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Oval|Lab Grown|IGI

1.22ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG800677407

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG800677407

Diamond specifications and retailer prices

From £165 GBP
$221 USD
As of October 29, 2026
Save £1,432 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,937 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800677407 or 800677407. Listed at 16 retailers as of October 29, 2026, with a 868% 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800677407
Dimensions8.75 × 6.02 × 3.61 mm
L/W Ratio1.45
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
8.75 mm6.02 mm1.22 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800677407
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
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 29
Current: £1,937 GBP|Low: £165 GBP|High: £2,664 GBP|Avg: £849 GBP|+6.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 30, 2026
Retailer 12£165 GBP
Retailer 4£191 GBP
Retailer 9£243 GBP
Retailer 13£318 GBP
Retailer 16£349 GBP
Retailer 17£392 GBP
Retailer 10£442 GBP
Retailer 5£462 GBP
Retailer 7£538 GBP
Retailer 15£660 GBP
Retailer 6£716 GBP
Retailer 3£725 GBP
Retailer 11£909 GBP
Retailer 8£1,349 GBP
Retailer 14£1,582 GBP
Retailer 2£1,597 GBP
Rare Carat£1,937 GBP

28 data points across 17 retailers

16 retailers£165 GBP to £1,597 GBP

A
Cheapest Retailer
-
£165 GBP
$221 USD
A
Retailer 2
-
£191 GBP
$256 USD
View
A
Retailer 3
-
£243 GBP
$326 USD
View
Final sale: no returns
A
Retailer 4
-
£318 GBP
$426 USD
View
A
Retailer 5
-
£349 GBP
$468 USD
View
A
Retailer 6
-
£392 GBP
€500 EUR
View
A
Retailer 7
-
£398 GBP
$533 USD
View
A
Retailer 8
-
£462 GBP
$619 USD
View
B+
Retailer 9
-
£538 GBP
A$1,108 AUD
View
B+
Retailer 10
-
£660 GBP
$884 USD
View
B+
Retailer 11
-
£725 GBP
$972 USD
View
B+
Retailer 12
-
£909 GBP
View
B
Retailer 13
-
£1,349 GBP
$1,808 USD
View
B
Retailer 14
-
£1,582 GBP
$2,120 USD
View
B
Retailer 15
-
£1,597 GBP
$2,140 USD
View
Most Expensive
Rare Carat
P86A-9B · Oct 21
£1,937 GBP
$2,595 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from £165 GBPSave up to £1,432 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
£165 GBP