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Round|Lab Grown|IGI

1.25ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG620417247

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620417247

Diamond specifications and retailer prices

From £296 GBP
€378 EUR
As of October 27, 2026
Save £487 GBP (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £783 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.25ct lab-grown round diamond

This 1.25ct 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 LG620417247 or 620417247. Listed at 7 retailers as of October 27, 2026, with prices from £296 to £783, a £487 spread on the same certified stone. MOH London lists it at £783. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620417247
Dimensions6.93 × 6.98 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.93 mm6.98 mm1.25 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620417247
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.6%

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 27
Current: £783 GBP|Low: £278 GBP|High: £792 GBP|Avg: £415 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3£296 GBP
Retailer 4£296 GBP
Retailer 2£299 GBP
Retailer 6£349 GBP
Retailer 5£409 GBP
Retailer 7£579 GBP
MOH London£783 GBP

42 data points across 7 retailers

7 retailers£296 GBP to £783 GBP

A
Cheapest Retailer
-
£296 GBP
€378 EUR
A
Retailer 2
-
£296 GBP
$397 USD
View
A
Retailer 3
-
£299 GBP
View
B+
Retailer 4
-
£349 GBP
$467 USD
View
B+
Retailer 5
-
£409 GBP
$548 USD
View
B
Retailer 6
-
£579 GBP
$775 USD
View
Most Expensive
B
MOH London
LG620417247 · Nov 1
£783 GBP
View
6 more retailers have this diamond
Prices start from £296 GBPSave up to £487 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
1.25ct Round
£296 GBP