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Round|Lab Grown|IGI

1.19ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818653770

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818653770

Diamond specifications and retailer prices

From £189 GBP
$253 USD
As of October 29, 2026
Save £1,065 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,254 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.19ct lab-grown round diamond

This 1.19ct 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 LG818653770 or 818653770. Listed at 20 retailers as of October 29, 2026, with prices from £189 to £1,254, a £1,065 spread on the same certified stone. Brilliant Earth lists it at £1,254. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.19
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818653770
Dimensions6.86 × 6.80 × 4.12 mm
L/W Ratio1.01
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
6.86 mm6.80 mm1.19 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818653770
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.4%

Caratlytics Score

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A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,254 GBP|Low: £186 GBP|High: £1,254 GBP|Avg: £552 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 8£189 GBP
Retailer 9£212 GBP
Retailer 3£219 GBP
Retailer 4£234 GBP
Retailer 11£234 GBP
Retailer 16£355 GBP
Retailer 14£387 GBP
Retailer 5£393 GBP
Retailer 15£403 GBP
Retailer 6£421 GBP
Retailer 2£445 GBP
Retailer 7£477 GBP
Retailer 20£720 GBP
Retailer 12£753 GBP
Retailer 19£755 GBP
Retailer 10£792 GBP
Retailer 18£819 GBP
Retailer 13£944 GBP
Retailer 17£963 GBP
Brilliant Earth£1,254 GBP

36 data points across 20 retailers

20 retailers£189 GBP to £1,254 GBP

A+
Cheapest Retailer
-
£189 GBP
$253 USD
A
Retailer 2
-
£212 GBP
$284 USD
View
Final sale: no returns
A
Retailer 3
-
£219 GBP
$294 USD
View
A
Retailer 4
-
£234 GBP
$314 USD
View
A
Retailer 5
-
£234 GBP
$314 USD
View
A
Retailer 6
-
£355 GBP
$475 USD
View
A
Retailer 7
-
£387 GBP
€494 EUR
View
A
Retailer 8
-
£393 GBP
$526 USD
View
A
Retailer 9
-
£403 GBP
ZAR 8,715 ZAR
View
A
Retailer 10
-
£421 GBP
$564 USD
View
A
Retailer 11
-
£445 GBP
View
B+
Retailer 12
-
£477 GBP
$639 USD
View
B+
Retailer 13
-
£720 GBP
$965 USD
View
B+
Retailer 14
-
£753 GBP
$1,009 USD
View
B+
Retailer 15
-
£755 GBP
SGD 1,367 SGD
View
B+
Retailer 16
-
£792 GBP
$1,061 USD
View
B+
Retailer 17
-
£819 GBP
$1,098 USD
View
B+
Retailer 18
-
£944 GBP
View
Retailer 19
-
£963 GBP
$1,290 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21421251A · Oct 29
£1,254 GBP
$1,680 USD
View
19 more retailers have this diamond
Prices start from £189 GBPSave up to £1,065 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+
1.19ct Round
£189 GBP