Radiant|Lab Grown|IGI

4.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG847660231

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

Certificate IGI LG847660231

Diamond specifications and retailer prices

From £873 GBP
As of October 30, 2026
Save £5,464 GBP (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,336 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG847660231 or 847660231. Listed at 10 retailers as of October 30, 2026, with prices from £873 to £6,336, a £5,464 spread on the same certified stone. Do Amore Diamonds lists it at £6,336. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847660231
Dimensions11.74 × 8.10 × 5.33 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.74 mm8.10 mm4.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847660231
Side View
Table 68.0%Crown 42.2°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £6,336 GBP|Low: £873 GBP|High: £7,702 GBP|Avg: £2,497 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 3£873 GBP
Retailer 5£922 GBP
Retailer 10£1,458 GBP
Retailer 4£1,473 GBP
Retailer 8£1,911 GBP
Retailer 9£3,116 GBP
Retailer 7£3,281 GBP
Retailer 6£3,571 GBP
Retailer 2£4,157 GBP
Do Amore Diamonds£6,336 GBP

5 data points across 10 retailers

10 retailers£873 GBP to £6,336 GBP

A
Cheapest Retailer
-
£873 GBP
A
Retailer 2
-
£922 GBP
$1,235 USD
View
Retailer 3
-
£1,458 GBP
$1,953 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
£1,473 GBP
$1,973 USD
View
Retailer 5
-
£1,911 GBP
$2,560 USD
View
Price last confirmed 9 days ago
Retailer 6
-
£3,116 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
£3,281 GBP
$4,396 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
£3,571 GBP
$4,785 USD
View
B
Retailer 9
-
£4,157 GBP
$5,570 USD
View
Most Expensive
B
Do Amore Diamonds
27-3B15485DB · Oct 30
£6,336 GBP
$8,490 USD
View
9 more retailers have this diamond
Prices start from £873 GBPSave up to £5,464 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
4.51ct Radiant
£873 GBP