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Radiant|Lab Grown|IGI

1.41ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800678839

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG800678839

Diamond specifications and retailer prices

From £564 GBP
HK$5,900 HKD
As of October 30, 2026
Save £2,571 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,135 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.41ct lab-grown radiant diamond

This 1.41ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800678839 or 800678839. Listed at 13 retailers as of October 29, 2026, with prices from £564 to £3,135, a £2,571 spread on the same certified stone. Brilliant Earth lists it at £3,135. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.41
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800678839
Dimensions8.34 × 5.60 × 3.53 mm
L/W Ratio1.49
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
8.34 mm5.60 mm1.41 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800678839
Side View
Table 63.0%Crown 38.2°Girdle: Slightly ThickPavilion 33.5°Culet: NoneDepth 63.0%

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 30
Current: £3,135 GBP|Low: £564 GBP|High: £3,239 GBP|Avg: £1,386 GBP|-3.2%
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
October 30, 2026
Retailer 3£564 GBP
Retailer 9£652 GBP
Retailer 13£694 GBP
Retailer 8£752 GBP
Retailer 2£765 GBP
Retailer 12£825 GBP
Retailer 6£845 GBP
Retailer 11£1,158 GBP
Retailer 4£1,456 GBP
Retailer 10£1,598 GBP
Retailer 7£2,056 GBP
Retailer 5£2,317 GBP
Brilliant Earth£3,135 GBP

42 data points across 13 retailers

13 retailers£564 GBP to £3,135 GBP

A
Cheapest Retailer
-
£564 GBP
HK$5,900 HKD
A
Retailer 2
-
£652 GBP
$873 USD
View
A
Retailer 3
-
£694 GBP
$930 USD
View
B+
Retailer 4
-
£752 GBP
€959 EUR
View
B+
Retailer 5
-
£765 GBP
View
B+
Retailer 6
-
£825 GBP
$1,105 USD
View
B+
Retailer 7
-
£845 GBP
ZAR 18,293 ZAR
View
B+
Retailer 8
-
£1,158 GBP
$1,551 USD
View
B
Retailer 9
-
£1,456 GBP
$1,951 USD
View
B
Retailer 10
-
£1,598 GBP
$2,141 USD
View
B
Retailer 11
-
£2,056 GBP
View
Retailer 12
-
£2,317 GBP
$3,104 USD
View
Price last confirmed 71 days ago
Most Expensive
B
Brilliant Earth
20673962A · Oct 29
£3,135 GBP
$4,200 USD
View
12 more retailers have this diamond
Prices start from £564 GBPSave up to £2,571 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
1.41ct Radiant
£564 GBP