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Radiant|Lab Grown|IGI

1.51ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG662454450

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

Certificate IGI LG662454450

Diamond specifications and retailer prices

From £195 GBP
As of November 4, 2026
Save £1,536 GBP (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £1,731 GBP at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG662454450 or 662454450. Listed at 27 retailers as of November 4, 2026, with prices from £195 to £1,731, a £1,536 spread on the same certified stone. Do Amore Diamonds lists it at £1,731. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662454450
Dimensions8.02 × 5.66 × 3.77 mm
L/W Ratio1.42
Culet sizePointed
Top View
8.02 mm5.66 mm1.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662454450
Side View
Table 68.0%Crown 46.5°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 66.6%

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: Nov 4
Current: £1,887 GBP|Low: £187 GBP|High: £16,385 GBP|Avg: £754 GBP
Do Amore Diamonds
Retailer 2
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Retailer 19
November 5, 2026
Retailer 4£187 GBP
Retailer 8£218 GBP
Retailer 3£242 GBP
Retailer 2£308 GBP
Retailer 17£325 GBP
Retailer 7£337 GBP
Retailer 14£360 GBP
Retailer 19£456 GBP
Retailer 12£468 GBP
Retailer 6£620 GBP
Retailer 15£646 GBP
Retailer 18£695 GBP
Retailer 16£744 GBP
Retailer 5£953 GBP
Retailer 10£962 GBP
Retailer 11£981 GBP
Retailer 9£1,033 GBP
Retailer 13£1,068 GBP
Do Amore Diamonds£1,887 GBP

26 data points across 19 retailers

27 retailers£195 GBP to £1,731 GBP

Retailer 1
-
£187 GBP
Price last confirmed 35 days ago
A
Retailer 2
-
£195 GBP
View
Retailer 3
-
£195 GBP
View
Price last confirmed 29 days ago
A
Retailer 4
-
£218 GBP
View
Final sale: no returns
Retailer 5
-
£227 GBP
View
Price last confirmed 40 days ago
A
Retailer 6
-
£227 GBP
View
Retailer 7
-
£242 GBP
View
Price last confirmed 25 days ago
Retailer 8
-
£242 GBP
View
Price last confirmed 34 days ago
Retailer 9
-
£242 GBP
View
Price last confirmed 29 days ago
A
Retailer 10
-
£308 GBP
View
B+
Retailer 11
-
£325 GBP
View
A
Retailer 12
-
£337 GBP
View
A
Retailer 13
-
£360 GBP
View
Retailer 14
-
£456 GBP
View
Price last confirmed 29 days ago
A
Retailer 15
-
£468 GBP
View
B+
Retailer 16
-
£527 GBP
View
B+
Retailer 17
-
£646 GBP
View
Retailer 18
-
£695 GBP
View
Price last confirmed 28 days ago
B+
Retailer 19
-
£744 GBP
View
B
Retailer 20
-
£859 GBP
View
Retailer 21
-
£859 GBP
View
Price last confirmed 37 days ago
Retailer 22
-
£859 GBP
View
Price last confirmed 29 days ago
B
Retailer 23
-
£953 GBP
View
B
Retailer 24
-
£981 GBP
View
Retailer 25
-
£1,033 GBP
View
Price last confirmed 26 days ago
B
Retailer 26
-
£1,068 GBP
View
Most Expensive
B
Do Amore Diamonds
27-5DB0EFA4E · Nov 5
£1,731 GBP
$2,330 USD
View
26 more retailers have this diamond
Prices start from £195 GBPSave up to £1,536 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
1.51ct Radiant
£195 GBP