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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG845607037

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845607037

Diamond specifications and retailer prices

From €201 EUR
As of November 4, 2026
Save €1,396 EUR (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,598 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 LG845607037 or 845607037. Listed at 18 retailers as of November 4, 2026, with prices from €201 to €1,598, a €1,396 spread on the same certified stone. Brilliant Earth lists it at €1,598. 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
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845607037
Dimensions11.30 × 5.19 × 3.22 mm
L/W Ratio2.18
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.30 mm5.19 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845607037
Side View
Table 62.0%Crown 38.1°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €1,101 EUR|Low: €201 EUR|High: €1,139 EUR|Avg: €589 EUR|-3.4%
Retailer 1
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
Retailer 17
November 5, 2026
Retailer 15€201 EUR
Retailer 17€225 EUR
Retailer 5€233 EUR
Retailer 10€249 EUR
Retailer 14€264 EUR
Retailer 4€337 EUR
Retailer 7€439 EUR
Retailer 11€462 EUR
Retailer 8€530 EUR
Retailer 9€577 EUR
Retailer 6€618 EUR
Retailer 2€803 EUR
Retailer 3€807 EUR
Retailer 16€849 EUR
Retailer 12€864 EUR
Retailer 13€998 EUR
Retailer 1€1,101 EUR

9 data points across 17 retailers

18 retailers€201 EUR to €1,598 EUR

A+
Cheapest Retailer
-
€201 EUR
A
Retailer 2
-
€225 EUR
View
Final sale: no returns
A
Retailer 3
-
€233 EUR
View
A
Retailer 4
-
€249 EUR
View
A
Retailer 5
-
€264 EUR
View
A
Retailer 6
-
€337 EUR
View
A
Retailer 7
-
€439 EUR
View
A
Retailer 8
-
€462 EUR
View
A
Retailer 9
-
€530 EUR
View
A
Retailer 10
-
€577 EUR
View
B+
Retailer 11
-
€618 EUR
View
B+
Retailer 12
-
€803 EUR
View
B+
Retailer 13
-
€807 EUR
View
B+
Retailer 14
-
€849 EUR
View
B+
Retailer 15
-
€864 EUR
View
B+
Retailer 16
-
€998 EUR
View
B+
Retailer 17
-
€1,101 EUR
View
Most Expensive
B
Brilliant Earth
22400591A · Nov 4
€1,598 EUR
$1,800 USD
View
17 more retailers have this diamond
Prices start from €201 EURSave up to €1,396 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
€201 EUR