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Marquise|Lab Grown|IGI

1.05ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG819621009

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819621009

Diamond specifications and retailer prices

From €228 EUR
$255 USD
As of October 30, 2026
Save €1,410 EUR (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,638 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG819621009 or 819621009. Listed at 20 retailers as of October 28, 2026, with prices from €228 to €1,638, a €1,410 spread on the same certified stone. Brilliant Earth lists it at €1,638. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819621009
Dimensions10.44 × 5.25 × 3.33 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.44 mm5.25 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819621009
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.4%

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: €1,638 EUR|Low: €218 EUR|High: €1,638 EUR|Avg: €579 EUR|+1.7%
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
October 31, 2026
Retailer 13€228 EUR
Retailer 12€254 EUR
Retailer 3€283 EUR
Retailer 4€392 EUR
Retailer 10€425 EUR
Retailer 6€477 EUR
Retailer 9€486 EUR
Retailer 2€535 EUR
Retailer 5€569 EUR
Retailer 8€688 EUR
Retailer 11€738 EUR
Retailer 7€1,139 EUR
Brilliant Earth€1,638 EUR

43 data points across 13 retailers

20 retailers€228 EUR to €1,638 EUR

A
Cheapest Retailer
-
€228 EUR
$255 USD
A
Retailer 2
-
€254 EUR
$284 USD
View
Final sale: no returns
A
Retailer 3
-
€264 EUR
$295 USD
View
A
Retailer 4
-
€283 EUR
$316 USD
View
A
Retailer 5
-
€283 EUR
$316 USD
View
A
Retailer 6
-
€392 EUR
$438 USD
View
A
Retailer 7
-
€425 EUR
$475 USD
View
A
Retailer 8
-
€477 EUR
View
A
Retailer 9
-
€486 EUR
ZAR 8,766 ZAR
View
A
Retailer 10
-
€535 EUR
£470 GBP
View
A
Retailer 11
-
€554 EUR
$619 USD
View
A
Retailer 12
-
€569 EUR
$636 USD
View
B+
Retailer 13
-
€688 EUR
A$1,182 AUD
View
B+
Retailer 14
-
€738 EUR
$824 USD
View
B+
Retailer 15
-
€781 EUR
SGD 1,179 SGD
View
Retailer 16
-
€868 EUR
$970 USD
View
Price last confirmed 16 days ago
B+
Retailer 17
-
€909 EUR
$1,015 USD
View
B+
Retailer 18
-
€955 EUR
$1,067 USD
View
B+
Retailer 19
-
€1,139 EUR
£1,002 GBP
View
Most Expensive
B
Brilliant Earth
20714959A · Oct 28
€1,638 EUR
$1,830 USD
View
19 more retailers have this diamond
Prices start from €228 EURSave up to €1,410 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
1.05ct Marquise
€228 EUR