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Radiant|Lab Grown|IGI

1.55ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG678546237

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

Certificate IGI LG678546237

Diamond specifications and retailer prices

From £143 GBP
$192 USD
As of October 30, 2026
Save £700 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £843 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678546237 or 678546237. Listed at 18 retailers as of October 30, 2026, with prices from £143 to £843, a £700 spread on the same certified stone. Brilliant Earth lists it at £843. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678546237
Dimensions8.44 × 5.78 × 3.88 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm5.78 mm1.55 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678546237
Side View
Table 63.0%Crown 37.2°Girdle: MediumPavilion 36°Culet: NoneDepth 67.1%

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 30
Current: £843 GBP|Low: £137 GBP|High: £1,127 GBP|Avg: £424 GBP|-25.2%
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
October 31, 2026
Retailer 15£143 GBP
Retailer 14£160 GBP
Retailer 6£166 GBP
Retailer 3£178 GBP
Retailer 12£178 GBP
Retailer 11£209 GBP
Retailer 2£307 GBP
Retailer 5£310 GBP
Retailer 8£323 GBP
Retailer 7£371 GBP
Retailer 4£571 GBP
Retailer 9£572 GBP
Retailer 13£738 GBP
Retailer 10£834 GBP
Brilliant Earth£843 GBP

43 data points across 15 retailers

18 retailers£143 GBP to £843 GBP

A
Cheapest Retailer
-
£143 GBP
$192 USD
A
Retailer 2
-
£160 GBP
$214 USD
View
Final sale: no returns
A
Retailer 3
-
£166 GBP
$223 USD
View
A
Retailer 4
-
£178 GBP
$238 USD
View
A
Retailer 5
-
£178 GBP
$238 USD
View
Retailer 6
-
£209 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
£307 GBP
€392 EUR
View
B+
Retailer 8
-
£310 GBP
$415 USD
View
A
Retailer 9
-
£323 GBP
View
A
Retailer 10
-
£371 GBP
$497 USD
View
A
Retailer 11
-
£378 GBP
$506 USD
View
B+
Retailer 12
-
£554 GBP
View
B+
Retailer 13
-
£571 GBP
$765 USD
View
B+
Retailer 14
-
£572 GBP
$767 USD
View
B+
Retailer 15
-
£611 GBP
$818 USD
View
B
Retailer 16
-
£738 GBP
$989 USD
View
B
Retailer 17
-
£834 GBP
View
Most Expensive
B
Brilliant Earth
15181583A · Oct 31
£843 GBP
$1,130 USD
View
17 more retailers have this diamond
Prices start from £143 GBPSave up to £700 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
£143 GBP