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Round|Lab Grown|IGI

1.02ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG801641803

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801641803

Diamond specifications and retailer prices

From £271 GBP
As of November 4, 2026
Save £684 GBP (72%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £956 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.02ct lab-grown round diamond

This 1.02ct 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 LG801641803 or 801641803. Listed at 23 retailers as of November 4, 2026, with prices from £271 to £956, a £684 spread on the same certified stone. Brilliant Earth lists it at £956. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801641803
Dimensions6.50 × 6.47 × 3.99 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
6.50 mm6.47 mm1.02 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801641803
Side View
Table 57.0%Crown 33.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £956 GBP|Low: £165 GBP|High: £1,170 GBP|Avg: £453 GBP|-15.7%
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
November 5, 2026
Retailer 4£168 GBP
Retailer 8£271 GBP
Retailer 3£287 GBP
Retailer 14£290 GBP
Retailer 9£298 GBP
Retailer 2£301 GBP
Retailer 6£342 GBP
Retailer 5£345 GBP
Retailer 15£360 GBP
Retailer 10£408 GBP
Retailer 13£409 GBP
Retailer 11£581 GBP
Retailer 7£663 GBP
Retailer 12£784 GBP
Brilliant Earth£956 GBP

33 data points across 15 retailers

23 retailers£271 GBP to £956 GBP

Retailer 1
-
£128 GBP
Price last confirmed 35 days ago
Retailer 2
-
£154 GBP
View
Price last confirmed 23 days ago
Retailer 3
-
£155 GBP
View
Price last confirmed 34 days ago
Retailer 4
-
£164 GBP
View
Price last confirmed 37 days ago
Retailer 5
-
£165 GBP
View
Price last confirmed 24 days ago
Retailer 6
-
£168 GBP
View
Price last confirmed 11 days ago
A
Retailer 7
-
£271 GBP
View
A
Retailer 8
-
£287 GBP
View
A
Retailer 9
-
£290 GBP
View
A
Retailer 10
-
£298 GBP
View
A
Retailer 11
-
£301 GBP
View
B+
Retailer 12
-
£342 GBP
View
B+
Retailer 13
-
£345 GBP
View
B+
Retailer 14
-
£360 GBP
View
B+
Retailer 15
-
£408 GBP
View
B+
Retailer 16
-
£409 GBP
View
Retailer 17
-
£533 GBP
View
Price last confirmed 37 days ago
Retailer 18
-
£535 GBP
View
Price last confirmed 11 days ago
Retailer 19
-
£570 GBP
View
Price last confirmed 8 days ago
B
Retailer 20
-
£581 GBP
View
Retailer 21
-
£663 GBP
View
Price last confirmed 32 days ago
B
Retailer 22
-
£784 GBP
View
Most Expensive
B
Brilliant Earth
19883295A · Nov 4
£956 GBP
$1,290 USD
View
22 more retailers have this diamond
Prices start from £271 GBPSave up to £684 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
1.02ct Round
£271 GBP