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Radiant|Lab Grown|IGI

1.22ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG743593503

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG743593503

Diamond specifications and retailer prices

From £165 GBP
As of November 4, 2026
Save £1,509 GBP (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £1,674 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.22ct lab-grown radiant diamond

This 1.22ct lab-grown radiant 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 LG743593503 or 743593503. Listed at 27 retailers as of November 4, 2026, with prices from £165 to £1,674, a £1,509 spread on the same certified stone. Do Amore Diamonds lists it at £1,674. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743593503
Dimensions5.24 × 5.24 × 3.51 mm
L/W Ratio1.00
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
5.24 mm5.24 mm1.22 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743593503
Side View
Table 63.0%Crown 37.5°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £313 GBP|Low: £165 GBP|High: £1,733 GBP|Avg: £608 GBP
Retailer 1
Retailer 2
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Retailer 17
November 4, 2026
Retailer 10£165 GBP
Retailer 11£192 GBP
Retailer 1£313 GBP
Retailer 15£319 GBP
Retailer 2£376 GBP
Retailer 5£412 GBP
Retailer 17£424 GBP
Retailer 3£497 GBP
Retailer 8£580 GBP
Retailer 13£660 GBP
Retailer 12£726 GBP
Retailer 4£852 GBP
Retailer 9£910 GBP
Retailer 16£917 GBP
Retailer 14£937 GBP
Retailer 6£956 GBP
Retailer 7£1,311 GBP

41 data points across 17 retailers

27 retailers£165 GBP to £1,674 GBP

A
Cheapest Retailer
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£165 GBP
Retailer 2
-
£174 GBP
View
Price last confirmed 27 days ago
Retailer 3
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£174 GBP
View
Price last confirmed 35 days ago
A
Retailer 4
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£192 GBP
View
Final sale: no returns
Retailer 5
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£202 GBP
View
Price last confirmed 38 days ago
Retailer 6
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£213 GBP
View
Price last confirmed 36 days ago
Retailer 7
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£216 GBP
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Price last confirmed 32 days ago
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Retailer 8
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£313 GBP
View
A
Retailer 9
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£319 GBP
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A
Retailer 10
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£376 GBP
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A
Retailer 11
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£394 GBP
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A
Retailer 12
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£412 GBP
View
A
Retailer 13
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£424 GBP
View
A
Retailer 14
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£449 GBP
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A
Retailer 15
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£497 GBP
View
Retailer 16
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£580 GBP
View
Price last confirmed 7 days ago
B+
Retailer 17
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£660 GBP
View
B+
Retailer 18
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£726 GBP
View
Retailer 19
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£767 GBP
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Price last confirmed 35 days ago
Retailer 20
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£767 GBP
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Price last confirmed 25 days ago
B+
Retailer 21
-
£852 GBP
View
Retailer 22
-
£910 GBP
View
Price last confirmed 30 days ago
B
Retailer 23
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£917 GBP
View
B
Retailer 24
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£937 GBP
View
B+
Retailer 25
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£956 GBP
View
B
Retailer 26
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£1,311 GBP
View
Most Expensive
B
Do Amore Diamonds
27-2B7A88A70 · Nov 4
£1,674 GBP
$2,260 USD
View
26 more retailers have this diamond
Prices start from £165 GBPSave up to £1,509 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 Radiant
£165 GBP