Radiant|Lab Grown|IGI

1.55ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG640479794

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

Certificate IGI LG640479794

Diamond specifications and retailer prices

From £193 GBP
$258 USD
As of October 25, 2026
Save £1,128 GBP (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,321 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG640479794 or 640479794. Listed at 18 retailers as of October 25, 2026, with prices from £193 to £1,321, a £1,128 spread on the same certified stone. Brilliant Earth lists it at £1,321. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640479794
Dimensions8.07 × 5.70 × 3.84 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.07 mm5.70 mm1.55 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640479794
Side View
Table 66.0%Crown 32.3°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: £1,321 GBP|Low: £193 GBP|High: £1,508 GBP|Avg: £559 GBP|-12.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 14£193 GBP
Retailer 13£216 GBP
Retailer 9£332 GBP
Retailer 15£333 GBP
Retailer 2£355 GBP
Retailer 5£396 GBP
Retailer 4£440 GBP
Retailer 8£619 GBP
Retailer 11£622 GBP
Retailer 6£659 GBP
Retailer 7£705 GBP
Retailer 12£758 GBP
Retailer 10£773 GBP
Retailer 3£785 GBP
Brilliant Earth£1,321 GBP

38 data points across 15 retailers

18 retailers£193 GBP to £1,321 GBP

Retailer 1
-
£181 GBP
$242 USD
Price last confirmed 34 days ago
Retailer 2
-
£190 GBP
$255 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
£193 GBP
$258 USD
View
Retailer 4
-
£193 GBP
$258 USD
View
Price last confirmed 20 days ago
Retailer 5
-
£216 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
£332 GBP
€424 EUR
View
B+
Retailer 7
-
£333 GBP
$446 USD
View
A
Retailer 8
-
£355 GBP
View
A
Retailer 9
-
£396 GBP
$531 USD
View
A
Retailer 10
-
£440 GBP
$590 USD
View
B+
Retailer 11
-
£619 GBP
$830 USD
View
B
Retailer 12
-
£622 GBP
$833 USD
View
Retailer 13
-
£659 GBP
$883 USD
View
Price last confirmed 13 days ago
B+
Retailer 14
-
£700 GBP
View
B
Retailer 15
-
£758 GBP
$1,015 USD
View
B+
Retailer 16
-
£773 GBP
View
B
Retailer 17
-
£785 GBP
$1,052 USD
View
Most Expensive
B
Brilliant Earth
10761936A · Oct 31
£1,321 GBP
$1,770 USD
View
17 more retailers have this diamond
Prices start from £193 GBPSave up to £1,128 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
1.55ct Radiant
£193 GBP