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Marquise|Natural|IGI

0.91ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 815639079

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815639079

Diamond specifications and retailer prices

From €1,389 EUR
$1,558 USD
As of November 2, 2026
Save €2,039 EUR (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,428 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.91ct natural marquise diamond

This 0.91ct natural marquise sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815639079. Listed at 9 retailers as of October 30, 2026, with prices from €1,389 to €3,428, a €2,039 spread on the same certified stone. NZ Jewellers lists it at €3,428. 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

0.91
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38.7°
OriginNatural
Grading LabIGI
CertificateIGI 815639079
Dimensions10.19 × 4.86 × 3.02 mm
L/W Ratio2.10
Girdle conditionFaceted
Top View
10.19 mm4.86 mm0.91 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 815639079
Side View
Table 62.0%Crown 36.6°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 62.1%

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: €3,428 EUR|Low: €1,389 EUR|High: €3,503 EUR|Avg: €1,980 EUR|-2.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8€1,389 EUR
Retailer 7€1,405 EUR
Retailer 6€1,470 EUR
Retailer 9€1,535 EUR
Retailer 5€1,538 EUR
Retailer 2€1,867 EUR
Retailer 4€2,475 EUR
Retailer 3€2,713 EUR
NZ Jewellers€3,428 EUR

36 data points across 9 retailers

9 retailers€1,389 EUR to €3,428 EUR

A
Cheapest Retailer
-
€1,389 EUR
$1,558 USD
A
Retailer 2
-
€1,405 EUR
$1,576 USD
View
A
Retailer 3
-
€1,470 EUR
$1,649 USD
View
B+
Retailer 4
-
€1,535 EUR
$1,722 USD
View
B+
Retailer 5
-
€1,538 EUR
$1,725 USD
View
B+
Retailer 6
-
€1,867 EUR
View
B
Retailer 7
-
€2,475 EUR
£2,186 GBP
View
B
Retailer 8
-
€2,713 EUR
£2,396 GBP
View
Most Expensive
C
NZ Jewellers
7d0b2ad4-02c3-44da-a43d-a356d0377b47 · Oct 30
€3,428 EUR
$3,845 USD
View
8 more retailers have this diamond
Prices start from €1,389 EURSave up to €2,039 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
0.91ct Marquise
€1,389 EUR