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Radiant|Lab Grown|IGI

1.01ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG816630847

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

Certificate IGI LG816630847

Diamond specifications and retailer prices

From £209 GBP
$280 USD
As of October 30, 2026
Save £803 GBP (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,012 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG816630847 or 816630847. Listed at 17 retailers as of October 30, 2026, with prices from £209 to £1,012, a £803 spread on the same certified stone. Reve Diamonds lists it at £1,012. 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 angle44.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816630847
Dimensions7.19 × 4.88 × 3.33 mm
L/W Ratio1.47
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
7.19 mm4.88 mm1.01 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816630847
Side View
Table 63.0%Crown 44.6°Girdle: MediumPavilion 34.9°Culet: NoneDepth 68.2%

Caratlytics Score

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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: £442 GBP|Low: £192 GBP|High: £1,214 GBP|Avg: £662 GBP|-14.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 30, 2026
Retailer 11£209 GBP
Retailer 7£369 GBP
Retailer 9£390 GBP
Retailer 5£392 GBP
Retailer 8£423 GBP
Retailer 1£442 GBP
Retailer 10£470 GBP
Retailer 6£713 GBP
Retailer 3£785 GBP
Retailer 2£910 GBP
Retailer 4£936 GBP
Reve Diamonds£1,012 GBP

41 data points across 12 retailers

17 retailers£209 GBP to £1,012 GBP

A
Cheapest Retailer
-
£209 GBP
$280 USD
Final sale: no returns
Retailer 2
-
£241 GBP
$323 USD
View
Price last confirmed 23 days ago
Retailer 3
-
£280 GBP
$375 USD
View
Price last confirmed 17 days ago
Retailer 4
-
£299 GBP
$401 USD
View
Price last confirmed 15 days ago
Retailer 5
-
£299 GBP
$401 USD
View
Price last confirmed 28 days ago
Retailer 6
-
£369 GBP
€471 EUR
View
Price last confirmed 8 days ago
A
Retailer 7
-
£390 GBP
$522 USD
View
A
Retailer 8
-
£392 GBP
$525 USD
View
A
Retailer 9
-
£423 GBP
$567 USD
View
A
Retailer 10
-
£442 GBP
View
B+
Retailer 11
-
£470 GBP
$630 USD
View
B+
Retailer 12
-
£713 GBP
$956 USD
View
B
Retailer 13
-
£785 GBP
$1,052 USD
View
B
Retailer 14
-
£910 GBP
View
B
Retailer 15
-
£936 GBP
View
Retailer 16
-
£962 GBP
$1,289 USD
View
Price last confirmed 31 days ago
Most Expensive
B
Reve Diamonds
A80875274 · Oct 30
£1,012 GBP
$1,356 USD
View
16 more retailers have this diamond
Prices start from £209 GBPSave up to £803 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
£209 GBP