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Marquise|Natural|IGI

1.20ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 835613875

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 835613875

Diamond specifications and retailer prices

From €2,305 EUR
As of November 6, 2026
Save €3,084 EUR (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €5,389 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct 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 835613875. Listed at 18 retailers as of November 5, 2026, with prices from €2,305 to €5,389, a €3,084 spread on the same certified stone. NZ Jewellers lists it at €5,389. 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

1.20
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle36.8°
OriginNatural
Grading LabIGI
CertificateIGI 835613875
Dimensions10.43 × 5.51 × 3.46 mm
L/W Ratio1.89
Girdle conditionFaceted
Top View
10.43 mm5.51 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 835613875
Side View
Table 57.0%Crown 35.9°Girdle: STK-VTKPavilion 36.8°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 6
Current: €5,389 EUR|Low: €2,305 EUR|High: €5,448 EUR|Avg: €3,375 EUR|-1.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 7, 2026
Retailer 12€2,305 EUR
Retailer 6€2,745 EUR
Retailer 9€2,915 EUR
Retailer 4€2,960 EUR
Retailer 16€2,983 EUR
Retailer 13€3,000 EUR
Retailer 10€3,093 EUR
Retailer 18€3,093 EUR
Retailer 3€3,212 EUR
Retailer 17€3,223 EUR
Retailer 11€3,259 EUR
Retailer 5€3,274 EUR
Retailer 8€3,386 EUR
Retailer 14€3,390 EUR
Retailer 7€3,569 EUR
Retailer 15€3,775 EUR
Retailer 2€5,145 EUR
NZ Jewellers€5,389 EUR

20 data points across 18 retailers

18 retailers€2,305 EUR to €5,389 EUR

A
Cheapest Retailer
-
€2,305 EUR
B+
Retailer 2
-
€2,745 EUR
View
B+
Retailer 3
-
€2,915 EUR
View
B+
Retailer 4
-
€2,960 EUR
View
B+
Retailer 5
-
€2,983 EUR
View
B+
Retailer 6
-
€3,000 EUR
View
Retailer 7
-
€3,093 EUR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
€3,093 EUR
View
B+
Retailer 9
-
€3,212 EUR
View
B+
Retailer 10
-
€3,223 EUR
View
B+
Retailer 11
-
€3,259 EUR
View
B+
Retailer 12
-
€3,274 EUR
View
B+
Retailer 13
-
€3,386 EUR
View
B+
Retailer 14
-
€3,390 EUR
View
B
Retailer 15
-
€3,569 EUR
View
B
Retailer 16
-
€3,775 EUR
View
B
Retailer 17
-
€5,145 EUR
View
Most Expensive
B
NZ Jewellers
8768dbb9-f8f5-49af-beaf-a7d36c813bfe · Nov 5
€5,389 EUR
$6,017 USD
View
17 more retailers have this diamond
Prices start from €2,305 EURSave up to €3,084 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
1.20ct Marquise
€2,305 EUR