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Radiant|Lab Grown|IGI

1.07ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG575311757

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG575311757

Diamond specifications and retailer prices

From £91 GBP
As of November 6, 2026
Save £751 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £843 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.07ct lab-grown radiant diamond

This 1.07ct lab-grown radiant sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG575311757 or 575311757. Listed at 11 retailers as of November 2, 2026, with prices from £91 to £843, a £751 spread on the same certified stone. MOH London lists it at £843. 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

1.07
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG575311757
Dimensions7.39 × 4.96 × 3.27 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.39 mm4.96 mm1.07 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG575311757
Side View
Table 67.5%Crown 47.1°Girdle: MediumPavilion 29.9°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
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 6
Current: £843 GBP|Low: £78 GBP|High: £852 GBP|Avg: £280 GBP|-1.0%
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
November 2, 2026
Retailer 9£78 GBP
Retailer 12£91 GBP
Retailer 10£94 GBP
Retailer 8£108 GBP
Retailer 11£114 GBP
Retailer 6£142 GBP
Retailer 2£191 GBP
Retailer 13£218 GBP
Retailer 7£362 GBP
Retailer 5£367 GBP
Retailer 4£374 GBP
Retailer 3£674 GBP
MOH London£843 GBP

14 data points across 13 retailers

11 retailers£91 GBP to £843 GBP

A
Cheapest Retailer
-
£91 GBP
Final sale: no returns
Retailer 2
-
£108 GBP
View
Price last confirmed 30 days ago
A
Retailer 3
-
£114 GBP
View
B+
Retailer 4
-
£142 GBP
View
A
Retailer 5
-
£191 GBP
View
A
Retailer 6
-
£218 GBP
View
Retailer 7
-
£324 GBP
View
Price last confirmed 38 days ago
B+
Retailer 8
-
£362 GBP
View
B+
Retailer 9
-
£367 GBP
View
B
Retailer 10
-
£674 GBP
View
Most Expensive
B
MOH London
LG575311757 · Nov 2
£843 GBP
View
10 more retailers have this diamond
Prices start from £91 GBPSave up to £751 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
1.07ct Radiant
£91 GBP