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Round|Lab Grown|IGI

1.04ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG662408451

Shape and cutting style on the report: Round brilliant

Certificate IGI LG662408451

Diamond specifications and retailer prices

From £161 GBP
As of November 5, 2026
Save £869 GBP (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,281 GBP at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG662408451 or 662408451. Listed at 25 retailers as of November 3, 2026, with a 541% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662408451
Dimensions6.53 × 6.50 × 4.01 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
6.53 mm6.50 mm1.04 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662408451
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.5%

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 5
Current: £1,030 GBP|Low: £161 GBP|High: £1,385 GBP|Avg: £482 GBP|-25.7%
Brilliant Earth
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
Retailer 17
Retailer 18
November 5, 2026
Retailer 3£161 GBP
Retailer 10£172 GBP
Retailer 5£199 GBP
Retailer 4£241 GBP
Retailer 13£300 GBP
Retailer 14£307 GBP
Retailer 2£321 GBP
Retailer 18£355 GBP
Retailer 6£356 GBP
Retailer 15£399 GBP
Retailer 16£428 GBP
Retailer 12£434 GBP
Retailer 8£484 GBP
Retailer 17£545 GBP
Retailer 7£612 GBP
Retailer 9£670 GBP
Retailer 11£830 GBP
Brilliant Earth£1,030 GBP

40 data points across 18 retailers

25 retailers£161 GBP to £1,030 GBP

Retailer 1
-
£148 GBP
Price last confirmed 18 days ago
A
Retailer 2
-
£161 GBP
View
Final sale: no returns
Retailer 3
-
£172 GBP
View
Price last confirmed 16 days ago
Retailer 4
-
£184 GBP
View
Price last confirmed 20 days ago
Retailer 5
-
£184 GBP
View
Price last confirmed 17 days ago
Retailer 6
-
£185 GBP
View
Price last confirmed 51 days ago
A
Retailer 7
-
£199 GBP
View
A
Retailer 8
-
£241 GBP
View
A
Retailer 9
-
£300 GBP
View
A
Retailer 10
-
£307 GBP
View
A
Retailer 11
-
£321 GBP
View
B+
Retailer 12
-
£355 GBP
View
B+
Retailer 13
-
£356 GBP
View
B+
Retailer 14
-
£399 GBP
View
B+
Retailer 15
-
£428 GBP
View
B+
Retailer 16
-
£434 GBP
View
Retailer 17
-
£454 GBP
View
Price last confirmed 8 days ago
B+
Retailer 18
-
£484 GBP
View
Retailer 19
-
£545 GBP
View
Price last confirmed 8 days ago
Retailer 20
-
£590 GBP
View
Price last confirmed 18 days ago
B+
Retailer 21
-
£612 GBP
View
Retailer 22
-
£670 GBP
View
Price last confirmed 11 days ago
B
Retailer 23
-
£830 GBP
View
B
Retailer 24
-
£1,030 GBP
View
Most Expensive
Brilliant Earth
12191509A · Oct 22
£1,281 GBP
$1,730 USD
View
Price last confirmed 13 days ago
24 more retailers have this diamond
Prices start from £161 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
1.04ct Round
£161 GBP