Radiant|Lab Grown|IGI

1.51ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG720545836

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

Certificate IGI LG720545836

Diamond specifications and retailer prices

From £170 GBP
$226 USD
As of October 27, 2026
Save £1,775 GBP (91%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,945 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG720545836 or 720545836. Listed at 23 retailers as of October 27, 2026, with prices from £170 to £1,945, a £1,775 spread on the same certified stone. Brilliant Earth lists it at £1,945. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.3°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720545836
Dimensions8.00 × 5.66 × 3.79 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.00 mm5.66 mm1.51 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720545836
Side View
Table 64.0%Crown 50.3°Girdle: MediumPavilion 33.6°Culet: NoneDepth 67.0%

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 27
Current: £1,945 GBP|Low: £170 GBP|High: £1,945 GBP|Avg: £508 GBP
Brilliant Earth
Retailer 2
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October 29, 2026
Retailer 4£170 GBP
Retailer 7£189 GBP
Retailer 14£197 GBP
Retailer 19£210 GBP
Retailer 23£210 GBP
Retailer 2£223 GBP
Retailer 10£284 GBP
Retailer 17£361 GBP
Retailer 21£362 GBP
Retailer 16£368 GBP
Retailer 13£390 GBP
Retailer 5£400 GBP
Retailer 6£460 GBP
Retailer 18£491 GBP
Retailer 3£549 GBP
Retailer 12£638 GBP
Retailer 22£675 GBP
Retailer 8£715 GBP
Retailer 11£742 GBP
Retailer 20£843 GBP
Retailer 15£855 GBP
Retailer 9£958 GBP
Brilliant Earth£1,945 GBP

25 data points across 23 retailers

23 retailers£170 GBP to £1,945 GBP

A
Cheapest Retailer
-
£170 GBP
$226 USD
A
Retailer 2
-
£189 GBP
$252 USD
View
Final sale: no returns
A
Retailer 3
-
£197 GBP
$262 USD
View
A
Retailer 4
-
£210 GBP
$280 USD
View
A
Retailer 5
-
£210 GBP
$280 USD
View
A
Retailer 6
-
£223 GBP
View
B+
Retailer 7
-
£284 GBP
$378 USD
View
A
Retailer 8
-
£361 GBP
ZAR 7,764 ZAR
View
A
Retailer 9
-
£362 GBP
€459 EUR
View
A
Retailer 10
-
£368 GBP
$490 USD
View
Price last confirmed 10 days ago
A
Retailer 11
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£390 GBP
View
A
Retailer 12
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£400 GBP
$533 USD
View
A
Retailer 13
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£460 GBP
$613 USD
View
A
Retailer 14
-
£491 GBP
A$1,005 AUD
View
B+
Retailer 15
-
£549 GBP
$731 USD
View
B+
Retailer 16
-
£638 GBP
$850 USD
View
B+
Retailer 17
-
£675 GBP
$899 USD
View
B+
Retailer 18
-
£715 GBP
$952 USD
View
B+
Retailer 19
-
£742 GBP
SGD 1,336 SGD
View
B+
Retailer 20
-
£843 GBP
View
B+
Retailer 21
-
£855 GBP
$1,139 USD
View
B+
Retailer 22
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£958 GBP
$1,275 USD
View
Most Expensive
B
Brilliant Earth
16345830A · Oct 27
£1,945 GBP
$2,590 USD
View
22 more retailers have this diamond
Prices start from £170 GBPSave up to £1,775 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
£170 GBP