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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG790671715

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790671715

Diamond specifications and retailer prices

From €215 EUR
As of November 4, 2026
Save €1,427 EUR (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,642 EUR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790671715 or 790671715. Listed at 20 retailers as of November 4, 2026, with prices from €215 to €1,642, a €1,427 spread on the same certified stone. Brilliant Earth lists it at €1,642. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle31.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790671715
Dimensions11.36 × 5.32 × 3.23 mm
L/W Ratio2.14
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.36 mm5.32 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG790671715
Side View
Table 57.0%Crown 31.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.7%

Caratlytics Score

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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 4
Current: €1,642 EUR|Low: €206 EUR|High: €1,757 EUR|Avg: €669 EUR|-6.6%
Brilliant Earth
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
Retailer 16
November 5, 2026
Retailer 4€215 EUR
Retailer 16€240 EUR
Retailer 5€266 EUR
Retailer 9€280 EUR
Retailer 15€359 EUR
Retailer 10€459 EUR
Retailer 12€478 EUR
Retailer 2€500 EUR
Retailer 8€541 EUR
Retailer 7€580 EUR
Retailer 6€856 EUR
Retailer 14€859 EUR
Retailer 13€1,052 EUR
Retailer 11€1,073 EUR
Retailer 3€1,178 EUR
Brilliant Earth€1,642 EUR

39 data points across 16 retailers

20 retailers€215 EUR to €1,642 EUR

A
Cheapest Retailer
-
€215 EUR
A
Retailer 2
-
€240 EUR
View
Final sale: no returns
A
Retailer 3
-
€249 EUR
View
Retailer 4
-
€266 EUR
View
Price last confirmed 11 days ago
A
Retailer 5
-
€266 EUR
View
A
Retailer 6
-
€280 EUR
View
A
Retailer 7
-
€359 EUR
View
A
Retailer 8
-
€459 EUR
View
Retailer 9
-
€478 EUR
View
Price last confirmed 11 days ago
A
Retailer 10
-
€500 EUR
View
A
Retailer 11
-
€541 EUR
View
B+
Retailer 12
-
€580 EUR
View
B+
Retailer 13
-
€717 EUR
View
B+
Retailer 14
-
€856 EUR
View
B+
Retailer 15
-
€859 EUR
View
B+
Retailer 16
-
€902 EUR
View
B
Retailer 17
-
€1,052 EUR
View
Retailer 18
-
€1,073 EUR
View
Price last confirmed 7 days ago
B
Retailer 19
-
€1,178 EUR
View
Most Expensive
B
Brilliant Earth
20608667A · Nov 4
€1,642 EUR
$1,850 USD
View
19 more retailers have this diamond
Prices start from €215 EURSave up to €1,427 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
1.09ct Marquise
€215 EUR