Radiant|Lab Grown|IGI

4.51ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG674559768

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

Certificate IGI LG674559768

Diamond specifications and retailer prices

From £1,051 GBP
$1,408 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: £1,051 GBP at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 4.51ct lab-grown radiant diamond

This 4.51ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG674559768 or 674559768. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.51
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674559768
Dimensions7.72 × 7.72 × 12.07 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.72 mm7.72 mm4.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674559768
Side View
Table 64.0%Crown 46.8°Girdle: Slightly ThickPavilion 32°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
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Price History

Last verified: Oct 30
Current: £1,051 GBP|Low: £1,007 GBP|High: £8,434 GBP|Avg: £2,956 GBP|+4.4%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 12
September 23, 2026
B2C Jewels£1,051 GBP
Retailer 4£1,086 GBP
Retailer 5£1,148 GBP
Retailer 3£1,164 GBP
Retailer 6£1,533 GBP
Retailer 12£2,160 GBP
Retailer 7£2,753 GBP
Retailer 8£2,754 GBP
Retailer 11£3,708 GBP
Retailer 2£4,114 GBP
Retailer 10£7,471 GBP
Retailer 9£8,434 GBP

61 data points across 12 retailers

1 retailer

B+
B2C Jewels
27069619 · Oct 30
£1,051 GBP
$1,408 USD
View

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B+
4.51ct Radiant
£1,051 GBP