Marquise|Lab Grown|IGI

1.19ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG836621086

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836621086

Diamond specifications and retailer prices

From £249 GBP
$333 USD
As of October 30, 2026
Save £1,632 GBP (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,881 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.19ct lab-grown marquise diamond

This 1.19ct 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 LG836621086 or 836621086. Listed at 19 retailers as of October 30, 2026, with prices from £249 to £1,881, a £1,632 spread on the same certified stone. Brilliant Earth lists it at £1,881. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.19
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621086
Dimensions11.26 × 5.46 × 3.43 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.26 mm5.46 mm1.19 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621086
Side View
Table 56.0%Crown 32.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.8%

Caratlytics Score

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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: £1,881 GBP|Low: £278 GBP|High: £1,940 GBP|Avg: £817 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 30, 2026
Retailer 5£278 GBP
Retailer 16£308 GBP
Retailer 11£422 GBP
Retailer 4£499 GBP
Retailer 12£519 GBP
Retailer 10£530 GBP
Retailer 2£553 GBP
Retailer 6£591 GBP
Retailer 14£766 GBP
Retailer 3£992 GBP
Retailer 8£1,011 GBP
Retailer 7£1,024 GBP
Retailer 15£1,147 GBP
Retailer 9£1,244 GBP
Retailer 13£1,690 GBP
Brilliant Earth£1,881 GBP

40 data points across 16 retailers

19 retailers£249 GBP to £1,881 GBP

A
Cheapest Retailer
-
£249 GBP
$333 USD
A
Retailer 2
-
£278 GBP
$373 USD
View
Final sale: no returns
A
Retailer 3
-
£289 GBP
$387 USD
View
A
Retailer 4
-
£308 GBP
$413 USD
View
A
Retailer 5
-
£308 GBP
$413 USD
View
A
Retailer 6
-
£422 GBP
$565 USD
View
A
Retailer 7
-
£499 GBP
$668 USD
View
A
Retailer 8
-
£519 GBP
€662 EUR
View
A
Retailer 9
-
£530 GBP
ZAR 11,476 ZAR
View
A
Retailer 10
-
£553 GBP
View
B+
Retailer 11
-
£591 GBP
$792 USD
View
B+
Retailer 12
-
£766 GBP
$1,026 USD
View
B
Retailer 13
-
£992 GBP
$1,329 USD
View
B+
Retailer 14
-
£1,011 GBP
SGD 1,831 SGD
View
B+
Retailer 15
-
£1,024 GBP
$1,373 USD
View
B
Retailer 16
-
£1,147 GBP
$1,537 USD
View
B+
Retailer 17
-
£1,244 GBP
View
B
Retailer 18
-
£1,690 GBP
$2,265 USD
View
Most Expensive
B
Brilliant Earth
21590159A · Oct 30
£1,881 GBP
$2,520 USD
View
18 more retailers have this diamond
Prices start from £249 GBPSave up to £1,632 GBP

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
1.19ct Marquise
£249 GBP