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Oval|Lab Grown|IGI

1.21ct F VVS1 Oval Lab Grown Diamond

ID • F/VVS1 • IGI LG774630537

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG774630537

Diamond specifications and retailer prices

From £582 GBP
As of November 5, 2026
Save £188 GBP (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £770 GBP at The Diamond Guys · As of November 5, 2026
View at The Diamond Guys

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG774630537 or 774630537. Listed at 3 retailers as of November 5, 2026, with prices from £582 to £770, a £188 spread on the same certified stone. The Diamond Guys lists it at £770. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774630537
Dimensions8.34 × 6.08 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Top View
8.34 mm6.08 mm1.21 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774630537
Side View
Table 61.0%Crown 34.1°Girdle: STK-THKPavilion 41.7°Culet: NoneDepth 62.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: £582 GBP|Low: £120 GBP|High: £70,277 GBP|Avg: £662 GBP|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
The Diamond Guys
August 3, 2026
Retailer 9£325 GBP
Retailer 4£346 GBP
Retailer 2£384 GBP
Retailer 6£419 GBP
Retailer 8£422 GBP
Retailer 7£434 GBP
Retailer 1£582 GBP
Retailer 3£666 GBP
Retailer 5£721 GBP
The Diamond Guys£770 GBP

57 data points across 10 retailers

3 retailers£582 GBP to £770 GBP

Retailer 1
-
£434 GBP
Price last confirmed 162 days ago
B+
Retailer 2
-
£582 GBP
View
Most Expensive
B
The Diamond Guys
1951081659 · Nov 5
£770 GBP
$1,036 USD
View
2 more retailers have this diamond
Prices start from £582 GBPSave up to £188 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.

B+
1.21ct Oval
£582 GBP