Marquise|Lab Grown|IGI

1.01ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG665406307

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG665406307

Diamond specifications and retailer prices

From €218 EUR
$244 USD
As of October 30, 2026
Save €975 EUR (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,557 EUR at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 1.01ct lab-grown marquise diamond

This 1.01ct 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 LG665406307 or 665406307. Listed at 22 retailers as of October 30, 2026, with a 446% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665406307
Dimensions10.40 × 5.23 × 3.29 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.40 mm5.23 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665406307
Side View
Table 60.0%Crown 36.5°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 62.9%

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: €1,557 EUR|Low: €208 EUR|High: €1,557 EUR|Avg: €642 EUR
Brilliant Earth
Retailer 2
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Retailer 20
November 1, 2026
Retailer 3€218 EUR
Retailer 12€253 EUR
Retailer 7€270 EUR
Retailer 10€270 EUR
Retailer 2€286 EUR
Retailer 8€455 EUR
Retailer 16€465 EUR
Retailer 5€476 EUR
Retailer 18€483 EUR
Retailer 13€513 EUR
Retailer 20€516 EUR
Retailer 14€540 EUR
Retailer 17€660 EUR
Retailer 6€714 EUR
Retailer 4€869 EUR
Retailer 11€916 EUR
Retailer 15€934 EUR
Retailer 19€1,084 EUR
Retailer 9€1,193 EUR
Brilliant Earth€1,557 EUR

32 data points across 20 retailers

22 retailers€218 EUR to €1,193 EUR

A
Cheapest Retailer
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€218 EUR
$244 USD
A
Retailer 2
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€251 EUR
$280 USD
View
Final sale: no returns
A
Retailer 3
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€253 EUR
$283 USD
View
A
Retailer 4
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€270 EUR
$302 USD
View
A
Retailer 5
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€270 EUR
$302 USD
View
A
Retailer 6
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€286 EUR
£252 GBP
View
A
Retailer 7
-
€455 EUR
$508 USD
View
A
Retailer 8
-
€465 EUR
ZAR 8,385 ZAR
View
A
Retailer 9
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€476 EUR
$532 USD
View
A
Retailer 10
-
€483 EUR
View
A
Retailer 11
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€513 EUR
£451 GBP
View
A
Retailer 12
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€516 EUR
$576 USD
View
A
Retailer 13
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€540 EUR
A$928 AUD
View
B+
Retailer 14
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€660 EUR
A$1,134 AUD
View
B+
Retailer 15
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€714 EUR
$798 USD
View
B+
Retailer 16
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€869 EUR
$971 USD
View
B+
Retailer 17
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€916 EUR
$1,023 USD
View
B+
Retailer 18
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€934 EUR
A$1,606 AUD
View
B
Retailer 19
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€990 EUR
$1,106 USD
View
B+
Retailer 20
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€1,084 EUR
£954 GBP
View
B
Retailer 21
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€1,193 EUR
$1,333 USD
View
Most Expensive
Brilliant Earth
14264558A · Oct 23
€1,557 EUR
$1,740 USD
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from €218 EURSave up to €975 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
1.01ct Marquise
€218 EUR