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Oval|Lab Grown|IGI

1.22ct F IF Oval Lab Grown Diamond

ID • F/IF • IGI LG635421516

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG635421516

Diamond specifications and retailer prices

From £162 GBP
As of November 4, 2026
Save £1,235 GBP (88%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £1,679 GBP at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.22ct lab-grown oval diamond

This 1.22ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG635421516 or 635421516. Listed at 27 retailers as of November 4, 2026, with a 762% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635421516
Dimensions8.93 × 5.93 × 3.72 mm
L/W Ratio1.51
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
Top View
8.93 mm5.93 mm1.22 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635421516
Side View
Table 59.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.7%

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 4
Current: £1,679 GBP|Low: £160 GBP|High: £1,679 GBP|Avg: £517 GBP
Brilliant Earth
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Retailer 24
November 5, 2026
Retailer 15£160 GBP
Retailer 7£162 GBP
Retailer 8£181 GBP
Retailer 9£181 GBP
Retailer 14£186 GBP
Retailer 2£209 GBP
Retailer 23£257 GBP
Retailer 6£276 GBP
Retailer 21£343 GBP
Retailer 24£363 GBP
Retailer 13£366 GBP
Retailer 22£380 GBP
Retailer 5£468 GBP
Retailer 20£487 GBP
Retailer 4£582 GBP
Retailer 12£640 GBP
Retailer 17£679 GBP
Retailer 16£781 GBP
Retailer 18£795 GBP
Retailer 11£799 GBP
Retailer 19£873 GBP
Retailer 10£877 GBP
Retailer 3£1,397 GBP
Brilliant Earth£1,679 GBP

30 data points across 24 retailers

27 retailers£162 GBP to £1,397 GBP

Retailer 1
-
£160 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
£162 GBP
View
Final sale: no returns
Retailer 3
-
£181 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£181 GBP
View
Retailer 5
-
£186 GBP
View
Price last confirmed 16 days ago
A
Retailer 6
-
£209 GBP
View
B+
Retailer 7
-
£257 GBP
View
A
Retailer 8
-
£276 GBP
View
A
Retailer 9
-
£343 GBP
View
A
Retailer 10
-
£363 GBP
View
A
Retailer 11
-
£366 GBP
View
A
Retailer 12
-
£380 GBP
View
A
Retailer 13
-
£468 GBP
View
A
Retailer 14
-
£487 GBP
View
B+
Retailer 15
-
£582 GBP
View
B+
Retailer 16
-
£582 GBP
View
B+
Retailer 17
-
£640 GBP
View
B+
Retailer 18
-
£679 GBP
View
Retailer 19
-
£781 GBP
View
Price last confirmed 15 days ago
B+
Retailer 20
-
£795 GBP
View
B+
Retailer 21
-
£799 GBP
View
B+
Retailer 22
-
£873 GBP
View
B+
Retailer 23
-
£877 GBP
View
B
Retailer 24
-
£1,300 GBP
View
B
Retailer 25
-
£1,397 GBP
View
Retailer 26
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£1,623 GBP
View
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
10269998A · Oct 24
£1,679 GBP
$2,260 USD
View
Price last confirmed 12 days ago
26 more retailers have this diamond
Prices start from £162 GBPSave up to £1,235 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
1.22ct Oval
£162 GBP