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Oval|Lab Grown|IGI

1.22ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG799605271

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG799605271

Diamond specifications and retailer prices

From £178 GBP
$239 USD
As of October 30, 2026
Save £1,172 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,351 GBP at Brilliant Earth · As of October 30, 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 LG799605271 or 799605271. Listed at 21 retailers as of October 30, 2026, with prices from £178 to £1,351, a £1,172 spread on the same certified stone. Brilliant Earth lists it at £1,351. 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 angle34.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799605271
Dimensions8.74 × 5.93 × 3.70 mm
L/W Ratio1.47
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
8.74 mm5.93 mm1.22 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799605271
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.4%

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: Oct 30
Current: £1,351 GBP|Low: £132 GBP|High: £1,560 GBP|Avg: £586 GBP|-13.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 13£178 GBP
Retailer 8£280 GBP
Retailer 4£340 GBP
Retailer 10£341 GBP
Retailer 2£368 GBP
Retailer 14£427 GBP
Retailer 15£436 GBP
Retailer 12£486 GBP
Retailer 11£572 GBP
Retailer 6£657 GBP
Retailer 3£678 GBP
Retailer 7£826 GBP
Retailer 9£926 GBP
Retailer 5£1,172 GBP
Brilliant Earth£1,351 GBP

38 data points across 15 retailers

21 retailers£178 GBP to £1,351 GBP

Retailer 1
-
£164 GBP
$220 USD
Price last confirmed 19 days ago
Retailer 2
-
£166 GBP
$223 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£178 GBP
$239 USD
View
Final sale: no returns
Retailer 4
-
£193 GBP
$259 USD
View
Price last confirmed 35 days ago
Retailer 5
-
£204 GBP
$273 USD
View
Price last confirmed 18 days ago
Retailer 6
-
£204 GBP
$273 USD
View
Price last confirmed 31 days ago
Retailer 7
-
£204 GBP
$273 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
£280 GBP
$375 USD
View
A
Retailer 9
-
£341 GBP
ZAR 7,390 ZAR
View
A
Retailer 10
-
£368 GBP
View
A
Retailer 11
-
£427 GBP
$573 USD
View
A
Retailer 12
-
£436 GBP
$584 USD
View
A
Retailer 13
-
£486 GBP
A$1,001 AUD
View
B+
Retailer 14
-
£572 GBP
$767 USD
View
Retailer 15
-
£654 GBP
$876 USD
View
Price last confirmed 23 days ago
B+
Retailer 16
-
£657 GBP
$880 USD
View
B+
Retailer 17
-
£678 GBP
$909 USD
View
Retailer 18
-
£826 GBP
View
Price last confirmed 19 days ago
B
Retailer 19
-
£926 GBP
$1,241 USD
View
Retailer 20
-
£1,172 GBP
$1,570 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
19793044A · Oct 30
£1,351 GBP
$1,810 USD
View
20 more retailers have this diamond
Prices start from £178 GBPSave up to £1,172 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
£178 GBP