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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 €217 EUR
$242 USD
As of October 30, 2026
Save €1,439 EUR (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,656 EUR at Brilliant Earth · As of October 30, 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 19 retailers as of October 30, 2026, with prices from €217 to €1,656, a €1,439 spread on the same certified stone. Brilliant Earth lists it at €1,656. 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
Color
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

How it works →
A
Excellent
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: Oct 30
Current: €1,656 EUR|Low: €208 EUR|High: €1,772 EUR|Avg: €638 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
Retailer 17
Retailer 18
October 31, 2026
Retailer 3€217 EUR
Retailer 17€242 EUR
Retailer 4€269 EUR
Retailer 8€269 EUR
Retailer 11€285 EUR
Retailer 16€363 EUR
Retailer 13€461 EUR
Retailer 14€483 EUR
Retailer 2€505 EUR
Retailer 7€545 EUR
Retailer 6€585 EUR
Retailer 9€724 EUR
Retailer 5€863 EUR
Retailer 15€866 EUR
Retailer 10€910 EUR
Retailer 12€1,082 EUR
Retailer 18€1,188 EUR
Brilliant Earth€1,656 EUR

37 data points across 18 retailers

19 retailers€217 EUR to €1,656 EUR

A
Cheapest Retailer
-
€217 EUR
$242 USD
A
Retailer 2
-
€242 EUR
$270 USD
View
Final sale: no returns
A
Retailer 3
-
€252 EUR
$281 USD
View
A
Retailer 4
-
€269 EUR
$300 USD
View
A
Retailer 5
-
€269 EUR
$300 USD
View
A
Retailer 6
-
€285 EUR
£251 GBP
View
A
Retailer 7
-
€363 EUR
$405 USD
View
A
Retailer 8
-
€461 EUR
ZAR 8,327 ZAR
View
A
Retailer 9
-
€483 EUR
View
A
Retailer 10
-
€505 EUR
£444 GBP
View
A
Retailer 11
-
€545 EUR
$609 USD
View
B+
Retailer 12
-
€585 EUR
$654 USD
View
B+
Retailer 13
-
€724 EUR
SGD 1,093 SGD
View
B+
Retailer 14
-
€863 EUR
$964 USD
View
B+
Retailer 15
-
€866 EUR
$968 USD
View
B+
Retailer 16
-
€910 EUR
$1,016 USD
View
B+
Retailer 17
-
€1,082 EUR
£952 GBP
View
B
Retailer 18
-
€1,188 EUR
$1,327 USD
View
Most Expensive
B
Brilliant Earth
20608667A · Oct 30
€1,656 EUR
$1,850 USD
View
18 more retailers have this diamond
Prices start from €217 EURSave up to €1,439 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
€217 EUR