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Round|Lab Grown|IGI

1.01ct G VVS1 Round Lab Grown Diamond

EX • G/VVS1 • IGI LG657429583

Shape and cutting style on the report: Round brilliant

Certificate IGI LG657429583

Diamond specifications and retailer prices

From £235 GBP
As of October 30, 2026
Save £402 GBP (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £637 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG657429583 or 657429583. Listed at 4 retailers as of October 26, 2026, with prices from £235 to £637, a £402 spread on the same certified stone. MOH London lists it at £637. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657429583
Dimensions6.48 × 6.46 × 3.92 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.48 mm6.46 mm1.01 ctG / VVS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG657429583
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £637 GBP|Low: £220 GBP|High: £644 GBP|Avg: £330 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 2£235 GBP
Retailer 4£239 GBP
Retailer 3£252 GBP
MOH London£637 GBP

41 data points across 4 retailers

4 retailers£235 GBP to £637 GBP

A
Cheapest Retailer
-
£235 GBP
A
Retailer 2
-
£239 GBP
$320 USD
View
B+
Retailer 3
-
£252 GBP
$337 USD
View
Most Expensive
B
MOH London
LG657429583 · Oct 26
£637 GBP
View
3 more retailers have this diamond
Prices start from £235 GBPSave up to £402 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
1.01ct Round
£235 GBP