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Round|Lab Grown|IGI

1.05ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG811644946

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811644946

Diamond specifications and retailer prices

From £131 GBP
$176 USD
As of October 30, 2026
Save £556 GBP (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £687 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811644946 or 811644946. Listed at 18 retailers as of October 29, 2026, with prices from £131 to £687, a £556 spread on the same certified stone. MOH London lists it at £687. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811644946
Dimensions6.54 × 6.51 × 4.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.54 mm6.51 mm1.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811644946
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.6%

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: Oct 30
Current: £687 GBP|Low: £131 GBP|High: £696 GBP|Avg: £306 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
October 31, 2026
Retailer 15£131 GBP
Retailer 6£137 GBP
Retailer 7£146 GBP
Retailer 8£146 GBP
Retailer 13£251 GBP
Retailer 10£253 GBP
Retailer 2£256 GBP
Retailer 12£265 GBP
Retailer 4£310 GBP
Retailer 14£357 GBP
Retailer 9£383 GBP
Retailer 11£384 GBP
Retailer 3£402 GBP
Retailer 5£403 GBP
Retailer 16£511 GBP
MOH London£687 GBP

30 data points across 16 retailers

18 retailers£131 GBP to £687 GBP

A
Cheapest Retailer
-
£131 GBP
$176 USD
Final sale: no returns
A
Retailer 2
-
£137 GBP
$183 USD
View
A
Retailer 3
-
£146 GBP
$196 USD
View
A
Retailer 4
-
£146 GBP
$196 USD
View
A
Retailer 5
-
£229 GBP
$307 USD
View
A
Retailer 6
-
£251 GBP
ZAR 5,435 ZAR
View
A
Retailer 7
-
£253 GBP
View
A
Retailer 8
-
£256 GBP
View
A
Retailer 9
-
£265 GBP
$355 USD
View
B+
Retailer 10
-
£310 GBP
$415 USD
View
B+
Retailer 11
-
£357 GBP
A$735 AUD
View
B+
Retailer 12
-
£383 GBP
$513 USD
View
B+
Retailer 13
-
£384 GBP
$515 USD
View
B+
Retailer 14
-
£402 GBP
SGD 727 SGD
View
Retailer 15
-
£403 GBP
$540 USD
View
Price last confirmed 15 days ago
B
Retailer 16
-
£479 GBP
$642 USD
View
B
Retailer 17
-
£511 GBP
$685 USD
View
Most Expensive
B
MOH London
LG811644946 · Oct 29
£687 GBP
View
17 more retailers have this diamond
Prices start from £131 GBPSave up to £556 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
1.05ct Round
£131 GBP