Oval|Lab Grown|IGI

1.21ct F VVS2 Oval Lab Grown Diamond

ID • F/VVS2 • IGI LG833686771

Shape and cutting style on the report: Oval polygon step cut

Certificate IGI LG833686771

Diamond specifications and retailer prices

From £198 GBP
As of November 4, 2026
Save £678 GBP (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £877 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.21ct lab-grown oval diamond

This 1.21ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG833686771 or 833686771. Listed at 4 retailers as of November 4, 2026, with prices from £198 to £877, a £678 spread on the same certified stone. MOH London lists it at £877. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle49°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833686771
Dimensions8.16 × 5.66 × 3.66 mm
L/W Ratio1.44
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.16 mm5.66 mm1.21 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833686771
Side View
Table 69.0%Crown 34.6°Girdle: MED-STKPavilion 49°Culet: NoneDepth 64.7%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £877 GBP|Low: £198 GBP|High: £924 GBP|Avg: £496 GBP|+3.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 3£198 GBP
Retailer 4£296 GBP
Retailer 2£579 GBP
MOH London£877 GBP

16 data points across 4 retailers

4 retailers£198 GBP to £877 GBP

A
Cheapest Retailer
-
£198 GBP
Final sale: no returns
A
Retailer 2
-
£296 GBP
View
Retailer 3
-
£579 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG833686771 · Nov 5
£877 GBP
View
3 more retailers have this diamond
Prices start from £198 GBPSave up to £678 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
1.21ct Oval
£198 GBP