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Round|Lab Grown|IGI

1.55ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG845634808

Shape and cutting style on the report: Round brilliant

Certificate IGI LG845634808

Diamond specifications and retailer prices

From £165 GBP
$222 USD
As of November 1, 2026
Save £682 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £847 GBP at With Clarity · As of November 3, 2026
View at With Clarity

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 LG845634808 or 845634808. Listed at 20 retailers as of November 1, 2026, with prices from £165 to £847, a £682 spread on the same certified stone. With Clarity lists it at £847. 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 angle34.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845634808
Dimensions7.39 × 7.42 × 4.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm7.42 mm1.55 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845634808
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.3%

Caratlytics Score

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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: £836 GBP|Low: £165 GBP|High: £867 GBP|Avg: £469 GBP|+8.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
November 2, 2026
Retailer 10£165 GBP
Retailer 7£192 GBP
Retailer 6£206 GBP
Retailer 11£208 GBP
Retailer 2£229 GBP
Retailer 3£277 GBP
Retailer 14£314 GBP
Retailer 13£338 GBP
Retailer 16£355 GBP
Retailer 15£378 GBP
Retailer 19£396 GBP
Retailer 4£455 GBP
Retailer 12£480 GBP
Retailer 18£504 GBP
Retailer 5£660 GBP
Retailer 9£676 GBP
Retailer 8£699 GBP
Retailer 17£823 GBP
Retailer 1£836 GBP
With Clarity£847 GBP

18 data points across 20 retailers

20 retailers£165 GBP to £847 GBP

A
Cheapest Retailer
-
£165 GBP
$222 USD
A
Retailer 2
-
£192 GBP
$258 USD
View
A
Retailer 3
-
£206 GBP
$276 USD
View
Retailer 4
-
£208 GBP
$279 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£229 GBP
HK$2,400 HKD
View
B+
Retailer 6
-
£277 GBP
$372 USD
View
A
Retailer 7
-
£314 GBP
View
A
Retailer 8
-
£338 GBP
€432 EUR
View
A
Retailer 9
-
£355 GBP
ZAR 7,686 ZAR
View
A
Retailer 10
-
£378 GBP
View
A
Retailer 11
-
£396 GBP
$531 USD
View
B+
Retailer 12
-
£455 GBP
$611 USD
View
B+
Retailer 13
-
£480 GBP
A$991 AUD
View
B+
Retailer 14
-
£504 GBP
$677 USD
View
B+
Retailer 15
-
£660 GBP
$886 USD
View
B+
Retailer 16
-
£676 GBP
SGD 1,226 SGD
View
B+
Retailer 17
-
£699 GBP
$939 USD
View
B
Retailer 18
-
£823 GBP
View
B
Retailer 19
-
£836 GBP
$1,122 USD
View
Most Expensive
B
With Clarity
845634808 · Nov 3
£847 GBP
$1,137 USD
View
19 more retailers have this diamond
Prices start from £165 GBPSave up to £682 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