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Round|Lab Grown|IGI

1.19ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG746507993

Shape and cutting style on the report: Round brilliant

Certificate IGI LG746507993

Diamond specifications and retailer prices

From £112 GBP
As of November 1, 2026
Save £537 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £649 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.19ct lab-grown round diamond

This 1.19ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG746507993 or 746507993. Listed at 13 retailers as of November 1, 2026, with prices from £112 to £649, a £537 spread on the same certified stone. MOH London lists it at £649. 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

1.19
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG746507993
Dimensions6.81 × 6.78 × 4.20 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
6.81 mm6.78 mm1.19 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG746507993
Side View
Table 56.0%Crown 33.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.8%

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 1
Current: £649 GBP|Low: £112 GBP|High: £690 GBP|Avg: £292 GBP|-5.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9£112 GBP
Retailer 10£126 GBP
Retailer 4£143 GBP
Retailer 7£240 GBP
Retailer 2£250 GBP
Retailer 3£256 GBP
Retailer 12£266 GBP
Retailer 5£269 GBP
Retailer 11£326 GBP
Retailer 8£366 GBP
Retailer 6£371 GBP
MOH London£649 GBP

39 data points across 12 retailers

13 retailers£112 GBP to £649 GBP

A
Cheapest Retailer
-
£112 GBP
A
Retailer 2
-
£126 GBP
View
Final sale: no returns
Retailer 3
-
£143 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£240 GBP
View
A
Retailer 5
-
£250 GBP
View
B+
Retailer 6
-
£256 GBP
View
A
Retailer 7
-
£266 GBP
View
A
Retailer 8
-
£269 GBP
View
A
Retailer 9
-
£269 GBP
View
B+
Retailer 10
-
£326 GBP
View
B+
Retailer 11
-
£366 GBP
View
B+
Retailer 12
-
£371 GBP
View
Most Expensive
B
MOH London
LG746507993 · Nov 1
£649 GBP
View
12 more retailers have this diamond
Prices start from £112 GBPSave up to £537 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
£112 GBP