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Marquise|Natural|IGI

1.51ct E SI2 Marquise Natural Diamond

VG • E/SI2 • IGI 830653179

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 830653179

Diamond specifications and retailer prices

From €5,262 EUR
SGD 7,976 SGD
As of October 31, 2026
Save €4,067 EUR (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €9,330 EUR at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 830653179. Listed at 8 retailers as of October 27, 2026, with prices from €5,262 to €9,330, a €4,067 spread on the same certified stone. Wholesale Diamonds Direct lists it at €9,330. 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
E
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle38.1°
OriginNatural
Grading LabIGI
CertificateIGI 830653179
Dimensions12.37 × 5.77 × 3.45 mm
L/W Ratio2.14
Girdle conditionFaceted
Top View
12.37 mm5.77 mm1.51 ctE / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 830653179
Side View
Table 60.0%Crown 39.7°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 59.8%

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: Oct 31
Current: €6,421 EUR|Low: €5,262 EUR|High: €9,330 EUR|Avg: €6,578 EUR|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 31, 2026
Retailer 3€5,262 EUR
Retailer 2€5,345 EUR
Retailer 5€5,350 EUR
Retailer 4€5,471 EUR
Retailer 7€6,362 EUR
Retailer 1€6,421 EUR
Retailer 6€8,300 EUR
Wholesale Diamonds Direct€9,330 EUR

16 data points across 8 retailers

8 retailers€5,262 EUR to €9,330 EUR

A
Cheapest Retailer
-
€5,262 EUR
SGD 7,976 SGD
Retailer 2
-
€5,345 EUR
$5,995 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
€5,350 EUR
$6,000 USD
View
A
Retailer 4
-
€5,471 EUR
$6,136 USD
View
A
Retailer 5
-
€6,362 EUR
$7,135 USD
View
A
Retailer 6
-
€6,421 EUR
View
B+
Retailer 7
-
€8,300 EUR
$9,309 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
611240292 · Oct 27
€9,330 EUR
$10,464 USD
View
7 more retailers have this diamond
Prices start from €5,262 EURSave up to €4,067 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
1.51ct Marquise
€5,262 EUR