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Radiant|Lab Grown|IGI

1.20ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG733524933

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

Certificate IGI LG733524933

Diamond specifications and retailer prices

From £162 GBP
As of November 4, 2026
Save £1,490 GBP (90%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £1,652 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown radiant diamond

This 1.2ct 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 LG733524933 or 733524933. Listed at 31 retailers as of November 4, 2026, with prices from £162 to £1,652, a £1,490 spread on the same certified stone. Do Amore Diamonds lists it at £1,652. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.1°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733524933
Dimensions5.19 × 5.19 × 3.42 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
5.19 mm5.19 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733524933
Side View
Table 65.0%Crown 47.1°Girdle: MED-STKPavilion 33°Culet: NoneDepth 65.9%

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: Nov 4
Current: £1,652 GBP|Low: £162 GBP|High: £1,704 GBP|Avg: £714 GBP
Do Amore Diamonds
Retailer 2
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November 4, 2026
Retailer 16£162 GBP
Retailer 17£189 GBP
Retailer 14£199 GBP
Retailer 13£228 GBP
Retailer 2£313 GBP
Retailer 21£315 GBP
Retailer 4£371 GBP
Retailer 8£406 GBP
Retailer 3£417 GBP
Retailer 5£489 GBP
Retailer 10£572 GBP
Retailer 19£650 GBP
Retailer 18£716 GBP
Retailer 6£841 GBP
Retailer 12£890 GBP
Retailer 22£904 GBP
Retailer 20£930 GBP
Retailer 7£941 GBP
Retailer 15£1,286 GBP
Retailer 9£1,289 GBP
Retailer 11£1,363 GBP
Do Amore Diamonds£1,652 GBP

40 data points across 22 retailers

31 retailers£162 GBP to £1,652 GBP

A
Cheapest Retailer
-
£162 GBP
Retailer 2
-
£172 GBP
View
Price last confirmed 35 days ago
Retailer 3
-
£172 GBP
View
Price last confirmed 27 days ago
A
Retailer 4
-
£189 GBP
View
Final sale: no returns
Retailer 5
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£199 GBP
View
Price last confirmed 38 days ago
Retailer 6
-
£210 GBP
View
Price last confirmed 36 days ago
Retailer 7
-
£213 GBP
View
Price last confirmed 32 days ago
A
Retailer 8
-
£228 GBP
View
A
Retailer 9
-
£313 GBP
View
A
Retailer 10
-
£315 GBP
View
A
Retailer 11
-
£371 GBP
View
A
Retailer 12
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£390 GBP
View
A
Retailer 13
-
£406 GBP
View
A
Retailer 14
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£417 GBP
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A
Retailer 15
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£436 GBP
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Retailer 16
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£437 GBP
View
Price last confirmed 20 days ago
A
Retailer 17
-
£489 GBP
View
Retailer 18
-
£572 GBP
View
Price last confirmed 7 days ago
B+
Retailer 19
-
£650 GBP
View
B+
Retailer 20
-
£716 GBP
View
Retailer 21
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£756 GBP
View
Price last confirmed 35 days ago
Retailer 22
-
£756 GBP
View
Price last confirmed 25 days ago
B+
Retailer 23
-
£841 GBP
View
Retailer 24
-
£890 GBP
View
Price last confirmed 34 days ago
B
Retailer 25
-
£904 GBP
View
B+
Retailer 26
-
£930 GBP
View
B+
Retailer 27
-
£941 GBP
View
B
Retailer 28
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£1,286 GBP
View
B
Retailer 29
-
£1,289 GBP
View
Retailer 30
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£1,363 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
Do Amore Diamonds
27-4AA7BFD79 · Nov 4
£1,652 GBP
$2,230 USD
View
30 more retailers have this diamond
Prices start from £162 GBPSave up to £1,490 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
1.20ct Radiant
£162 GBP