Oval|Lab Grown|IGI

1.07ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG816605354

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG816605354

Diamond specifications and retailer prices

From £129 GBP
As of November 5, 2026
Save £618 GBP (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £748 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.07ct lab-grown oval diamond

This 1.07ct lab-grown oval sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816605354 or 816605354. Listed at 16 retailers as of November 2, 2026, with prices from £129 to £748, a £618 spread on the same certified stone. MOH London lists it at £748. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816605354
Dimensions8.15 × 5.93 × 3.58 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.15 mm5.93 mm1.07 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816605354
Side View
Table 60.0%Crown 33.9°Girdle: THN-STKPavilion 40.3°Culet: NoneDepth 60.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £748 GBP|Low: £120 GBP|High: £751 GBP|Avg: £334 GBP|+1.7%
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
Retailer 14
Retailer 15
November 6, 2026
Retailer 6£129 GBP
Retailer 4£144 GBP
Retailer 3£149 GBP
Retailer 12£160 GBP
Retailer 13£160 GBP
Retailer 15£242 GBP
Retailer 2£282 GBP
Retailer 11£285 GBP
Retailer 10£392 GBP
Retailer 8£408 GBP
Retailer 9£411 GBP
Retailer 5£438 GBP
Retailer 14£514 GBP
Retailer 7£554 GBP
MOH London£748 GBP

41 data points across 15 retailers

16 retailers£129 GBP to £748 GBP

A
Cheapest Retailer
-
£129 GBP
A
Retailer 2
-
£144 GBP
View
Final sale: no returns
A
Retailer 3
-
£149 GBP
View
Retailer 4
-
£151 GBP
View
Price last confirmed 48 days ago
A
Retailer 5
-
£160 GBP
View
Retailer 6
-
£160 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
£242 GBP
View
A
Retailer 8
-
£282 GBP
View
A
Retailer 9
-
£285 GBP
View
Retailer 10
-
£392 GBP
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£408 GBP
View
B+
Retailer 12
-
£411 GBP
View
B+
Retailer 13
-
£438 GBP
View
B
Retailer 14
-
£514 GBP
View
B+
Retailer 15
-
£554 GBP
View
Most Expensive
B
MOH London
LG816605354 · Nov 2
£748 GBP
View
15 more retailers have this diamond
Prices start from £129 GBPSave up to £618 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 Oval
£129 GBP