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Radiant|Lab Grown|IGI

1.00ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG799647369

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

Certificate IGI LG799647369

Diamond specifications and retailer prices

From £203 GBP
As of October 30, 2026
Save £1,364 GBP (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,567 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

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 LG799647369 or 799647369. Listed at 8 retailers as of October 28, 2026, with prices from £203 to £1,567, a £1,364 spread on the same certified stone. Rare Carat lists it at £1,567. 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 angle41.8°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799647369
Dimensions7.15 × 4.99 × 3.25 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
7.15 mm4.99 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799647369
Side View
Table 67.0%Crown 41.8°Girdle: STK-THKPavilion 36.1°Culet: NoneDepth 65.1%

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: £1,567 GBP|Low: £154 GBP|High: £1,918 GBP|Avg: £686 GBP|+9.0%
Rare Carat
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October 30, 2026
Retailer 6£154 GBP
Retailer 7£177 GBP
Retailer 12£203 GBP
Retailer 19£272 GBP
Retailer 16£311 GBP
Retailer 8£428 GBP
Retailer 5£437 GBP
Retailer 3£456 GBP
Retailer 11£463 GBP
Retailer 18£475 GBP
Retailer 15£574 GBP
Retailer 17£693 GBP
Retailer 4£763 GBP
Retailer 13£791 GBP
Retailer 9£923 GBP
Retailer 10£1,001 GBP
Retailer 2£1,097 GBP
Retailer 14£1,381 GBP
Rare Carat£1,567 GBP

20 data points across 19 retailers

8 retailers£203 GBP to £1,567 GBP

A+
Cheapest Retailer
-
£203 GBP
A
Retailer 2
-
£311 GBP
$417 USD
View
B+
Retailer 3
-
£574 GBP
$769 USD
View
B+
Retailer 4
-
£693 GBP
$928 USD
View
B+
Retailer 5
-
£791 GBP
View
B
Retailer 6
-
£1,097 GBP
$1,470 USD
View
B
Retailer 7
-
£1,381 GBP
$1,850 USD
View
Most Expensive
B
Rare Carat
PD-214550 · Oct 28
£1,567 GBP
$2,100 USD
View
7 more retailers have this diamond
Prices start from £203 GBPSave up to £1,364 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
£203 GBP