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Round|Lab Grown|IGI

1.27ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG842644218

Shape and cutting style on the report: Round brilliant

Certificate IGI LG842644218

Diamond specifications and retailer prices

From £225 GBP
$302 USD
As of October 30, 2026
Save £529 GBP (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £754 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG842644218 or 842644218. Listed at 6 retailers as of October 25, 2026, with prices from £225 to £754, a £529 spread on the same certified stone. MOH London lists it at £754. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842644218
Dimensions6.99 × 7.02 × 4.30 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 Faint Blue
Top View
6.99 mm7.02 mm1.27 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842644218
Side View
Table 55.0%Crown 33.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.3%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £754 GBP|Low: £225 GBP|High: £762 GBP|Avg: £422 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4£225 GBP
Retailer 2£285 GBP
Retailer 5£349 GBP
Retailer 3£356 GBP
Retailer 6£558 GBP
MOH London£754 GBP

21 data points across 6 retailers

6 retailers£225 GBP to £754 GBP

B+
Cheapest Retailer
-
£225 GBP
$302 USD
A
Retailer 2
-
£285 GBP
View
B+
Retailer 3
-
£349 GBP
$467 USD
View
B+
Retailer 4
-
£356 GBP
$477 USD
View
B
Retailer 5
-
£558 GBP
$748 USD
View
Most Expensive
B
MOH London
LG842644218 · Oct 25
£754 GBP
View
5 more retailers have this diamond
Prices start from £225 GBPSave up to £529 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
1.27ct Round
£225 GBP