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Marquise|Natural|IGI

1.50ct L SI1 Marquise Natural Diamond

VG • L/SI1 • IGI 512234554

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 512234554

Diamond specifications and retailer prices

From €2,900 EUR
As of November 6, 2026
Save €1,189 EUR (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,089 EUR at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 512234554. Listed at 8 retailers as of November 5, 2026, with prices from €2,900 to €4,089, a €1,189 spread on the same certified stone. Cape Diamonds lists it at €4,089. 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

1.50
Carat
L
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
Crown angle45.4°
Pavilion angle30.3°
OriginNatural
Grading LabIGI
CertificateIGI 512234554
Dimensions10.58 × 6.21 × 3.32 mm
L/W Ratio1.70
Girdle conditionFaceted
Culet sizePointed
Top View
10.58 mm6.21 mm1.50 ctL / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateIGI 512234554
Side View
Table 66.0%Crown 45.4°Girdle: STK-VTKPavilion 30.3°Culet: NoneDepth 53.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: €4,089 EUR|Low: €2,443 EUR|High: €4,118 EUR|Avg: €3,252 EUR|+2.6%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 4€2,450 EUR
Retailer 5€2,900 EUR
Retailer 6€2,974 EUR
Retailer 2€3,076 EUR
Retailer 3€3,921 EUR
Cape Diamonds€4,089 EUR

42 data points across 6 retailers

8 retailers€2,900 EUR to €4,089 EUR

Retailer 1
-
€2,450 EUR
Price last confirmed 7 days ago
B
Retailer 2
-
€2,900 EUR
View
B
Retailer 3
-
€2,974 EUR
View
B
Retailer 4
-
€3,076 EUR
View
B
Retailer 5
-
€3,211 EUR
View
B
Retailer 6
-
€3,481 EUR
View
B
Retailer 7
-
€3,921 EUR
View
Most Expensive
B
Cape Diamonds
cert_512234554 · Nov 5
€4,089 EUR
ZAR 73,754 ZAR
View
7 more retailers have this diamond
Prices start from €2,900 EURSave up to €1,189 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
1.50ct Marquise
€2,900 EUR