CaratHunter
Plans
Round|Lab Grown|IGI

1.55ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG799642578

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799642578

Diamond specifications and retailer prices

From £161 GBP
As of November 3, 2026
Save £652 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,037 GBP at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799642578 or 799642578. Listed at 20 retailers as of November 3, 2026, with a 404% 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
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799642578
Dimensions7.48 × 7.52 × 4.53 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.48 mm7.52 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799642578
Side View
Table 59.0%Crown 33°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

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 3
Current: £1,037 GBP|Low: £161 GBP|High: £1,037 GBP|Avg: £468 GBP
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 10£161 GBP
Retailer 7£181 GBP
Retailer 4£187 GBP
Retailer 6£200 GBP
Retailer 18£200 GBP
Retailer 13£310 GBP
Retailer 17£342 GBP
Retailer 19£350 GBP
Retailer 2£366 GBP
Retailer 11£413 GBP
Retailer 15£444 GBP
Retailer 14£532 GBP
Retailer 3£642 GBP
Retailer 8£650 GBP
Retailer 16£678 GBP
Retailer 5£681 GBP
Retailer 12£799 GBP
Retailer 9£813 GBP
Brilliant Earth£1,037 GBP

31 data points across 19 retailers

20 retailers£161 GBP to £813 GBP

A
Cheapest Retailer
-
£161 GBP
A
Retailer 2
-
£181 GBP
View
Final sale: no returns
A
Retailer 3
-
£187 GBP
View
Retailer 4
-
£200 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
£200 GBP
View
A
Retailer 6
-
£310 GBP
View
B+
Retailer 7
-
£342 GBP
View
A
Retailer 8
-
£350 GBP
View
A
Retailer 9
-
£366 GBP
View
B+
Retailer 10
-
£413 GBP
View
A
Retailer 11
-
£444 GBP
View
B+
Retailer 12
-
£532 GBP
View
Retailer 13
-
£570 GBP
View
Price last confirmed 29 days ago
B+
Retailer 14
-
£642 GBP
View
B+
Retailer 15
-
£650 GBP
View
Retailer 16
-
£678 GBP
View
Price last confirmed 7 days ago
B+
Retailer 17
-
£681 GBP
View
B
Retailer 18
-
£799 GBP
View
B
Retailer 19
-
£813 GBP
View
Most Expensive
Brilliant Earth
21503330A · Oct 16
£1,037 GBP
$1,400 USD
View
Price last confirmed 19 days ago
19 more retailers have this diamond
Prices start from £161 GBPSave up to £652 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 Round
£161 GBP