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Radiant|Lab Grown|IGI

1.46ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG806618404

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

Certificate IGI LG806618404

Diamond specifications and retailer prices

From £136 GBP
$182 USD
As of October 30, 2026
Save £658 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £887 GBP at Flawless Fine Jewelry · As of October 11, 2026
View at Flawless Fine Jewelry

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG806618404 or 806618404. Listed at 18 retailers as of October 29, 2026, with a 484% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806618404
Dimensions8.07 × 5.79 × 3.67 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm5.79 mm1.46 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806618404
Side View
Table 62.0%Crown 32.7°Girdle: MediumPavilion 34.1°Culet: NoneDepth 63.4%

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: £887 GBP|Low: £134 GBP|High: £910 GBP|Avg: £404 GBP|-2.5%
Flawless Fine Jewelry
Retailer 2
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Retailer 4
Retailer 5
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Retailer 11
Retailer 12
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Retailer 19
October 31, 2026
Retailer 6£136 GBP
Retailer 9£152 GBP
Retailer 16£157 GBP
Retailer 4£169 GBP
Retailer 10£169 GBP
Retailer 5£227 GBP
Retailer 14£290 GBP
Retailer 3£298 GBP
Retailer 18£301 GBP
Retailer 2£305 GBP
Retailer 15£411 GBP
Retailer 8£416 GBP
Retailer 12£436 GBP
Retailer 19£473 GBP
Retailer 7£543 GBP
Retailer 11£583 GBP
Retailer 17£675 GBP
Retailer 13£793 GBP
Flawless Fine Jewelry£887 GBP

42 data points across 19 retailers

18 retailers£136 GBP to £793 GBP

A
Cheapest Retailer
-
£136 GBP
$182 USD
A
Retailer 2
-
£152 GBP
$203 USD
View
Final sale: no returns
A
Retailer 3
-
£157 GBP
$211 USD
View
A
Retailer 4
-
£169 GBP
$226 USD
View
A
Retailer 5
-
£169 GBP
$226 USD
View
Retailer 6
-
£227 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
£290 GBP
ZAR 6,272 ZAR
View
B+
Retailer 8
-
£298 GBP
$399 USD
View
A
Retailer 9
-
£305 GBP
View
A
Retailer 10
-
£411 GBP
A$848 AUD
View
A
Retailer 11
-
£416 GBP
$558 USD
View
A
Retailer 12
-
£436 GBP
$584 USD
View
B+
Retailer 13
-
£473 GBP
$634 USD
View
B+
Retailer 14
-
£543 GBP
$727 USD
View
B+
Retailer 15
-
£583 GBP
$781 USD
View
Retailer 16
-
£675 GBP
$905 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
£793 GBP
View
Most Expensive
Flawless Fine Jewelry
F823DC296 · Oct 11
£887 GBP
View
Price last confirmed 19 days ago
17 more retailers have this diamond
Prices start from £136 GBPSave up to £658 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
£136 GBP