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Round|Lab Grown|IGI

1.08ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG683545023

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683545023

Diamond specifications and retailer prices

From £131 GBP
As of November 5, 2026
Save £626 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £757 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.08ct lab-grown round diamond

This 1.08ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG683545023 or 683545023. Listed at 19 retailers as of November 5, 2026, with prices from £131 to £757, a £626 spread on the same certified stone. MOH London lists it at £757. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.08
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683545023
Dimensions6.56 × 6.59 × 4.08 mm
L/W Ratio1.00
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
6.56 mm6.59 mm1.08 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683545023
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.1%

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: Nov 5
Current: £757 GBP|Low: £125 GBP|High: £763 GBP|Avg: £321 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 6, 2026
Retailer 7£131 GBP
Retailer 3£146 GBP
Retailer 15£152 GBP
Retailer 4£163 GBP
Retailer 6£163 GBP
Retailer 12£253 GBP
Retailer 16£285 GBP
Retailer 2£286 GBP
Retailer 14£286 GBP
Retailer 5£288 GBP
Retailer 17£343 GBP
Retailer 9£361 GBP
Retailer 10£372 GBP
Retailer 11£424 GBP
Retailer 13£435 GBP
Retailer 8£522 GBP
MOH London£757 GBP

37 data points across 17 retailers

19 retailers£131 GBP to £757 GBP

A
Cheapest Retailer
-
£131 GBP
A
Retailer 2
-
£146 GBP
View
Final sale: no returns
A
Retailer 3
-
£152 GBP
View
A
Retailer 4
-
£163 GBP
View
Retailer 5
-
£163 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£253 GBP
View
B+
Retailer 7
-
£285 GBP
View
B+
Retailer 8
-
£286 GBP
View
B+
Retailer 9
-
£286 GBP
View
B+
Retailer 10
-
£288 GBP
View
B+
Retailer 11
-
£343 GBP
View
B
Retailer 12
-
£361 GBP
View
B+
Retailer 13
-
£372 GBP
View
B
Retailer 14
-
£424 GBP
View
B
Retailer 15
-
£424 GBP
View
B
Retailer 16
-
£435 GBP
View
Retailer 17
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£518 GBP
View
Price last confirmed 46 days ago
B
Retailer 18
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£522 GBP
View
Most Expensive
B
MOH London
LG683545023 · Nov 5
£757 GBP
View
18 more retailers have this diamond
Prices start from £131 GBPSave up to £626 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
1.08ct Round
£131 GBP