailer 3
-
€1,342 EUR
$1,505 USD
View
A
Retailer 4
-
€1,444 EUR
$1,620 USD
View
A
Retailer 5
-
€1,444 EUR
$1,620 USD
View
A
Retailer 6
-
€1,474 EUR
$1,653 USD
View
A
Retailer 7
-
€1,511 EUR
$1,695 USD
View
A
Retailer 8
-
€1,632 EUR
£1,442 GBP
View
B+
Retailer 9
-
€1,667 EUR
$1,870 USD
View
A
Retailer 10
-
€1,764 EUR
ZAR 31,955 ZAR
View
A
Retailer 11
-
€1,972 EUR
View
B+
Retailer 12
-
€2,531 EUR
£2,235 GBP
View
Most Expensive
B
NZ Jewellers
dd248388-ee08-40d2-9639-c78f6ee0dd9a · Oct 30
€3,524 EUR
$3,952 USD
View
12 more retailers have this diamond
Prices start from €1,333 EURSave up to €2,191 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
€1,333 EUR