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Round|Lab Grown|IGI

1.24ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG663409936

Shape and cutting style on the report: Round brilliant

Certificate IGI LG663409936

Diamond specifications and retailer prices

From £283 GBP
$379 USD
As of October 29, 2026
Save £1,093 GBP (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,376 GBP at MOH London · As of October 29, 2026
View at MOH London

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 LG663409936 or 663409936. Listed at 23 retailers as of October 29, 2026, with prices from £283 to £1,376, a £1,093 spread on the same certified stone. MOH London lists it at £1,376. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG663409936
Dimensions6.89 × 6.94 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.89 mm6.94 mm1.24 ctE / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG663409936
Side View
Table 57.0%Crown 33.2°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 61.6%

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: £1,376 GBP|Low: £280 GBP|High: £1,376 GBP|Avg: £707 GBP|+0.4%
MOH London
Retailer 2
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Retailer 19
October 30, 2026
Retailer 8£283 GBP
Retailer 12£316 GBP
Retailer 15£316 GBP
Retailer 4£350 GBP
Retailer 19£350 GBP
Retailer 18£525 GBP
Retailer 16£544 GBP
Retailer 10£545 GBP
Retailer 3£558 GBP
Retailer 13£579 GBP
Retailer 14£602 GBP
Retailer 2£632 GBP
Retailer 6£879 GBP
Retailer 17£963 GBP
Retailer 9£1,126 GBP
Retailer 7£1,155 GBP
Retailer 5£1,316 GBP
Retailer 11£1,321 GBP
MOH London£1,376 GBP

38 data points across 19 retailers

23 retailers£283 GBP to £1,376 GBP

Retailer 1
-
£280 GBP
$375 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£283 GBP
$379 USD
View
A
Retailer 3
-
£316 GBP
$423 USD
View
Final sale: no returns
A
Retailer 4
-
£316 GBP
$424 USD
View
Retailer 5
-
£343 GBP
$459 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
£350 GBP
$469 USD
View
A
Retailer 7
-
£350 GBP
$469 USD
View
B+
Retailer 8
-
£525 GBP
$704 USD
View
B+
Retailer 9
-
£544 GBP
$729 USD
View
B+
Retailer 10
-
£545 GBP
$730 USD
View
B+
Retailer 11
-
£558 GBP
$748 USD
View
B+
Retailer 12
-
£579 GBP
€739 EUR
View
B+
Retailer 13
-
£602 GBP
ZAR 13,029 ZAR
View
B+
Retailer 14
-
£632 GBP
View
B
Retailer 15
-
£879 GBP
$1,178 USD
View
Retailer 16
-
£963 GBP
$1,290 USD
View
Price last confirmed 12 days ago
Retailer 17
-
£1,116 GBP
$1,495 USD
View
Price last confirmed 39 days ago
B
Retailer 18
-
£1,126 GBP
$1,509 USD
View
B
Retailer 19
-
£1,155 GBP
$1,547 USD
View
B
Retailer 20
-
£1,316 GBP
$1,763 USD
View
B
Retailer 21
-
£1,321 GBP
$1,770 USD
View
B
Retailer 22
-
£1,342 GBP
$1,798 USD
View
Most Expensive
B
MOH London
LG663409936 · Oct 29
£1,376 GBP
View
22 more retailers have this diamond
Prices start from £283 GBPSave up to £1,093 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
£283 GBP