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1.21ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG365925018

Shape and cutting style on the report: Round brilliant

Certificate IGI LG365925018

Diamond specifications and retailer prices

From £324 GBP
$434 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: £324 GBP at Loose Grown Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Loose Grown Diamond

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG365925018 or 365925018. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
J
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG365925018
Dimensions6.91 × 6.86 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa.
Top View
6.91 mm6.86 mm1.21 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG365925018
Side View
Table 55.0%Crown 33.4°GirdlePavilion 40.6°CuletDepth 61.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: £324 GBP|Low: £315 GBP|High: £346 GBP|Avg: £328 GBP|+2.8%
September 23, 2026
Loose Grown Diamond£324 GBP

3 data points across 1 retailer

1 retailer

B+
Loose Grown Diamond
365925018 · Oct 30
£324 GBP
$434 USD
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B+
1.21ct Round
£324 GBP