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Marquise|Lab Grown|IGI

1.01ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG791607935

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791607935

Diamond specifications and retailer prices

From £360 GBP
$480 USD
As of October 29, 2026
Save £1,224 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,584 GBP at Brilliant Earth · As of October 28, 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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG791607935 or 791607935. Listed at 12 retailers as of October 28, 2026, with prices from £360 to £1,584, a £1,224 spread on the same certified stone. Brilliant Earth lists it at £1,584. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791607935
Dimensions10.20 × 5.22 × 3.30 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.20 mm5.22 mm1.01 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791607935
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.2%

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 29
Current: £1,584 GBP|Low: £176 GBP|High: £1,652 GBP|Avg: £764 GBP|-4.1%
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 18
October 8, 2026
Retailer 17£270 GBP
Retailer 14£360 GBP
Retailer 6£424 GBP
Retailer 16£427 GBP
Retailer 15£434 GBP
Retailer 8£446 GBP
Retailer 18£466 GBP
Retailer 4£478 GBP
Retailer 3£508 GBP
Retailer 12£581 GBP
Retailer 9£914 GBP
Retailer 7£954 GBP
Retailer 2£959 GBP
Retailer 5£1,107 GBP
Retailer 10£1,120 GBP
Retailer 11£1,132 GBP
Retailer 13£1,407 GBP
Brilliant Earth£1,584 GBP

19 data points across 18 retailers

12 retailers£360 GBP to £1,584 GBP

A
Cheapest Retailer
-
£360 GBP
$480 USD
A
Retailer 2
-
£434 GBP
$578 USD
View
Retailer 3
-
£466 GBP
ZAR 10,031 ZAR
View
Price last confirmed 28 days ago
Retailer 4
-
£508 GBP
$676 USD
View
Price last confirmed 27 days ago
B+
Retailer 5
-
£581 GBP
$773 USD
View
Retailer 6
-
£914 GBP
$1,218 USD
View
Price last confirmed 27 days ago
B
Retailer 7
-
£959 GBP
CA$1,774 CAD
View
Retailer 8
-
£1,107 GBP
View
Price last confirmed 28 days ago
Retailer 9
-
£1,120 GBP
$1,491 USD
View
Price last confirmed 27 days ago
B
Retailer 10
-
£1,132 GBP
$1,507 USD
View
B
Retailer 11
-
£1,407 GBP
$1,874 USD
View
Most Expensive
B
Brilliant Earth
21717489A · Oct 28
£1,584 GBP
$2,110 USD
View
11 more retailers have this diamond
Prices start from £360 GBPSave up to £1,224 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
1.01ct Marquise
£360 GBP