Radiant|Lab Grown|IGI

1.41ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816615396

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

Certificate IGI LG816615396

Diamond specifications and retailer prices

From £402 GBP
$539 USD
As of October 30, 2026
Save £1,650 GBP (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,370 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

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 LG816615396 or 816615396. Listed at 8 retailers as of October 30, 2026, with a 410% 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

1.41
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615396
Dimensions7.79 × 5.70 × 3.70 mm
L/W Ratio1.37
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
7.79 mm5.70 mm1.41 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615396
Side View
Table 70.0%Crown 46.5°Girdle: MediumPavilion 34.9°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,370 GBP|Low: £223 GBP|High: £3,112 GBP|Avg: £1,055 GBP|+2.5%
Rare Carat
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
October 30, 2026
Retailer 5£223 GBP
Retailer 4£249 GBP
Retailer 11£402 GBP
Retailer 8£422 GBP
Retailer 13£623 GBP
Retailer 14£644 GBP
Retailer 10£741 GBP
Retailer 3£796 GBP
Retailer 12£880 GBP
Retailer 7£1,073 GBP
Retailer 6£1,274 GBP
Retailer 9£1,724 GBP
Retailer 2£2,052 GBP
Rare Carat£2,370 GBP

16 data points across 14 retailers

8 retailers£402 GBP to £2,052 GBP

A
Cheapest Retailer
-
£402 GBP
$539 USD
A
Retailer 2
-
£422 GBP
$565 USD
View
B+
Retailer 3
-
£741 GBP
$993 USD
View
B+
Retailer 4
-
£880 GBP
$1,180 USD
View
B+
Retailer 5
-
£1,073 GBP
View
B
Retailer 6
-
£1,724 GBP
$2,310 USD
View
B
Retailer 7
-
£2,052 GBP
$2,750 USD
View
Most Expensive
Rare Carat
7488-U_l_800680098 · Oct 21
£2,370 GBP
$3,175 USD
View
Price last confirmed 9 days ago
7 more retailers have this diamond
Prices start from £402 GBPSave up to £1,650 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
£402 GBP