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Round|Lab Grown|IGI

1.09ct I VVS1 Round Lab Grown Diamond

ID • I/VVS1 • IGI LG842644143

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842644143

Diamond specifications and retailer prices

From £205 GBP
$275 USD
As of October 30, 2026
Save £484 GBP (70%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £689 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842644143 or 842644143. Listed at 5 retailers as of October 29, 2026, with prices from £205 to £689, a £484 spread on the same certified stone. MOH London lists it at £689. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
I
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842644143
Dimensions6.65 × 6.67 × 4.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Light Blue
Top View
6.65 mm6.67 mm1.09 ctI / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842644143
Side View
Table 59.0%Crown 33.7°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £689 GBP|Low: £205 GBP|High: £694 GBP|Avg: £445 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 3£205 GBP
Retailer 4£330 GBP
Retailer 2£499 GBP
Retailer 5£512 GBP
MOH London£689 GBP

6 data points across 5 retailers

5 retailers£205 GBP to £689 GBP

B+
Cheapest Retailer
-
£205 GBP
$275 USD
B+
Retailer 2
-
£330 GBP
$442 USD
View
B
Retailer 3
-
£499 GBP
$669 USD
View
B
Retailer 4
-
£512 GBP
$686 USD
View
Most Expensive
B
MOH London
LG842644143 · Oct 29
£689 GBP
View
4 more retailers have this diamond
Prices start from £205 GBPSave up to £484 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.

B+
1.09ct Round
£205 GBP