Radiant|Lab Grown|IGI

1.46ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG801694507

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

Certificate IGI LG801694507

Diamond specifications and retailer prices

From £274 GBP
$367 USD
As of October 30, 2026
Save £2,465 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,739 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801694507 or 801694507. Listed at 14 retailers as of October 30, 2026, with prices from £274 to £2,739, a £2,465 spread on the same certified stone. Brilliant Earth lists it at £2,739. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.46
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694507
Dimensions8.01 × 5.62 × 3.76 mm
L/W Ratio1.43
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
8.01 mm5.62 mm1.46 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694507
Side View
Table 63.0%Crown 42°Girdle: Slightly ThickPavilion 33.4°Culet: NoneDepth 66.9%

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: Oct 30
Current: £2,739 GBP|Low: £274 GBP|High: £3,941 GBP|Avg: £1,327 GBP|-30.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 8£274 GBP
Retailer 14£318 GBP
Retailer 2£387 GBP
Retailer 9£460 GBP
Retailer 5£504 GBP
Retailer 12£543 GBP
Retailer 4£628 GBP
Retailer 6£662 GBP
Retailer 11£996 GBP
Retailer 13£1,205 GBP
Retailer 7£1,473 GBP
Retailer 3£2,418 GBP
Retailer 10£2,433 GBP
Brilliant Earth£2,739 GBP

36 data points across 14 retailers

14 retailers£274 GBP to £2,739 GBP

A
Cheapest Retailer
-
£274 GBP
$367 USD
A
Retailer 2
-
£318 GBP
$426 USD
View
A
Retailer 3
-
£387 GBP
View
A
Retailer 4
-
£460 GBP
$616 USD
View
A
Retailer 5
-
£504 GBP
$675 USD
View
A
Retailer 6
-
£543 GBP
$728 USD
View
Retailer 7
-
£628 GBP
€801 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
£662 GBP
$887 USD
View
B+
Retailer 9
-
£996 GBP
$1,335 USD
View
B
Retailer 10
-
£1,205 GBP
$1,615 USD
View
B
Retailer 11
-
£1,473 GBP
View
Retailer 12
-
£2,418 GBP
$3,240 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
£2,433 GBP
$3,260 USD
View
Most Expensive
B
Brilliant Earth
21060256Y · Oct 30
£2,739 GBP
$3,670 USD
View
13 more retailers have this diamond
Prices start from £274 GBPSave up to £2,465 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
1.46ct Radiant
£274 GBP