Marquise|Lab Grown|IGI

1.00ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG794631248

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG794631248

Diamond specifications and retailer prices

From €187 EUR
As of November 4, 2026
Save €1,685 EUR (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,890 EUR at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG794631248 or 794631248. Listed at 22 retailers as of November 4, 2026, with a 900% 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

1.00
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794631248
Dimensions10.61 × 5.11 × 3.23 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.61 mm5.11 mm1.00 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794631248
Side View
Table 61.0%Crown 32.8°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 63.2%

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: Nov 4
Current: €1,873 EUR|Low: €187 EUR|High: €1,910 EUR|Avg: €932 EUR|-0.9%
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
Retailer 19
Retailer 20
November 5, 2026
Retailer 3€187 EUR
Retailer 17€209 EUR
Retailer 14€217 EUR
Retailer 8€233 EUR
Retailer 4€400 EUR
Retailer 15€400 EUR
Retailer 13€424 EUR
Retailer 20€440 EUR
Retailer 19€493 EUR
Retailer 12€517 EUR
Retailer 9€643 EUR
Retailer 16€746 EUR
Retailer 18€749 EUR
Retailer 7€793 EUR
Retailer 6€833 EUR
Retailer 10€860 EUR
Retailer 2€927 EUR
Retailer 5€1,090 EUR
Retailer 11€1,722 EUR
Brilliant Earth€1,873 EUR

36 data points across 20 retailers

22 retailers€187 EUR to €1,873 EUR

A
Cheapest Retailer
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€187 EUR
A
Retailer 2
-
€209 EUR
View
Final sale: no returns
A
Retailer 3
-
€217 EUR
View
A
Retailer 4
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€233 EUR
View
A
Retailer 5
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€400 EUR
View
A
Retailer 6
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€400 EUR
View
A
Retailer 7
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€424 EUR
View
A
Retailer 8
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€440 EUR
View
A
Retailer 9
-
€493 EUR
View
Retailer 10
-
€517 EUR
View
Price last confirmed 20 days ago
Retailer 11
-
€643 EUR
View
Price last confirmed 7 days ago
B+
Retailer 12
-
€746 EUR
View
B+
Retailer 13
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€749 EUR
View
B+
Retailer 14
-
€793 EUR
View
B+
Retailer 15
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€833 EUR
View
Retailer 16
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€860 EUR
View
Price last confirmed 9 days ago
B+
Retailer 17
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€927 EUR
View
B+
Retailer 18
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€1,090 EUR
View
Retailer 19
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€1,262 EUR
View
Price last confirmed 10 days ago
B
Retailer 20
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€1,722 EUR
View
B
Retailer 21
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€1,873 EUR
View
Most Expensive
Brilliant Earth
20048413A · Oct 28
€1,890 EUR
$2,130 USD
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from €187 EURSave up to €1,685 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
1.00ct Marquise
€187 EUR