Radiant|Lab Grown|IGI

1.01ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784644955

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

Certificate IGI LG784644955

Diamond specifications and retailer prices

From £146 GBP
$195 USD
As of October 30, 2026
Save £1,250 GBP (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,582 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant 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 LG784644955 or 784644955. Listed at 14 retailers as of October 30, 2026, with a 859% 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

1.01
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644955
Dimensions7.29 × 4.98 × 3.20 mm
L/W Ratio1.46
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
7.29 mm4.98 mm1.01 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644955
Side View
Table 67.0%Crown 38.2°Girdle: Slightly ThickPavilion 33.1°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A+
Exceptional
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: £1,582 GBP|Low: £146 GBP|High: £2,000 GBP|Avg: £733 GBP|+9.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 7£146 GBP
Retailer 3£252 GBP
Retailer 8£290 GBP
Retailer 11£315 GBP
Retailer 12£329 GBP
Retailer 4£343 GBP
Retailer 2£350 GBP
Retailer 10£582 GBP
Retailer 6£803 GBP
Retailer 5£1,105 GBP
Retailer 9£1,396 GBP
Rare Carat£1,582 GBP

27 data points across 12 retailers

14 retailers£146 GBP to £1,396 GBP

A+
Cheapest Retailer
-
£146 GBP
$195 USD
Retailer 2
-
£200 GBP
$268 USD
View
Price last confirmed 31 days ago
Retailer 3
-
£232 GBP
$311 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
£252 GBP
$338 USD
View
Final sale: no returns
A
Retailer 5
-
£290 GBP
$389 USD
View
A
Retailer 6
-
£315 GBP
$422 USD
View
A
Retailer 7
-
£329 GBP
$441 USD
View
A
Retailer 8
-
£350 GBP
€446 EUR
View
B+
Retailer 9
-
£582 GBP
$780 USD
View
B+
Retailer 10
-
£803 GBP
View
Retailer 11
-
£881 GBP
$1,180 USD
View
Price last confirmed 31 days ago
B
Retailer 12
-
£1,105 GBP
$1,480 USD
View
B
Retailer 13
-
£1,396 GBP
$1,870 USD
View
Most Expensive
Rare Carat
617-56B · Oct 18
£1,582 GBP
$2,120 USD
View
Price last confirmed 12 days ago
13 more retailers have this diamond
Prices start from £146 GBPSave up to £1,250 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+
1.01ct Radiant
£146 GBP