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Oval|Lab Grown|IGI

1.22ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG817629126

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817629126

Diamond specifications and retailer prices

From £158 GBP
$212 USD
As of November 1, 2026
Save £626 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,595 GBP at Brilliant Earth · As of October 21, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817629126 or 817629126. Listed at 13 retailers as of November 1, 2026, with a 396% 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817629126
Dimensions8.88 × 6.06 × 3.68 mm
L/W Ratio1.47
Girdle conditionFaceted
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
8.88 mm6.06 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817629126
Side View
Table 60.0%Crown 32.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.7%

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 1
Current: £1,595 GBP|Low: £154 GBP|High: £1,736 GBP|Avg: £622 GBP|-8.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8£158 GBP
Retailer 6£336 GBP
Retailer 9£361 GBP
Retailer 5£377 GBP
Retailer 2£479 GBP
Retailer 3£526 GBP
Retailer 7£629 GBP
Retailer 4£784 GBP
Retailer 10£1,170 GBP
Brilliant Earth£1,595 GBP

33 data points across 10 retailers

13 retailers£158 GBP to £784 GBP

A
Cheapest Retailer
-
£158 GBP
$212 USD
Retailer 2
-
£164 GBP
$220 USD
View
Price last confirmed 41 days ago
Retailer 3
-
£190 GBP
$255 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
£336 GBP
$451 USD
View
A
Retailer 5
-
£377 GBP
$506 USD
View
A
Retailer 6
-
£479 GBP
A$988 AUD
View
B+
Retailer 7
-
£526 GBP
$706 USD
View
Retailer 8
-
£595 GBP
$798 USD
View
Price last confirmed 48 days ago
B+
Retailer 9
-
£629 GBP
$844 USD
View
Retailer 10
-
£652 GBP
$875 USD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
£784 GBP
View
Retailer 12
-
£1,170 GBP
$1,570 USD
View
Price last confirmed 13 days ago
Most Expensive
Brilliant Earth
20729708A · Oct 21
£1,595 GBP
$2,140 USD
View
Price last confirmed 12 days ago
12 more retailers have this diamond
Prices start from £158 GBPSave up to £626 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
£158 GBP