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Round|Lab Grown|IGI

1.13ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818659428

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818659428

Diamond specifications and retailer prices

From £353 GBP
$473 USD
As of October 30, 2026
Save £1,244 GBP (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,597 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.13ct lab-grown round diamond

This 1.13ct 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 LG818659428 or 818659428. Listed at 9 retailers as of October 30, 2026, with prices from £353 to £1,597, a £1,244 spread on the same certified stone. Do Amore Diamonds lists it at £1,597. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.13
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818659428
Dimensions6.69 × 6.73 × 4.10 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
6.69 mm6.73 mm1.13 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818659428
Side View
Table 58.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

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A
Excellent
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 30
Current: £1,597 GBP|Low: £147 GBP|High: £1,784 GBP|Avg: £672 GBP|-10.5%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 15
October 30, 2026
Retailer 6£147 GBP
Retailer 9£353 GBP
Retailer 2£369 GBP
Retailer 13£369 GBP
Retailer 5£382 GBP
Retailer 3£412 GBP
Retailer 15£437 GBP
Retailer 10£666 GBP
Retailer 11£701 GBP
Retailer 7£764 GBP
Retailer 4£782 GBP
Retailer 12£907 GBP
Retailer 8£918 GBP
Retailer 14£1,179 GBP
Do Amore Diamonds£1,597 GBP

20 data points across 15 retailers

9 retailers£353 GBP to £1,597 GBP

A
Cheapest Retailer
-
£353 GBP
$473 USD
A
Retailer 2
-
£369 GBP
View
Retailer 3
-
£382 GBP
ZAR 8,260 ZAR
View
Price last confirmed 51 days ago
B+
Retailer 4
-
£666 GBP
$893 USD
View
B+
Retailer 5
-
£701 GBP
$940 USD
View
Retailer 6
-
£907 GBP
$1,215 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£918 GBP
View
B
Retailer 8
-
£1,179 GBP
$1,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-D942D37A6 · Oct 30
£1,597 GBP
$2,140 USD
View
8 more retailers have this diamond
Prices start from £353 GBPSave up to £1,244 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
1.13ct Round
£353 GBP