Radiant|Lab Grown|IGI

1.55ct I VS2 Radiant Lab Grown Diamond

EX • I/VS2 • IGI LG764632415

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

Certificate IGI LG764632415

Diamond specifications and retailer prices

From £316 GBP
$424 USD
As of November 1, 2026
Save £720 GBP (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,066 GBP at Brilliant Earth · As of October 13, 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG764632415 or 764632415. Listed at 9 retailers as of October 26, 2026, with a 228% 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

1.55
Carat
I
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.9°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764632415
Dimensions8.20 × 5.93 × 3.65 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm5.93 mm1.55 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764632415
Side View
Table 65.0%Crown 26.9°Girdle: MediumPavilion 33.1°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £1,036 GBP|Low: £231 GBP|High: £1,095 GBP|Avg: £578 GBP|-5.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4£304 GBP
Retailer 5£316 GBP
Retailer 7£316 GBP
Retailer 3£586 GBP
Retailer 9£624 GBP
Retailer 6£645 GBP
Retailer 8£715 GBP
Retailer 2£849 GBP
Brilliant Earth£1,036 GBP

18 data points across 9 retailers

9 retailers£316 GBP to £1,036 GBP

A
Cheapest Retailer
-
£316 GBP
$424 USD
B+
Retailer 2
-
£316 GBP
$424 USD
View
Retailer 3
-
£431 GBP
$579 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
£586 GBP
$786 USD
View
Retailer 5
-
£624 GBP
$837 USD
View
Price last confirmed 15 days ago
Retailer 6
-
£645 GBP
$865 USD
View
Price last confirmed 14 days ago
B
Retailer 7
-
£849 GBP
View
B
Retailer 8
-
£1,036 GBP
$1,390 USD
View
Most Expensive
Brilliant Earth
17346925A · Oct 13
£1,066 GBP
$1,430 USD
View
Price last confirmed 20 days ago
8 more retailers have this diamond
Prices start from £316 GBPSave up to £720 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
£316 GBP