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Round|Lab Grown|IGI

1.04ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG781611909

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781611909

Diamond specifications and retailer prices

From £139 GBP
$187 USD
As of October 27, 2026
Save £381 GBP (73%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £797 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

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 LG781611909 or 781611909. Listed at 24 retailers as of October 27, 2026, with a 273% 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

1.04
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781611909
Dimensions6.56 × 6.53 × 3.97 mm
L/W Ratio1.00
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
6.56 mm6.53 mm1.04 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781611909
Side View
Table 58.0%Crown 33.2°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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: Oct 27
Current: £357 GBP|Low: £119 GBP|High: £797 GBP|Avg: £348 GBP
Retailer 1
Retailer 2
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Retailer 4
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Retailer 7
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Retailer 11
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Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Reve Diamonds
October 31, 2026
Retailer 9£120 GBP
Retailer 7£133 GBP
Retailer 20£139 GBP
Retailer 4£149 GBP
Retailer 6£149 GBP
Retailer 2£227 GBP
Retailer 12£256 GBP
Retailer 16£261 GBP
Retailer 5£270 GBP
Retailer 15£289 GBP
Retailer 11£298 GBP
Retailer 3£330 GBP
Retailer 1£357 GBP
Retailer 17£363 GBP
Retailer 19£409 GBP
Retailer 14£421 GBP
Retailer 10£479 GBP
Retailer 13£499 GBP
Retailer 8£520 GBP
Retailer 18£697 GBP
Reve Diamonds£797 GBP

39 data points across 21 retailers

24 retailers£139 GBP to £520 GBP

Retailer 1
-
£120 GBP
$161 USD
Price last confirmed 7 days ago
Retailer 2
-
£124 GBP
$166 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
£139 GBP
$187 USD
View
Retailer 4
-
£149 GBP
$200 USD
View
Price last confirmed 8 days ago
Retailer 5
-
£149 GBP
$200 USD
View
Price last confirmed 10 days ago
Retailer 6
-
£151 GBP
$203 USD
View
Price last confirmed 41 days ago
A
Retailer 7
-
£227 GBP
$304 USD
View
A
Retailer 8
-
£256 GBP
ZAR 5,546 ZAR
View
B+
Retailer 9
-
£261 GBP
View
Retailer 10
-
£270 GBP
$362 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£289 GBP
€369 EUR
View
Retailer 12
-
£298 GBP
$400 USD
View
Price last confirmed 26 days ago
Retailer 13
-
£330 GBP
$443 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
£357 GBP
A$738 AUD
View
Retailer 15
-
£363 GBP
A$750 AUD
View
Price last confirmed 7 days ago
Retailer 16
-
£402 GBP
$540 USD
View
Price last confirmed 7 days ago
B+
Retailer 17
-
£409 GBP
$549 USD
View
B+
Retailer 18
-
£421 GBP
A$869 AUD
View
Retailer 19
-
£479 GBP
$643 USD
View
Price last confirmed 9 days ago
Retailer 20
-
£494 GBP
$663 USD
View
Price last confirmed 42 days ago
B
Retailer 21
-
£509 GBP
$683 USD
View
B
Retailer 22
-
£520 GBP
$698 USD
View
Retailer 23
-
£697 GBP
View
Price last confirmed 7 days ago
Most Expensive
Reve Diamonds
9F9CF9D43 · Oct 25
£797 GBP
$1,070 USD
View
Price last confirmed 8 days ago
23 more retailers have this diamond
Prices start from £139 GBPSave up to £381 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
£139 GBP