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Round|Lab Grown|IGI

1.55ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG768680295

Shape and cutting style on the report: Round brilliant

Certificate IGI LG768680295

Diamond specifications and retailer prices

From £166 GBP
As of November 3, 2026
Save £773 GBP (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £978 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 LG768680295 or 768680295. Listed at 24 retailers as of November 3, 2026, with a 466% 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 angle34.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768680295
Dimensions7.38 × 7.45 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.38 mm7.45 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768680295
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £978 GBP|Low: £164 GBP|High: £978 GBP|Avg: £483 GBP
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 7
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Retailer 11
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Retailer 19
November 5, 2026
Retailer 9£166 GBP
Retailer 15£184 GBP
Retailer 17£192 GBP
Retailer 4£205 GBP
Retailer 5£205 GBP
Retailer 6£350 GBP
Retailer 19£352 GBP
Retailer 12£378 GBP
Retailer 14£387 GBP
Retailer 3£394 GBP
Retailer 18£427 GBP
Retailer 13£568 GBP
Retailer 10£660 GBP
Retailer 11£693 GBP
Retailer 8£699 GBP
Retailer 2£820 GBP
Retailer 16£836 GBP
Retailer 7£939 GBP
Brilliant Earth£978 GBP

44 data points across 19 retailers

24 retailers£166 GBP to £939 GBP

Retailer 1
-
£164 GBP
Price last confirmed 44 days ago
A
Retailer 2
-
£166 GBP
View
A
Retailer 3
-
£184 GBP
View
Final sale: no returns
A
Retailer 4
-
£192 GBP
View
Retailer 5
-
£201 GBP
View
Price last confirmed 44 days ago
A
Retailer 6
-
£205 GBP
View
Retailer 7
-
£205 GBP
View
Price last confirmed 11 days ago
A
Retailer 8
-
£350 GBP
View
A
Retailer 9
-
£352 GBP
View
A
Retailer 10
-
£378 GBP
View
A
Retailer 11
-
£387 GBP
View
A
Retailer 12
-
£394 GBP
View
B+
Retailer 13
-
£427 GBP
View
B
Retailer 14
-
£568 GBP
View
Retailer 15
-
£591 GBP
View
Price last confirmed 94 days ago
Retailer 16
-
£654 GBP
View
Price last confirmed 45 days ago
B
Retailer 17
-
£660 GBP
View
Retailer 18
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£693 GBP
View
Price last confirmed 11 days ago
B
Retailer 19
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£699 GBP
View
B
Retailer 20
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£773 GBP
View
B
Retailer 21
-
£820 GBP
View
B
Retailer 22
-
£836 GBP
View
B
Retailer 23
-
£939 GBP
View
Most Expensive
Brilliant Earth
18784264A · Oct 16
£978 GBP
$1,320 USD
View
Price last confirmed 19 days ago
23 more retailers have this diamond
Prices start from £166 GBPSave up to £773 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
£166 GBP