Radiant|Lab Grown|IGI

1.46ct E IF Radiant Lab Grown Diamond

E/IF • IGI LG671437240

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

Certificate IGI LG671437240

Diamond specifications and retailer prices

From £1,000 GBP
$1,340 USD
As of October 30, 2026
Save £1,179 GBP (54%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,179 GBP at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 1.46ct lab-grown radiant diamond

This 1.46ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG671437240 or 671437240. Listed at 2 retailers as of October 30, 2026, with prices from £1,000 to £2,179, a £1,179 spread on the same certified stone. Kay Jewelers lists it at £2,179. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.46
Carat
E
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671437240
Dimensions7.72 × 5.69 mm
L/W Ratio1.36
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
7.72 mm5.69 mm1.46 ctE / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671437240
Side View
Table 65.0%Crown 44.5°Girdle: Slightly ThickPavilion 35.2°Culet: NoneDepth 68.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £2,179 GBP|Low: £1,000 GBP|High: £2,993 GBP|Avg: £2,059 GBP|-27.2%
Kay Jewelers
Retailer 2
September 28, 2026
Retailer 2£1,000 GBP
Kay Jewelers£2,179 GBP

5 data points across 2 retailers

2 retailers£1,000 GBP to £2,179 GBP

B
Cheapest Retailer
-
£1,000 GBP
$1,340 USD
Most Expensive
C
Kay Jewelers
255194955 · Oct 30
£2,179 GBP
$2,920 USD
View
1 more retailer has this diamond
Prices start from £1,000 GBPSave up to £1,179 GBP

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B
1.46ct Radiant
£1,000 GBP