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Marquise|Lab Grown|IGI

1.24ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG787620951

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787620951

Diamond specifications and retailer prices

From £510 GBP
$683 USD
As of October 30, 2026
Save £1,380 GBP (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,890 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.24ct lab-grown marquise diamond

This 1.24ct 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 LG787620951 or 787620951. Listed at 12 retailers as of October 25, 2026, with prices from £510 to £1,890, a £1,380 spread on the same certified stone. MOH London lists it at £1,890. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620951
Dimensions10.94 × 5.64 × 3.57 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.94 mm5.64 mm1.24 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620951
Side View
Table 60.0%Crown 36.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.3%

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 30
Current: £1,890 GBP|Low: £390 GBP|High: £2,274 GBP|Avg: £1,004 GBP|-15.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 12£510 GBP
Retailer 4£573 GBP
Retailer 9£579 GBP
Retailer 3£638 GBP
Retailer 5£696 GBP
Retailer 2£750 GBP
Retailer 6£777 GBP
Retailer 11£1,059 GBP
Retailer 10£1,561 GBP
Retailer 7£1,642 GBP
Retailer 8£1,750 GBP
MOH London£1,890 GBP

41 data points across 12 retailers

12 retailers£510 GBP to £1,890 GBP

A
Cheapest Retailer
-
£510 GBP
$683 USD
B+
Retailer 2
-
£573 GBP
HK$6,000 HKD
View
B+
Retailer 3
-
£579 GBP
$776 USD
View
B+
Retailer 4
-
£638 GBP
$855 USD
View
B+
Retailer 5
-
£696 GBP
€888 EUR
View
B+
Retailer 6
-
£750 GBP
View
B+
Retailer 7
-
£777 GBP
ZAR 16,816 ZAR
View
B
Retailer 8
-
£1,059 GBP
$1,419 USD
View
B
Retailer 9
-
£1,561 GBP
$2,091 USD
View
B
Retailer 10
-
£1,642 GBP
$2,200 USD
View
B
Retailer 11
-
£1,750 GBP
$2,345 USD
View
Most Expensive
B
MOH London
LG787620951 · Oct 25
£1,890 GBP
View
11 more retailers have this diamond
Prices start from £510 GBPSave up to £1,380 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
1.24ct Marquise
£510 GBP