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Round|Lab Grown|IGI

2.43ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG809651329

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809651329

Diamond specifications and retailer prices

From £368 GBP
$494 USD
As of November 1, 2026
Save £2,702 GBP (88%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £3,070 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 2.43ct lab-grown round diamond

This 2.43ct lab-grown round sits in the two to three carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809651329 or 809651329. Listed at 26 retailers as of November 1, 2026, with prices from £368 to £3,070, a £2,702 spread on the same certified stone. Brilliant Earth lists it at £3,070. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.43
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809651329
Dimensions8.62 × 8.56 × 5.33 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
8.62 mm8.56 mm2.43 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809651329
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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: £3,070 GBP|Low: £368 GBP|High: £3,070 GBP|Avg: £1,029 GBP
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
November 2, 2026
Retailer 6£368 GBP
Retailer 8£408 GBP
Retailer 12£514 GBP
Retailer 16£574 GBP
Retailer 15£649 GBP
Retailer 9£666 GBP
Retailer 5£668 GBP
Retailer 14£906 GBP
Retailer 7£945 GBP
Retailer 13£976 GBP
Retailer 2£984 GBP
Retailer 3£1,173 GBP
Retailer 4£1,428 GBP
Retailer 10£1,498 GBP
Retailer 11£2,444 GBP
Brilliant Earth£3,070 GBP

39 data points across 16 retailers

26 retailers£368 GBP to £3,070 GBP

Retailer 1
-
£329 GBP
$441 USD
Price last confirmed 23 days ago
Retailer 2
-
£329 GBP
$441 USD
View
Price last confirmed 41 days ago
A
Retailer 3
-
£368 GBP
$494 USD
View
Final sale: no returns
Retailer 4
-
£368 GBP
$494 USD
View
Price last confirmed 40 days ago
Retailer 5
-
£402 GBP
$540 USD
View
Price last confirmed 38 days ago
Retailer 6
-
£408 GBP
$547 USD
View
Price last confirmed 31 days ago
Retailer 7
-
£408 GBP
$547 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
£514 GBP
$690 USD
View
A
Retailer 9
-
£574 GBP
$770 USD
View
A
Retailer 10
-
£649 GBP
€829 EUR
View
A
Retailer 11
-
£666 GBP
View
A
Retailer 12
-
£668 GBP
$897 USD
View
A
Retailer 13
-
£906 GBP
A$1,870 AUD
View
A
Retailer 14
-
£945 GBP
$1,268 USD
View
A
Retailer 15
-
£976 GBP
$1,310 USD
View
A
Retailer 16
-
£984 GBP
ZAR 21,328 ZAR
View
B+
Retailer 17
-
£1,173 GBP
$1,574 USD
View
Retailer 18
-
£1,311 GBP
$1,759 USD
View
Price last confirmed 42 days ago
Retailer 19
-
£1,311 GBP
$1,759 USD
View
Price last confirmed 26 days ago
B+
Retailer 20
-
£1,336 GBP
$1,793 USD
View
B+
Retailer 21
-
£1,428 GBP
$1,916 USD
View
B+
Retailer 22
-
£1,463 GBP
$1,964 USD
View
B+
Retailer 23
-
£1,498 GBP
View
B+
Retailer 24
-
£1,527 GBP
$2,049 USD
View
B
Retailer 25
-
£2,444 GBP
$3,280 USD
View
Most Expensive
B
Brilliant Earth
20536443A · Nov 2
£3,070 GBP
$4,120 USD
View
25 more retailers have this diamond
Prices start from £368 GBPSave up to £2,702 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
2.43ct Round
£368 GBP