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Round|Lab Grown|IGI

1.14ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG747511754

Shape and cutting style on the report: Round brilliant

Certificate IGI LG747511754

Diamond specifications and retailer prices

From £137 GBP
$183 USD
As of October 29, 2026
Save £660 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £796 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.14ct lab-grown round diamond

This 1.14ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG747511754 or 747511754. Listed at 15 retailers as of October 29, 2026, with prices from £137 to £796, a £660 spread on the same certified stone. MOH London lists it at £796. 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

1.14
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747511754
Dimensions6.75 × 6.72 × 4.10 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.75 mm6.72 mm1.14 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747511754
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £796 GBP|Low: £131 GBP|High: £801 GBP|Avg: £352 GBP|+0.6%
MOH London
Retailer 2
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Retailer 7
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Retailer 9
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Retailer 11
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Retailer 15
October 31, 2026
Retailer 11£137 GBP
Retailer 3£158 GBP
Retailer 12£169 GBP
Retailer 14£169 GBP
Retailer 9£208 GBP
Retailer 2£286 GBP
Retailer 13£298 GBP
Retailer 8£328 GBP
Retailer 7£333 GBP
Retailer 15£352 GBP
Retailer 5£426 GBP
Retailer 10£430 GBP
Retailer 4£544 GBP
Retailer 6£585 GBP
MOH London£796 GBP

40 data points across 15 retailers

15 retailers£137 GBP to £796 GBP

A
Cheapest Retailer
-
£137 GBP
$183 USD
A
Retailer 2
-
£158 GBP
$212 USD
View
A
Retailer 3
-
£169 GBP
$227 USD
View
A
Retailer 4
-
£169 GBP
$227 USD
View
A
Retailer 5
-
£208 GBP
View
A
Retailer 6
-
£286 GBP
€365 EUR
View
A
Retailer 7
-
£298 GBP
$399 USD
View
A
Retailer 8
-
£328 GBP
$440 USD
View
A
Retailer 9
-
£352 GBP
$471 USD
View
A
Retailer 10
-
£426 GBP
$571 USD
View
B+
Retailer 11
-
£430 GBP
$576 USD
View
Retailer 12
-
£520 GBP
$697 USD
View
Price last confirmed 45 days ago
A
Retailer 13
-
£544 GBP
$729 USD
View
A
Retailer 14
-
£585 GBP
$783 USD
View
Most Expensive
A
MOH London
LG747511754 · Oct 29
£796 GBP
View
14 more retailers have this diamond
Prices start from £137 GBPSave up to £660 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
1.14ct Round
£137 GBP