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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG689562578

Shape and cutting style on the report: Marquise modified brilliant

Certificate IGI LG689562578

Diamond specifications and retailer prices

From €227 EUR
$254 USD
As of October 30, 2026
Save €1,106 EUR (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,334 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 LG689562578 or 689562578. Listed at 22 retailers as of October 30, 2026, with prices from €227 to €1,334, a €1,106 spread on the same certified stone. Brilliant Earth lists it at €1,334. 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
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562578
Dimensions9.73 × 5.08 × 3.34 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm5.08 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562578
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 32.2°Culet: NoneDepth 65.7%

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 30
Current: €1,334 EUR|Low: €227 EUR|High: €1,647 EUR|Avg: €703 EUR|-19.0%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 21
October 31, 2026
Retailer 4€227 EUR
Retailer 8€254 EUR
Retailer 12€264 EUR
Retailer 19€282 EUR
Retailer 21€282 EUR
Retailer 10€380 EUR
Retailer 3€425 EUR
Retailer 18€483 EUR
Retailer 17€484 EUR
Retailer 5€502 EUR
Retailer 2€537 EUR
Retailer 6€589 EUR
Retailer 13€670 EUR
Retailer 16€686 EUR
Retailer 11€829 EUR
Retailer 20€907 EUR
Retailer 7€952 EUR
Retailer 14€989 EUR
Retailer 15€1,136 EUR
Retailer 9€1,223 EUR
Brilliant Earth€1,334 EUR

28 data points across 21 retailers

22 retailers€227 EUR to €1,334 EUR

A
Cheapest Retailer
-
€227 EUR
$254 USD
A
Retailer 2
-
€254 EUR
$284 USD
View
Final sale: no returns
A
Retailer 3
-
€264 EUR
$295 USD
View
A
Retailer 4
-
€282 EUR
$315 USD
View
A
Retailer 5
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€282 EUR
$315 USD
View
A
Retailer 6
-
€380 EUR
$425 USD
View
A
Retailer 7
-
€425 EUR
$475 USD
View
A
Retailer 8
-
€483 EUR
View
A
Retailer 9
-
€484 EUR
ZAR 8,742 ZAR
View
A
Retailer 10
-
€502 EUR
$561 USD
View
A
Retailer 11
-
€537 EUR
£473 GBP
View
A
Retailer 12
-
€589 EUR
$658 USD
View
B+
Retailer 13
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€670 EUR
$749 USD
View
B+
Retailer 14
-
€686 EUR
A$1,179 AUD
View
B+
Retailer 15
-
€712 EUR
$796 USD
View
B+
Retailer 16
-
€829 EUR
SGD 1,251 SGD
View
B+
Retailer 17
-
€907 EUR
$1,013 USD
View
B+
Retailer 18
-
€952 EUR
$1,064 USD
View
B+
Retailer 19
-
€989 EUR
$1,105 USD
View
B+
Retailer 20
-
€1,136 EUR
£999 GBP
View
B
Retailer 21
-
€1,223 EUR
$1,366 USD
View
Most Expensive
B
Brilliant Earth
15473140A · Oct 30
€1,334 EUR
$1,490 USD
View
21 more retailers have this diamond
Prices start from €227 EURSave up to €1,106 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
€227 EUR