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Round|Lab Grown|IGI

1.55ct F VVS2 Round Lab Grown Diamond

ID • F/VVS2 • IGI LG776642784

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776642784

Diamond specifications and retailer prices

From £165 GBP
$222 USD
As of November 1, 2026
Save £671 GBP (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,513 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG776642784 or 776642784. Listed at 22 retailers as of October 31, 2026, with a 405% 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776642784
Dimensions4.56 × 7.42 × 7.45 mm
L/W Ratio1.63
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.56 mm7.42 mm1.55 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776642784
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.4%

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 1
Current: £1,513 GBP|Low: £165 GBP|High: £1,513 GBP|Avg: £515 GBP
Brilliant Earth
Retailer 2
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Retailer 21
November 2, 2026
Retailer 9£165 GBP
Retailer 5£185 GBP
Retailer 4£192 GBP
Retailer 18£206 GBP
Retailer 12£206 GBP
Retailer 2£309 GBP
Retailer 6£351 GBP
Retailer 15£355 GBP
Retailer 13£378 GBP
Retailer 21£380 GBP
Retailer 3£452 GBP
Retailer 11£482 GBP
Retailer 20£541 GBP
Retailer 7£629 GBP
Retailer 19£660 GBP
Retailer 14£667 GBP
Retailer 8£699 GBP
Retailer 10£735 GBP
Retailer 16£823 GBP
Retailer 17£836 GBP
Brilliant Earth£1,513 GBP

23 data points across 21 retailers

22 retailers£165 GBP to £836 GBP

A
Cheapest Retailer
-
£165 GBP
$222 USD
A
Retailer 2
-
£185 GBP
$248 USD
View
Final sale: no returns
A
Retailer 3
-
£192 GBP
$258 USD
View
A
Retailer 4
-
£206 GBP
$276 USD
View
Retailer 5
-
£206 GBP
$277 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£309 GBP
View
A
Retailer 7
-
£351 GBP
$471 USD
View
A
Retailer 8
-
£355 GBP
ZAR 7,686 ZAR
View
A
Retailer 9
-
£378 GBP
View
A
Retailer 10
-
£380 GBP
$510 USD
View
B+
Retailer 11
-
£420 GBP
A$868 AUD
View
B+
Retailer 12
-
£452 GBP
$606 USD
View
B+
Retailer 13
-
£482 GBP
A$995 AUD
View
B+
Retailer 14
-
£541 GBP
$726 USD
View
B+
Retailer 15
-
£629 GBP
$844 USD
View
B+
Retailer 16
-
£660 GBP
$886 USD
View
B+
Retailer 17
-
£667 GBP
SGD 1,210 SGD
View
B+
Retailer 18
-
£699 GBP
$939 USD
View
B
Retailer 19
-
£735 GBP
A$1,518 AUD
View
B
Retailer 20
-
£823 GBP
View
B
Retailer 21
-
£836 GBP
$1,122 USD
View
Most Expensive
Brilliant Earth
21496204A · Oct 16
£1,513 GBP
$2,030 USD
View
Price last confirmed 17 days ago
21 more retailers have this diamond
Prices start from £165 GBPSave up to £671 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
£165 GBP