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Round|Lab Grown|IGI

1.03ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG788621317

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788621317

Diamond specifications and retailer prices

From £149 GBP
$199 USD
As of October 29, 2026
Save £722 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £872 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct 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 LG788621317 or 788621317. Listed at 15 retailers as of October 29, 2026, with prices from £149 to £872, a £722 spread on the same certified stone. MOH London lists it at £872. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788621317
Dimensions6.54 × 6.50 × 3.99 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
6.54 mm6.50 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788621317
Side View
Table 58.0%Crown 34.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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: £872 GBP|Low: £146 GBP|High: £891 GBP|Avg: £384 GBP|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 8£149 GBP
Retailer 7£167 GBP
Retailer 12£173 GBP
Retailer 11£185 GBP
Retailer 14£185 GBP
Retailer 9£301 GBP
Retailer 4£321 GBP
Retailer 2£338 GBP
Retailer 3£365 GBP
Retailer 5£420 GBP
Retailer 13£453 GBP
Retailer 10£595 GBP
Retailer 15£598 GBP
Retailer 6£636 GBP
MOH London£872 GBP

33 data points across 15 retailers

15 retailers£149 GBP to £872 GBP

A+
Cheapest Retailer
-
£149 GBP
$199 USD
A
Retailer 2
-
£167 GBP
$223 USD
View
Final sale: no returns
A
Retailer 3
-
£173 GBP
$231 USD
View
A
Retailer 4
-
£185 GBP
$247 USD
View
A
Retailer 5
-
£185 GBP
$247 USD
View
A
Retailer 6
-
£301 GBP
View
A
Retailer 7
-
£321 GBP
$428 USD
View
A
Retailer 8
-
£338 GBP
View
A
Retailer 9
-
£365 GBP
$486 USD
View
A
Retailer 10
-
£420 GBP
$559 USD
View
B+
Retailer 11
-
£453 GBP
A$928 AUD
View
B+
Retailer 12
-
£595 GBP
$793 USD
View
B+
Retailer 13
-
£598 GBP
$796 USD
View
B+
Retailer 14
-
£636 GBP
$847 USD
View
Most Expensive
B
MOH London
LG788621317 · Oct 29
£872 GBP
View
14 more retailers have this diamond
Prices start from £149 GBPSave up to £722 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+
1.03ct Round
£149 GBP