Radiant|Lab Grown|IGI

1.51ct D VVS2 Radiant Lab Grown Diamond

EX • D/VVS2 • IGI LG663403576

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

Certificate IGI LG663403576

Diamond specifications and retailer prices

From £165 GBP
As of November 4, 2026
Save £1,420 GBP (90%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: £1,793 GBP at Brilliant Earth · As of October 28, 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 D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG663403576 or 663403576. Listed at 31 retailers as of November 4, 2026, with a 860% 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

1.51
Carat
D
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG663403576
Dimensions5.83 × 5.83 × 3.77 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.83 mm5.83 mm1.51 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG663403576
Side View
Table 64.0%Crown 43°Girdle: MediumPavilion 33.3°Culet: NoneDepth 64.7%

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: £1,793 GBP|Low: £165 GBP|High: £1,889 GBP|Avg: £658 GBP|-5.1%
Brilliant Earth
Retailer 2
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Retailer 22
November 5, 2026
Retailer 4£165 GBP
Retailer 20£192 GBP
Retailer 22£259 GBP
Retailer 12£313 GBP
Retailer 5£320 GBP
Retailer 7£329 GBP
Retailer 18£376 GBP
Retailer 17£390 GBP
Retailer 11£392 GBP
Retailer 2£424 GBP
Retailer 10£497 GBP
Retailer 16£528 GBP
Retailer 3£660 GBP
Retailer 19£789 GBP
Retailer 8£832 GBP
Retailer 14£852 GBP
Retailer 13£901 GBP
Retailer 15£917 GBP
Retailer 6£937 GBP
Retailer 21£967 GBP
Retailer 9£1,585 GBP
Brilliant Earth£1,793 GBP

36 data points across 22 retailers

31 retailers£165 GBP to £1,585 GBP

A
Cheapest Retailer
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£165 GBP
Retailer 2
-
£165 GBP
View
Price last confirmed 28 days ago
Retailer 3
-
£176 GBP
View
Price last confirmed 36 days ago
A
Retailer 4
-
£192 GBP
View
Final sale: no returns
Retailer 5
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£204 GBP
View
Price last confirmed 39 days ago
Retailer 6
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£204 GBP
View
Price last confirmed 33 days ago
Retailer 7
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£215 GBP
View
Price last confirmed 37 days ago
A
Retailer 8
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£313 GBP
View
B+
Retailer 9
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£320 GBP
View
A
Retailer 10
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£329 GBP
View
A
Retailer 11
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£376 GBP
View
A
Retailer 12
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£390 GBP
View
A
Retailer 13
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£392 GBP
View
Retailer 14
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£418 GBP
View
Price last confirmed 21 days ago
A
Retailer 15
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£424 GBP
View
B+
Retailer 16
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£497 GBP
View
B+
Retailer 17
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£528 GBP
View
B+
Retailer 18
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£660 GBP
View
B+
Retailer 19
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£726 GBP
View
Retailer 20
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£726 GBP
View
Price last confirmed 26 days ago
B+
Retailer 21
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£747 GBP
View
Retailer 22
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£773 GBP
View
Price last confirmed 36 days ago
B+
Retailer 23
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£789 GBP
View
B
Retailer 24
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£832 GBP
View
B
Retailer 25
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£852 GBP
View
B+
Retailer 26
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£901 GBP
View
B
Retailer 27
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£917 GBP
View
B
Retailer 28
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£937 GBP
View
Retailer 29
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£967 GBP
View
Price last confirmed 8 days ago
B
Retailer 30
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£1,585 GBP
View
Most Expensive
Brilliant Earth
21476762Y · Oct 28
£1,793 GBP
$2,420 USD
View
Price last confirmed 7 days ago
30 more retailers have this diamond
Prices start from £165 GBPSave up to £1,420 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
£165 GBP