Marquise|Natural|IGI

1.20ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 712558468

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 712558468

Diamond specifications and retailer prices

From €2,326 EUR
As of November 5, 2026
Save €2,597 EUR (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €4,923 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 712558468. Listed at 15 retailers as of November 5, 2026, with prices from €2,326 to €4,923, a €2,597 spread on the same certified stone. NZ Jewellers lists it at €4,923. 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 angle41.8°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 712558468
Dimensions10.73 × 5.29 × 3.40 mm
L/W Ratio2.03
Girdle conditionFaceted
Top View
10.73 mm5.29 mm1.20 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 712558468
Side View
Table 60.0%Crown 41.8°Girdle: THK-VTKPavilion 39.1°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: €4,923 EUR|Low: €2,313 EUR|High: €4,923 EUR|Avg: €3,172 EUR
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
November 7, 2026
Retailer 10€2,326 EUR
Retailer 6€2,531 EUR
Retailer 13€2,535 EUR
Retailer 4€2,557 EUR
Retailer 3€2,649 EUR
Retailer 14€2,771 EUR
Retailer 7€2,826 EUR
Retailer 2€2,919 EUR
Retailer 15€2,934 EUR
Retailer 12€3,231 EUR
Retailer 5€3,261 EUR
Retailer 9€3,382 EUR
Retailer 8€4,183 EUR
Retailer 11€4,622 EUR
NZ Jewellers€4,923 EUR

13 data points across 15 retailers

15 retailers€2,326 EUR to €4,923 EUR

A
Cheapest Retailer
-
€2,326 EUR
B+
Retailer 2
-
€2,531 EUR
View
A
Retailer 3
-
€2,535 EUR
View
B+
Retailer 4
-
€2,557 EUR
View
Final sale: no returns
B+
Retailer 5
-
€2,649 EUR
View
Retailer 6
-
€2,771 EUR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€2,826 EUR
View
B+
Retailer 8
-
€2,919 EUR
View
B+
Retailer 9
-
€2,934 EUR
View
B+
Retailer 10
-
€3,231 EUR
View
B
Retailer 11
-
€3,261 EUR
View
B
Retailer 12
-
€3,382 EUR
View
B
Retailer 13
-
€4,183 EUR
View
B
Retailer 14
-
€4,622 EUR
View
Most Expensive
B
NZ Jewellers
7882e09e-f60e-485f-a5cf-6d3b55008840 · Nov 5
€4,923 EUR
$5,497 USD
View
14 more retailers have this diamond
Prices start from €2,326 EURSave up to €2,597 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
€2,326 EUR