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Round|Lab Grown|IGI

1.24ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG782686920

Shape and cutting style on the report: Round brilliant

Certificate IGI LG782686920

Diamond specifications and retailer prices

From £209 GBP
$278 USD
As of October 29, 2026
Save £1,593 GBP (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,802 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.24ct lab-grown round diamond

This 1.24ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG782686920 or 782686920. Listed at 24 retailers as of October 29, 2026, with prices from £209 to £1,802, a £1,593 spread on the same certified stone. Brilliant Earth lists it at £1,802. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782686920
Dimensions6.81 × 6.85 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.81 mm6.85 mm1.24 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782686920
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.0%

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: £1,802 GBP|Low: £209 GBP|High: £1,802 GBP|Avg: £653 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 22£209 GBP
Retailer 16£234 GBP
Retailer 12£242 GBP
Retailer 3£258 GBP
Retailer 15£258 GBP
Retailer 10£288 GBP
Retailer 24£347 GBP
Retailer 21£375 GBP
Retailer 18£415 GBP
Retailer 2£419 GBP
Retailer 20£444 GBP
Retailer 6£447 GBP
Retailer 13£454 GBP
Retailer 7£521 GBP
Retailer 19£629 GBP
Retailer 23£794 GBP
Retailer 8£831 GBP
Retailer 11£842 GBP
Retailer 9£869 GBP
Retailer 14£932 GBP
Retailer 17£939 GBP
Retailer 4£1,038 GBP
Retailer 5£1,083 GBP
Brilliant Earth£1,802 GBP

28 data points across 24 retailers

24 retailers£209 GBP to £1,802 GBP

A
Cheapest Retailer
-
£209 GBP
$278 USD
A
Retailer 2
-
£234 GBP
$311 USD
View
Final sale: no returns
A
Retailer 3
-
£242 GBP
$322 USD
View
A
Retailer 4
-
£258 GBP
$344 USD
View
A
Retailer 5
-
£258 GBP
$344 USD
View
A
Retailer 6
-
£288 GBP
HK$3,000 HKD
View
A
Retailer 7
-
£347 GBP
$462 USD
View
A
Retailer 8
-
£375 GBP
$500 USD
View
A
Retailer 9
-
£415 GBP
€526 EUR
View
A
Retailer 10
-
£419 GBP
View
A
Retailer 11
-
£444 GBP
ZAR 9,559 ZAR
View
A
Retailer 12
-
£447 GBP
$595 USD
View
A
Retailer 13
-
£454 GBP
View
B+
Retailer 14
-
£521 GBP
$694 USD
View
B+
Retailer 15
-
£629 GBP
A$1,289 AUD
View
B+
Retailer 16
-
£794 GBP
$1,058 USD
View
B+
Retailer 17
-
£831 GBP
$1,107 USD
View
B+
Retailer 18
-
£842 GBP
SGD 1,516 SGD
View
B
Retailer 19
-
£869 GBP
$1,158 USD
View
B
Retailer 20
-
£932 GBP
$1,241 USD
View
Retailer 21
-
£939 GBP
$1,250 USD
View
Price last confirmed 12 days ago
B+
Retailer 22
-
£1,038 GBP
View
B
Retailer 23
-
£1,083 GBP
$1,442 USD
View
Most Expensive
B
Brilliant Earth
18505703A · Oct 29
£1,802 GBP
$2,400 USD
View
23 more retailers have this diamond
Prices start from £209 GBPSave up to £1,593 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 Round
£209 GBP