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Round|Lab Grown|IGI

1.24ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG838645064

Shape and cutting style on the report: Round brilliant

Certificate IGI LG838645064

Diamond specifications and retailer prices

From £246 GBP
$329 USD
As of October 29, 2026
Save £1,822 GBP (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,067 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.24ct lab-grown round diamond

This 1.24ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG838645064 or 838645064. Listed at 24 retailers as of October 29, 2026, with prices from £246 to £2,067, a £1,822 spread on the same certified stone. Brilliant Earth lists it at £2,067. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.24
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838645064
Dimensions6.91 × 6.93 × 4.25 mm
L/W Ratio1.00
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
6.91 mm6.93 mm1.24 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838645064
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.4%

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: Oct 29
Current: £485 GBP|Low: £236 GBP|High: £1,275 GBP|Avg: £673 GBP|-1.0%
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Retailer 23
October 30, 2026
Retailer 3£246 GBP
Retailer 5£285 GBP
Retailer 9£304 GBP
Retailer 2£305 GBP
Retailer 8£305 GBP
Retailer 14£454 GBP
Retailer 17£475 GBP
Retailer 20£478 GBP
Retailer 23£484 GBP
Retailer 1£485 GBP
Retailer 22£496 GBP
Retailer 18£524 GBP
Retailer 12£544 GBP
Retailer 7£573 GBP
Retailer 13£656 GBP
Retailer 4£980 GBP
Retailer 10£1,013 GBP
Retailer 11£1,080 GBP
Retailer 16£1,099 GBP
Retailer 21£1,157 GBP
Retailer 6£1,199 GBP
Retailer 19£1,224 GBP
Retailer 15£1,275 GBP

27 data points across 23 retailers

24 retailers£246 GBP to £2,067 GBP

A
Cheapest Retailer
-
£246 GBP
$329 USD
A
Retailer 2
-
£285 GBP
$382 USD
View
A
Retailer 3
-
£304 GBP
$407 USD
View
Final sale: no returns
A
Retailer 4
-
£305 GBP
$408 USD
View
A
Retailer 5
-
£305 GBP
$408 USD
View
A
Retailer 6
-
£454 GBP
$608 USD
View
A
Retailer 7
-
£475 GBP
€606 EUR
View
B+
Retailer 8
-
£478 GBP
$640 USD
View
A
Retailer 9
-
£484 GBP
$648 USD
View
A
Retailer 10
-
£485 GBP
View
B+
Retailer 11
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£496 GBP
$665 USD
View
B+
Retailer 12
-
£524 GBP
ZAR 11,338 ZAR
View
B+
Retailer 13
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£544 GBP
View
B+
Retailer 14
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£573 GBP
$768 USD
View
B+
Retailer 15
-
£656 GBP
$878 USD
View
B
Retailer 16
-
£980 GBP
$1,313 USD
View
B
Retailer 17
-
£1,013 GBP
$1,357 USD
View
B
Retailer 18
-
£1,080 GBP
CA$2,010 CAD
View
B
Retailer 19
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£1,099 GBP
$1,473 USD
View
Retailer 20
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£1,157 GBP
$1,550 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
£1,199 GBP
$1,606 USD
View
B+
Retailer 22
-
£1,224 GBP
View
B
Retailer 23
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£1,275 GBP
$1,709 USD
View
Most Expensive
B
Brilliant Earth
21790421A · Oct 29
£2,067 GBP
$2,770 USD
View
23 more retailers have this diamond
Prices start from £246 GBPSave up to £1,822 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
1.24ct Round
£246 GBP