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Marquise|Lab Grown|IGI

1.24ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG791607977

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791607977

Diamond specifications and retailer prices

From £284 GBP
$380 USD
As of October 30, 2026
Save £1,866 GBP (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,149 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG791607977 or 791607977. Listed at 24 retailers as of October 30, 2026, with prices from £284 to £2,149, a £1,866 spread on the same certified stone. Do Amore Diamonds lists it at £2,149. 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 angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791607977
Dimensions11.68 × 5.44 × 3.38 mm
L/W Ratio2.15
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.68 mm5.44 mm1.24 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791607977
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.1%

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: £2,149 GBP|Low: £272 GBP|High: £2,149 GBP|Avg: £843 GBP
Do Amore Diamonds
Retailer 2
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Retailer 18
October 30, 2026
Retailer 3£284 GBP
Retailer 15£316 GBP
Retailer 8£318 GBP
Retailer 5£352 GBP
Retailer 9£352 GBP
Retailer 14£463 GBP
Retailer 4£521 GBP
Retailer 16£592 GBP
Retailer 6£620 GBP
Retailer 11£639 GBP
Retailer 13£667 GBP
Retailer 18£744 GBP
Retailer 10£1,047 GBP
Retailer 7£1,248 GBP
Retailer 2£1,361 GBP
Retailer 12£1,433 GBP
Retailer 17£1,649 GBP
Do Amore Diamonds£2,149 GBP

37 data points across 18 retailers

24 retailers£284 GBP to £2,149 GBP

A
Cheapest Retailer
-
£284 GBP
$380 USD
A
Retailer 2
-
£316 GBP
$424 USD
View
Final sale: no returns
A
Retailer 3
-
£318 GBP
$426 USD
View
A
Retailer 4
-
£352 GBP
$471 USD
View
A
Retailer 5
-
£352 GBP
$471 USD
View
A
Retailer 6
-
£416 GBP
$558 USD
View
A
Retailer 7
-
£463 GBP
$620 USD
View
A
Retailer 8
-
£500 GBP
$670 USD
View
A
Retailer 9
-
£521 GBP
$698 USD
View
B+
Retailer 10
-
£592 GBP
€756 EUR
View
B+
Retailer 11
-
£620 GBP
A$1,278 AUD
View
B+
Retailer 12
-
£639 GBP
View
B+
Retailer 13
-
£667 GBP
ZAR 14,438 ZAR
View
B+
Retailer 14
-
£744 GBP
$997 USD
View
B+
Retailer 15
-
£851 GBP
$1,140 USD
View
B
Retailer 16
-
£1,047 GBP
$1,403 USD
View
B
Retailer 17
-
£1,072 GBP
CA$1,995 CAD
View
B
Retailer 18
-
£1,248 GBP
$1,672 USD
View
B
Retailer 19
-
£1,313 GBP
$1,760 USD
View
B
Retailer 20
-
£1,361 GBP
$1,823 USD
View
B
Retailer 21
-
£1,433 GBP
View
B
Retailer 22
-
£1,487 GBP
$1,993 USD
View
B
Retailer 23
-
£1,649 GBP
$2,210 USD
View
Most Expensive
B
Do Amore Diamonds
20-E78059 · Oct 30
£2,149 GBP
$2,880 USD
View
23 more retailers have this diamond
Prices start from £284 GBPSave up to £1,866 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
£284 GBP