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Round|Lab Grown|IGI

1.55ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG800608818

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800608818

Diamond specifications and retailer prices

From £164 GBP
$220 USD
As of November 1, 2026
Save £691 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £891 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG800608818 or 800608818. Listed at 12 retailers as of November 1, 2026, with a 421% 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800608818
Dimensions7.53 × 7.48 × 4.49 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
7.53 mm7.48 mm1.55 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800608818
Side View
Table 59.0%Crown 33.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.8%

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: £891 GBP|Low: £157 GBP|High: £910 GBP|Avg: £589 GBP|-2.2%
Rare Carat
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
November 2, 2026
Retailer 13£164 GBP
Retailer 5£190 GBP
Retailer 11£313 GBP
Retailer 9£342 GBP
Retailer 6£424 GBP
Retailer 4£449 GBP
Retailer 2£475 GBP
Retailer 16£654 GBP
Retailer 12£656 GBP
Retailer 7£696 GBP
Retailer 14£741 GBP
Retailer 8£768 GBP
Retailer 10£819 GBP
Retailer 15£823 GBP
Retailer 3£838 GBP
Rare Carat£891 GBP

30 data points across 16 retailers

12 retailers£164 GBP to £855 GBP

A
Cheapest Retailer
-
£164 GBP
$220 USD
A
Retailer 2
-
£190 GBP
$255 USD
View
A
Retailer 3
-
£342 GBP
€437 EUR
View
B+
Retailer 4
-
£449 GBP
$603 USD
View
B+
Retailer 5
-
£475 GBP
A$980 AUD
View
B
Retailer 6
-
£654 GBP
$877 USD
View
B
Retailer 7
-
£656 GBP
$880 USD
View
B
Retailer 8
-
£741 GBP
$995 USD
View
B
Retailer 9
-
£819 GBP
View
Retailer 10
-
£823 GBP
SGD 1,493 SGD
View
Price last confirmed 20 days ago
B
Retailer 11
-
£855 GBP
$1,147 USD
View
Most Expensive
Rare Carat
LGRD15-69752 · Oct 21
£891 GBP
$1,195 USD
View
Price last confirmed 12 days ago
11 more retailers have this diamond
Prices start from £164 GBPSave up to £691 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
£164 GBP