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Radiant|Lab Grown|IGI

1.55ct F VVS1 Radiant Lab Grown Diamond

EX • F/VVS1 • IGI LG756575281

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

Certificate IGI LG756575281

Diamond specifications and retailer prices

From £282 GBP
As of November 4, 2026
Save £1,122 GBP (80%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,404 GBP at Brilliant Earth · As of November 4, 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 F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG756575281 or 756575281. Listed at 6 retailers as of November 4, 2026, with prices from £282 to £1,404, a £1,122 spread on the same certified stone. Brilliant Earth lists it at £1,404. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756575281
Dimensions8.30 × 5.90 × 3.65 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
8.30 mm5.90 mm1.55 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756575281
Side View
Table 67.0%Crown 44.6°Girdle: MED-STKPavilion 33.3°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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: £1,404 GBP|Low: £282 GBP|High: £1,449 GBP|Avg: £630 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 6£282 GBP
Retailer 3£336 GBP
Retailer 7£474 GBP
Retailer 5£487 GBP
Retailer 2£764 GBP
Retailer 4£812 GBP
Brilliant Earth£1,404 GBP

12 data points across 7 retailers

6 retailers£282 GBP to £1,404 GBP

B+
Cheapest Retailer
-
£282 GBP
A
Retailer 2
-
£336 GBP
View
B+
Retailer 3
-
£487 GBP
View
B+
Retailer 4
-
£764 GBP
View
Retailer 5
-
£812 GBP
View
Price last confirmed 29 days ago
Most Expensive
B
Brilliant Earth
17517717A · Nov 4
£1,404 GBP
$1,890 USD
View
5 more retailers have this diamond
Prices start from £282 GBPSave up to £1,122 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
£282 GBP