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Round|Lab Grown|IGI

1.18ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG788629691

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788629691

Diamond specifications and retailer prices

From £364 GBP
$488 USD
As of October 30, 2026
Save £1,300 GBP (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,664 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.18ct lab-grown round diamond

This 1.18ct lab-grown round 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 LG788629691 or 788629691. Listed at 8 retailers as of October 30, 2026, with prices from £364 to £1,664, a £1,300 spread on the same certified stone. Do Amore Diamonds lists it at £1,664. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788629691
Dimensions6.83 × 6.79 × 4.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm6.79 mm1.18 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788629691
Side View
Table 58.0%Crown 33.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.4%

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: £1,664 GBP|Low: £244 GBP|High: £1,717 GBP|Avg: £753 GBP|-3.0%
Do Amore Diamonds
Retailer 2
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Retailer 15
October 29, 2026
Retailer 15£244 GBP
Retailer 12£358 GBP
Retailer 8£364 GBP
Retailer 3£505 GBP
Retailer 4£508 GBP
Retailer 14£611 GBP
Retailer 6£616 GBP
Retailer 7£648 GBP
Retailer 9£693 GBP
Retailer 10£722 GBP
Retailer 11£944 GBP
Retailer 2£954 GBP
Retailer 5£1,172 GBP
Retailer 13£1,224 GBP
Do Amore Diamonds£1,664 GBP

16 data points across 15 retailers

8 retailers£364 GBP to £1,664 GBP

A
Cheapest Retailer
-
£364 GBP
$488 USD
Retailer 2
-
£616 GBP
$826 USD
View
Price last confirmed 21 days ago
B+
Retailer 3
-
£693 GBP
$928 USD
View
B+
Retailer 4
-
£722 GBP
$968 USD
View
Retailer 5
-
£944 GBP
$1,265 USD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£954 GBP
View
B
Retailer 7
-
£1,224 GBP
$1,640 USD
View
Most Expensive
B
Do Amore Diamonds
27-4D9820D6E · Oct 30
£1,664 GBP
$2,230 USD
View
7 more retailers have this diamond
Prices start from £364 GBPSave up to £1,300 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
1.18ct Round
£364 GBP