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Radiant|Lab Grown|IGI

1.01ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG823694862

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

Certificate IGI LG823694862

Diamond specifications and retailer prices

From £285 GBP
$382 USD
As of October 30, 2026
Save £1,678 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,963 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG823694862 or 823694862. Listed at 20 retailers as of October 29, 2026, with prices from £285 to £1,963, a £1,678 spread on the same certified stone. Brilliant Earth lists it at £1,963. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823694862
Dimensions7.11 × 4.96 × 3.38 mm
L/W Ratio1.43
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
7.11 mm4.96 mm1.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823694862
Side View
Table 63.0%Crown 42.7°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 68.1%

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: £1,963 GBP|Low: £285 GBP|High: £1,963 GBP|Avg: £752 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 20
October 31, 2026
Retailer 4£285 GBP
Retailer 7£319 GBP
Retailer 18£319 GBP
Retailer 3£354 GBP
Retailer 6£354 GBP
Retailer 17£392 GBP
Retailer 20£457 GBP
Retailer 16£466 GBP
Retailer 8£563 GBP
Retailer 2£567 GBP
Retailer 15£608 GBP
Retailer 13£641 GBP
Retailer 11£941 GBP
Retailer 19£993 GBP
Retailer 9£1,035 GBP
Retailer 5£1,138 GBP
Retailer 12£1,166 GBP
Retailer 10£1,325 GBP
Retailer 14£1,390 GBP
Brilliant Earth£1,963 GBP

44 data points across 20 retailers

20 retailers£285 GBP to £1,963 GBP

A
Cheapest Retailer
-
£285 GBP
$382 USD
A
Retailer 2
-
£319 GBP
$427 USD
View
Final sale: no returns
A
Retailer 3
-
£319 GBP
$428 USD
View
A
Retailer 4
-
£354 GBP
$474 USD
View
A
Retailer 5
-
£354 GBP
$474 USD
View
A
Retailer 6
-
£392 GBP
HK$4,100 HKD
View
B+
Retailer 7
-
£457 GBP
$612 USD
View
B+
Retailer 8
-
£466 GBP
$625 USD
View
B+
Retailer 9
-
£563 GBP
$755 USD
View
B+
Retailer 10
-
£567 GBP
€724 EUR
View
B+
Retailer 11
-
£608 GBP
ZAR 13,166 ZAR
View
B+
Retailer 12
-
£641 GBP
View
B+
Retailer 13
-
£941 GBP
SGD 1,703 SGD
View
B
Retailer 14
-
£993 GBP
$1,330 USD
View
B
Retailer 15
-
£1,035 GBP
View
B
Retailer 16
-
£1,138 GBP
$1,525 USD
View
B
Retailer 17
-
£1,166 GBP
$1,563 USD
View
B
Retailer 18
-
£1,325 GBP
$1,776 USD
View
B
Retailer 19
-
£1,390 GBP
View
Most Expensive
B
Brilliant Earth
21056626A · Oct 29
£1,963 GBP
$2,630 USD
View
19 more retailers have this diamond
Prices start from £285 GBPSave up to £1,678 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
£285 GBP