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Round|Lab Grown|IGI

1.07ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG512224139

Shape and cutting style on the report: Round brilliant

Certificate IGI LG512224139

Diamond specifications and retailer prices

From £357 GBP
As of November 5, 2026
Save £1,269 GBP (78%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,626 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 1.07ct lab-grown round diamond

This 1.07ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512224139 or 512224139. Listed at 11 retailers as of November 3, 2026, with prices from £357 to £1,626, a £1,269 spread on the same certified stone. MOH London lists it at £1,626. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512224139
Dimensions6.70 × 6.68 × 3.92 mm
L/W Ratio1.00
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
6.70 mm6.68 mm1.07 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512224139
Side View
Table 60.0%Crown 33.2°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £1,626 GBP|Low: £343 GBP|High: £1,645 GBP|Avg: £745 GBP
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 5, 2026
Retailer 8£357 GBP
Retailer 3£400 GBP
Retailer 13£400 GBP
Retailer 9£442 GBP
Retailer 11£442 GBP
Retailer 6£461 GBP
Retailer 4£479 GBP
Retailer 2£611 GBP
Retailer 10£689 GBP
Retailer 5£1,083 GBP
Retailer 7£1,190 GBP
Retailer 12£1,422 GBP
MOH London£1,626 GBP

25 data points across 13 retailers

11 retailers£357 GBP to £1,626 GBP

A
Cheapest Retailer
-
£357 GBP
A
Retailer 2
-
£400 GBP
View
Final sale: no returns
A
Retailer 3
-
£400 GBP
View
A
Retailer 4
-
£442 GBP
View
Retailer 5
-
£442 GBP
View
Price last confirmed 21 days ago
A
Retailer 6
-
£461 GBP
View
A
Retailer 7
-
£611 GBP
View
B+
Retailer 8
-
£689 GBP
View
B
Retailer 9
-
£1,190 GBP
View
B
Retailer 10
-
£1,422 GBP
View
Most Expensive
B
MOH London
LG512224139 · Nov 3
£1,626 GBP
View
10 more retailers have this diamond
Prices start from £357 GBPSave up to £1,269 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 Round
£357 GBP