Marquise|Lab Grown|IGI

1.08ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG788641868

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788641868

Diamond specifications and retailer prices

From £375 GBP
$503 USD
As of October 30, 2026
Save £1,311 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,687 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.08ct lab-grown marquise diamond

This 1.08ct 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 LG788641868 or 788641868. Listed at 11 retailers as of October 30, 2026, with prices from £375 to £1,687, a £1,311 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

1.08
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788641868
Dimensions10.84 × 5.15 × 3.30 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.84 mm5.15 mm1.08 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788641868
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 64.1%

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: Oct 30
Current: £1,687 GBP|Low: £187 GBP|High: £1,754 GBP|Avg: £823 GBP|-3.8%
Brilliant Earth
Retailer 2
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October 8, 2026
Retailer 5£287 GBP
Retailer 15£375 GBP
Retailer 6£437 GBP
Retailer 17£447 GBP
Retailer 16£459 GBP
Retailer 18£492 GBP
Retailer 9£499 GBP
Retailer 4£507 GBP
Retailer 3£540 GBP
Retailer 13£617 GBP
Retailer 10£962 GBP
Retailer 8£1,014 GBP
Retailer 2£1,019 GBP
Retailer 7£1,046 GBP
Retailer 11£1,157 GBP
Retailer 19£1,170 GBP
Retailer 12£1,203 GBP
Retailer 14£1,496 GBP
Brilliant Earth£1,687 GBP

17 data points across 19 retailers

11 retailers£375 GBP to £1,687 GBP

A
Cheapest Retailer
-
£375 GBP
$503 USD
A
Retailer 2
-
£459 GBP
$615 USD
View
Retailer 3
-
£492 GBP
ZAR 10,660 ZAR
View
Price last confirmed 30 days ago
Retailer 4
-
£540 GBP
$723 USD
View
Price last confirmed 28 days ago
Retailer 5
-
£617 GBP
$827 USD
View
Price last confirmed 7 days ago
Retailer 6
-
£962 GBP
$1,289 USD
View
Price last confirmed 29 days ago
B
Retailer 7
-
£1,019 GBP
CA$1,896 CAD
View
Retailer 8
-
£1,170 GBP
View
Price last confirmed 30 days ago
B
Retailer 9
-
£1,203 GBP
$1,612 USD
View
B
Retailer 10
-
£1,496 GBP
$2,004 USD
View
Most Expensive
B
Brilliant Earth
21717748A · Oct 30
£1,687 GBP
$2,260 USD
View
10 more retailers have this diamond
Prices start from £375 GBPSave up to £1,311 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
1.08ct Marquise
£375 GBP