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Round|Lab Grown|IGI

1.05ct F VVS1 Round Lab Grown Diamond

ID • F/VVS1 • IGI LG654415049

Shape and cutting style on the report: Round brilliant

Certificate IGI LG654415049

Diamond specifications and retailer prices

From £127 GBP
As of November 3, 2026
Save £869 GBP (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £996 GBP at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG654415049 or 654415049. Listed at 24 retailers as of November 3, 2026, with prices from £127 to £996, a £869 spread on the same certified stone. Helzberg Diamonds lists it at £996. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654415049
Dimensions6.53 × 6.57 × 3.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.53 mm6.57 mm1.05 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654415049
Side View
Table 59.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £141 GBP|Low: £125 GBP|High: £814 GBP|Avg: £362 GBP|+0.5%
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Retailer 19
November 4, 2026
Retailer 10£127 GBP
Retailer 1£141 GBP
Retailer 5£156 GBP
Retailer 8£156 GBP
Retailer 14£270 GBP
Retailer 17£270 GBP
Retailer 3£271 GBP
Retailer 13£276 GBP
Retailer 15£276 GBP
Retailer 6£279 GBP
Retailer 19£360 GBP
Retailer 16£381 GBP
Retailer 4£452 GBP
Retailer 11£504 GBP
Retailer 2£519 GBP
Retailer 12£532 GBP
Retailer 9£544 GBP
Retailer 18£732 GBP
Retailer 7£814 GBP

32 data points across 19 retailers

24 retailers£127 GBP to £996 GBP

A
Cheapest Retailer
-
£127 GBP
A
Retailer 2
-
£141 GBP
View
Final sale: no returns
Retailer 3
-
£147 GBP
View
Price last confirmed 43 days ago
Retailer 4
-
£156 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
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£156 GBP
View
A
Retailer 6
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£270 GBP
View
A
Retailer 7
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£270 GBP
View
B+
Retailer 8
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£271 GBP
View
B+
Retailer 9
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£276 GBP
View
A
Retailer 10
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£276 GBP
View
B+
Retailer 11
-
£279 GBP
View
B+
Retailer 12
-
£360 GBP
View
B+
Retailer 13
-
£381 GBP
View
B+
Retailer 14
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£413 GBP
View
Retailer 15
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£452 GBP
View
Price last confirmed 17 days ago
B
Retailer 16
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£504 GBP
View
Retailer 17
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£504 GBP
View
Price last confirmed 44 days ago
B+
Retailer 18
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£519 GBP
View
B
Retailer 19
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£532 GBP
View
B
Retailer 20
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£541 GBP
View
B
Retailer 21
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£544 GBP
View
B
Retailer 22
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£732 GBP
View
B
Retailer 23
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£814 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZMLKKHLGKP · Nov 4
£996 GBP
$1,344 USD
View
23 more retailers have this diamond
Prices start from £127 GBPSave up to £869 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
1.05ct Round
£127 GBP