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Round|Lab Grown|IGI

1.27ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG685591965

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685591965

Diamond specifications and retailer prices

From £285 GBP
As of November 1, 2026
Save £472 GBP (62%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £757 GBP at MOH London · As of October 29, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG685591965 or 685591965. Listed at 7 retailers as of October 29, 2026, with prices from £285 to £757, a £472 spread on the same certified stone. MOH London lists it at £757. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685591965
Dimensions6.99 × 6.96 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.99 mm6.96 mm1.27 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685591965
Side View
Table 60.0%Crown 34.1°Girdle: MediumPavilion 41°Culet: NoneDepth 60.6%

Caratlytics Score

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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: Nov 1
Current: £757 GBP|Low: £285 GBP|High: £864 GBP|Avg: £431 GBP|-11.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2£285 GBP
Retailer 4£287 GBP
Retailer 6£322 GBP
Retailer 5£366 GBP
Retailer 3£405 GBP
Retailer 7£558 GBP
MOH London£757 GBP

40 data points across 7 retailers

7 retailers£285 GBP to £757 GBP

A
Cheapest Retailer
-
£285 GBP
A
Retailer 2
-
£287 GBP
$384 USD
View
A
Retailer 3
-
£322 GBP
$432 USD
View
B+
Retailer 4
-
£366 GBP
$490 USD
View
B+
Retailer 5
-
£405 GBP
$542 USD
View
B
Retailer 6
-
£558 GBP
$748 USD
View
Most Expensive
B
MOH London
LG685591965 · Oct 29
£757 GBP
View
6 more retailers have this diamond
Prices start from £285 GBPSave up to £472 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
£285 GBP