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Radiant|Lab Grown|IGI

1.17ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG640400206

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

Certificate IGI LG640400206

Diamond specifications and retailer prices

From £204 GBP
As of November 6, 2026
Save £1,612 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,815 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.17ct lab-grown radiant diamond

This 1.17ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG640400206 or 640400206. Listed at 22 retailers as of November 6, 2026, with prices from £204 to £1,815, a £1,612 spread on the same certified stone. Do Amore Diamonds lists it at £1,815. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.17
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640400206
Dimensions7.25 × 5.35 × 3.51 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.25 mm5.35 mm1.17 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640400206
Side View
Table 63.0%Crown 43°Girdle: MediumPavilion 34.2°Culet: NoneDepth 65.6%

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 6
Current: £1,815 GBP|Low: £204 GBP|High: £1,815 GBP|Avg: £705 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
November 7, 2026
Retailer 7£204 GBP
Retailer 6£237 GBP
Retailer 3£253 GBP
Retailer 5£253 GBP
Retailer 10£294 GBP
Retailer 13£370 GBP
Retailer 2£474 GBP
Retailer 9£491 GBP
Retailer 12£687 GBP
Retailer 15£721 GBP
Retailer 4£778 GBP
Retailer 8£899 GBP
Retailer 16£938 GBP
Retailer 11£1,118 GBP
Retailer 14£1,300 GBP
Do Amore Diamonds£1,815 GBP

35 data points across 16 retailers

22 retailers£204 GBP to £1,815 GBP

A
Cheapest Retailer
-
£204 GBP
A
Retailer 2
-
£230 GBP
View
Final sale: no returns
A
Retailer 3
-
£237 GBP
View
Retailer 4
-
£253 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£253 GBP
View
A
Retailer 6
-
£294 GBP
View
A
Retailer 7
-
£338 GBP
View
A
Retailer 8
-
£370 GBP
View
A
Retailer 9
-
£371 GBP
View
A
Retailer 10
-
£449 GBP
View
A
Retailer 11
-
£474 GBP
View
B+
Retailer 12
-
£491 GBP
View
B+
Retailer 13
-
£687 GBP
View
Retailer 14
-
£721 GBP
View
Price last confirmed 13 days ago
B
Retailer 15
-
£778 GBP
View
B
Retailer 16
-
£899 GBP
View
Retailer 17
-
£938 GBP
View
Price last confirmed 17 days ago
B
Retailer 18
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£1,021 GBP
View
B
Retailer 19
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£1,093 GBP
View
B
Retailer 20
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£1,118 GBP
View
B
Retailer 21
-
£1,300 GBP
View
Most Expensive
B
Do Amore Diamonds
27-795BF7B24 · Nov 6
£1,815 GBP
$2,430 USD
View
21 more retailers have this diamond
Prices start from £204 GBPSave up to £1,612 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
1.17ct Radiant
£204 GBP