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Radiant|Lab Grown|IGI

1.01ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816614984

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

Certificate IGI LG816614984

Diamond specifications and retailer prices

From £205 GBP
As of October 30, 2026
Save £1,184 GBP (85%) vs most expensive(unlock to see where)
8 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 LG816614984 or 816614984. Listed at 8 retailers as of October 30, 2026, with a 579% 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 angle38.5°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816614984
Dimensions7.15 × 5.14 × 3.25 mm
L/W Ratio1.39
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
7.15 mm5.14 mm1.01 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816614984
Side View
Table 68.0%Crown 38.5°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A+
Exceptional
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: £1,582 GBP|Low: £155 GBP|High: £1,940 GBP|Avg: £687 GBP|+9.1%
Rare Carat
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 30, 2026
Retailer 5£155 GBP
Retailer 6£178 GBP
Retailer 10£205 GBP
Retailer 3£280 GBP
Retailer 13£313 GBP
Retailer 7£437 GBP
Retailer 17£460 GBP
Retailer 9£467 GBP
Retailer 16£480 GBP
Retailer 12£579 GBP
Retailer 15£697 GBP
Retailer 4£770 GBP
Retailer 14£795 GBP
Retailer 8£931 GBP
Retailer 2£1,105 GBP
Retailer 11£1,388 GBP
Rare Carat£1,582 GBP

19 data points across 17 retailers

8 retailers£205 GBP to £1,388 GBP

A+
Cheapest Retailer
-
£205 GBP
A
Retailer 2
-
£313 GBP
$419 USD
View
B+
Retailer 3
-
£579 GBP
$776 USD
View
B+
Retailer 4
-
£697 GBP
$934 USD
View
B+
Retailer 5
-
£795 GBP
View
B
Retailer 6
-
£1,105 GBP
$1,480 USD
View
B
Retailer 7
-
£1,388 GBP
$1,860 USD
View
Most Expensive
Rare Carat
PD-226134 · Oct 18
£1,582 GBP
$2,120 USD
View
Price last confirmed 12 days ago
7 more retailers have this diamond
Prices start from £205 GBPSave up to £1,184 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
£205 GBP