Marquise|Lab Grown|IGI

1.06ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG783643185

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG783643185

Diamond specifications and retailer prices

From £166 GBP
$222 USD
As of October 30, 2026
Save £1,521 GBP (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,687 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.06ct lab-grown marquise diamond

This 1.06ct 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 LG783643185 or 783643185. Listed at 22 retailers as of October 28, 2026, with prices from £166 to £1,687, a £1,521 spread on the same certified stone. Brilliant Earth lists it at £1,687. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.06
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783643185
Dimensions11.16 × 5.32 × 3.22 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.16 mm5.32 mm1.06 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783643185
Side View
Table 57.0%Crown 32.6°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.5%

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: £1,373 GBP|Low: £166 GBP|High: £1,687 GBP|Avg: £824 GBP|-18.6%
Brilliant Earth
Retailer 2
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Retailer 20
October 31, 2026
Retailer 19£166 GBP
Retailer 13£188 GBP
Retailer 5£205 GBP
Retailer 18£352 GBP
Retailer 14£379 GBP
Retailer 17£381 GBP
Retailer 10£402 GBP
Retailer 9£445 GBP
Retailer 16£460 GBP
Retailer 11£530 GBP
Retailer 2£661 GBP
Retailer 15£663 GBP
Retailer 12£698 GBP
Retailer 4£700 GBP
Retailer 7£740 GBP
Retailer 3£743 GBP
Retailer 6£764 GBP
Retailer 20£943 GBP
Brilliant Earth£1,373 GBP
Retailer 8£1,636 GBP

38 data points across 20 retailers

22 retailers£166 GBP to £1,687 GBP

A
Cheapest Retailer
-
£166 GBP
$222 USD
A
Retailer 2
-
£188 GBP
$252 USD
View
Final sale: no returns
A
Retailer 3
-
£205 GBP
$275 USD
View
A
Retailer 4
-
£352 GBP
$471 USD
View
A
Retailer 5
-
£379 GBP
View
A
Retailer 6
-
£381 GBP
$511 USD
View
A
Retailer 7
-
£402 GBP
$538 USD
View
Retailer 8
-
£445 GBP
$596 USD
View
Price last confirmed 15 days ago
A
Retailer 9
-
£460 GBP
$617 USD
View
B+
Retailer 10
-
£530 GBP
$710 USD
View
B
Retailer 11
-
£661 GBP
$885 USD
View
B+
Retailer 12
-
£663 GBP
$888 USD
View
B+
Retailer 13
-
£698 GBP
A$1,438 AUD
View
B+
Retailer 14
-
£700 GBP
$937 USD
View
B+
Retailer 15
-
£740 GBP
€944 EUR
View
B+
Retailer 16
-
£743 GBP
$995 USD
View
B+
Retailer 17
-
£764 GBP
ZAR 16,541 ZAR
View
B+
Retailer 18
-
£943 GBP
$1,264 USD
View
B
Retailer 19
-
£1,087 GBP
$1,456 USD
View
B
Retailer 20
-
£1,373 GBP
$1,840 USD
View
B
Retailer 21
-
£1,636 GBP
View
Most Expensive
B
Brilliant Earth
20257444A · Oct 28
£1,687 GBP
$2,260 USD
View
21 more retailers have this diamond
Prices start from £166 GBPSave up to £1,521 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
1.06ct Marquise
£166 GBP