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Marquise|Lab Grown|IGI

1.75ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG591389369

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG591389369

Diamond specifications and retailer prices

From €947 EUR
$1,058 USD
As of October 30, 2026
Save €2,544 EUR (73%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €3,491 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.75ct lab-grown marquise diamond

This 1.75ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG591389369 or 591389369. Listed at 2 retailers as of October 30, 2026, with prices from €947 to €3,491, a €2,544 spread on the same certified stone. Brilliant Earth lists it at €3,491. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.75
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591389369
Dimensions12.61 × 6.40 × 3.93 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.61 mm6.40 mm1.75 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591389369
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40°Culet: NoneDepth 61.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €3,491 EUR|Low: €751 EUR|High: €4,493 EUR|Avg: €2,368 EUR|+0.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
September 27, 2026
Retailer 2€947 EUR
Retailer 8€1,262 EUR
Retailer 9€1,571 EUR
Retailer 11€1,579 EUR
Retailer 10€1,625 EUR
Retailer 6€1,652 EUR
Retailer 4€1,957 EUR
Retailer 3€2,168 EUR
Retailer 5€3,316 EUR
Retailer 12€3,433 EUR
Brilliant Earth€3,491 EUR
Retailer 7€3,570 EUR

53 data points across 12 retailers

2 retailers€947 EUR to €3,491 EUR

A
Cheapest Retailer
-
€947 EUR
$1,058 USD
Final sale: no returns
Most Expensive
B
Brilliant Earth
18970879A · Oct 30
€3,491 EUR
$3,900 USD
View
1 more retailer has this diamond
Prices start from €947 EURSave up to €2,544 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
1.75ct Marquise
€947 EUR