Marquise|Natural|IGI

1.51ct I I1 Marquise Natural Diamond

VG • I/I1 • IGI 712581706

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 712581706

Diamond specifications and retailer prices

From €1,941 EUR
$2,177 USD
As of November 1, 2026
Save €2,553 EUR (57%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €4,494 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 712581706. Listed at 7 retailers as of October 30, 2026, with prices from €1,941 to €4,494, a €2,553 spread on the same certified stone. NZ Jewellers lists it at €4,494. 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

1.51
Carat
I
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.1°
OriginNatural
Grading LabIGI
CertificateIGI 712581706
Dimensions11.00 × 6.19 × 3.76 mm
L/W Ratio1.78
Girdle conditionFaceted
Culet sizePointed
Top View
11.00 mm6.19 mm1.51 ctI / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 712581706
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,494 EUR|Low: €1,688 EUR|High: €4,494 EUR|Avg: €2,517 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8€1,688 EUR
Retailer 7€1,941 EUR
Retailer 2€2,150 EUR
Retailer 5€2,150 EUR
Retailer 6€2,249 EUR
Retailer 3€2,480 EUR
Retailer 4€2,684 EUR
NZ Jewellers€4,494 EUR

24 data points across 8 retailers

7 retailers€1,941 EUR to €4,494 EUR

B+
Cheapest Retailer
-
€1,941 EUR
$2,177 USD
B+
Retailer 2
-
€2,150 EUR
$2,411 USD
View
B+
Retailer 3
-
€2,150 EUR
$2,411 USD
View
B+
Retailer 4
-
€2,249 EUR
$2,522 USD
View
B+
Retailer 5
-
€2,480 EUR
$2,782 USD
View
B+
Retailer 6
-
€2,684 EUR
View
Most Expensive
B+
NZ Jewellers
14daa5dc-e15a-47a9-a2d0-85f147491e8d · Oct 30
€4,494 EUR
$5,040 USD
View
6 more retailers have this diamond
Prices start from €1,941 EURSave up to €2,553 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.

B+
1.51ct Marquise
€1,941 EUR