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Radiant|Lab Grown|IGI

1.00ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG801694501

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

Certificate IGI LG801694501

Diamond specifications and retailer prices

From £328 GBP
$439 USD
As of October 30, 2026
Save £1,396 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,724 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1ct lab-grown radiant diamond

This 1ct 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 LG801694501 or 801694501. Listed at 13 retailers as of October 30, 2026, with prices from £328 to £1,724, a £1,396 spread on the same certified stone. Do Amore Diamonds lists it at £1,724. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801694501
Dimensions7.24 × 4.93 × 3.25 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
7.24 mm4.93 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801694501
Side View
Table 64.0%Crown 42.7°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 65.9%

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: £1,724 GBP|Low: £313 GBP|High: £2,351 GBP|Avg: £910 GBP|-2.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 5£328 GBP
Retailer 11£333 GBP
Retailer 10£336 GBP
Retailer 7£376 GBP
Retailer 2£424 GBP
Retailer 6£719 GBP
Retailer 8£987 GBP
Retailer 3£1,031 GBP
Retailer 4£1,358 GBP
Retailer 9£1,567 GBP
Do Amore Diamonds£1,724 GBP

26 data points across 11 retailers

13 retailers£328 GBP to £1,724 GBP

Retailer 1
-
£189 GBP
$253 USD
Price last confirmed 20 days ago
Retailer 2
-
£219 GBP
$294 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£328 GBP
$439 USD
View
A
Retailer 4
-
£333 GBP
$446 USD
View
Retailer 5
-
£336 GBP
$450 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£376 GBP
$504 USD
View
A
Retailer 7
-
£424 GBP
€541 EUR
View
B
Retailer 8
-
£719 GBP
$963 USD
View
Retailer 9
-
£831 GBP
$1,113 USD
View
Price last confirmed 21 days ago
B+
Retailer 10
-
£987 GBP
View
B
Retailer 11
-
£1,358 GBP
$1,820 USD
View
B
Retailer 12
-
£1,567 GBP
$2,100 USD
View
Most Expensive
B
Do Amore Diamonds
27-EBB5170EF · Oct 30
£1,724 GBP
$2,310 USD
View
12 more retailers have this diamond
Prices start from £328 GBPSave up to £1,396 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
1.00ct Radiant
£328 GBP