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Round|Lab Grown|IGI

1.04ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG818640046

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818640046

Diamond specifications and retailer prices

From £133 GBP
$179 USD
As of November 1, 2026
Save £557 GBP (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £690 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.04ct lab-grown round diamond

This 1.04ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818640046 or 818640046. Listed at 23 retailers as of November 1, 2026, with prices from £133 to £690, a £557 spread on the same certified stone. MOH London lists it at £690. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818640046
Dimensions6.55 × 6.50 × 3.95 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.55 mm6.50 mm1.04 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818640046
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.5%

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 1
Current: £690 GBP|Low: £133 GBP|High: £706 GBP|Avg: £332 GBP|-1.4%
MOH London
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 14£133 GBP
Retailer 5£139 GBP
Retailer 15£200 GBP
Retailer 16£226 GBP
Retailer 2£254 GBP
Retailer 11£255 GBP
Retailer 9£259 GBP
Retailer 6£298 GBP
Retailer 8£348 GBP
Retailer 10£360 GBP
Retailer 12£361 GBP
Retailer 7£402 GBP
Retailer 4£404 GBP
Retailer 13£416 GBP
Retailer 3£515 GBP
MOH London£690 GBP

46 data points across 16 retailers

23 retailers£133 GBP to £690 GBP

Retailer 1
-
£120 GBP
$161 USD
Price last confirmed 15 days ago
Retailer 2
-
£121 GBP
$162 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
£133 GBP
$179 USD
View
Final sale: no returns
Retailer 4
-
£139 GBP
$186 USD
View
Price last confirmed 13 days ago
Retailer 5
-
£139 GBP
$187 USD
View
Price last confirmed 41 days ago
Retailer 6
-
£148 GBP
$198 USD
View
Price last confirmed 34 days ago
Retailer 7
-
£148 GBP
$199 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
£172 GBP
HK$1,800 HKD
View
B+
Retailer 9
-
£200 GBP
$268 USD
View
A
Retailer 10
-
£226 GBP
$303 USD
View
A
Retailer 11
-
£254 GBP
€325 EUR
View
A
Retailer 12
-
£255 GBP
ZAR 5,519 ZAR
View
A
Retailer 13
-
£259 GBP
View
Retailer 14
-
£298 GBP
$400 USD
View
Price last confirmed 26 days ago
B+
Retailer 15
-
£348 GBP
A$718 AUD
View
B+
Retailer 16
-
£360 GBP
A$743 AUD
View
B+
Retailer 17
-
£361 GBP
$484 USD
View
B+
Retailer 18
-
£402 GBP
$540 USD
View
B+
Retailer 19
-
£404 GBP
SGD 733 SGD
View
B+
Retailer 20
-
£416 GBP
A$858 AUD
View
Retailer 21
-
£480 GBP
$644 USD
View
Price last confirmed 33 days ago
B
Retailer 22
-
£515 GBP
$691 USD
View
Most Expensive
B
MOH London
LG818640046 · Nov 2
£690 GBP
View
22 more retailers have this diamond
Prices start from £133 GBPSave up to £557 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
1.04ct Round
£133 GBP