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Radiant|Lab Grown|IGI

5.19ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804665219

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

Certificate IGI LG804665219

Diamond specifications and retailer prices

From £6,822 GBP
$9,141 USD
As of October 30, 2026
Save £7,286 GBP (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £15,406 GBP at Yorxs · As of October 23, 2026
View at Yorxs

About this 5.19ct lab-grown radiant diamond

This 5.19ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804665219 or 804665219. Listed at 14 retailers as of October 29, 2026, with a 107% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.19
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665219
Dimensions11.92 × 8.53 × 5.65 mm
L/W Ratio1.40
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
11.92 mm8.53 mm5.19 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665219
Side View
Table 63.0%Crown 44.8°Girdle: ThickPavilion 33.5°Culet: NoneDepth 66.2%

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: £13,046 GBP|Low: £6,822 GBP|High: £46,063 GBP|Avg: £13,654 GBP|-40.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Yorxs
October 30, 2026
Retailer 8£6,822 GBP
Retailer 10£6,863 GBP
Retailer 4£6,951 GBP
Retailer 3£7,095 GBP
Retailer 13£7,833 GBP
Retailer 2£8,187 GBP
Retailer 11£8,663 GBP
Retailer 7£9,143 GBP
Retailer 9£9,152 GBP
Retailer 5£9,207 GBP
Retailer 1£13,046 GBP
Retailer 6£14,109 GBP
Yorxs£15,406 GBP
Retailer 12£42,571 GBP

35 data points across 14 retailers

14 retailers£6,822 GBP to £14,109 GBP

A
Cheapest Retailer
-
£6,822 GBP
$9,141 USD
A
Retailer 2
-
£6,863 GBP
$9,196 USD
View
A
Retailer 3
-
£6,951 GBP
$9,314 USD
View
A
Retailer 4
-
£7,095 GBP
$9,507 USD
View
A
Retailer 5
-
£7,833 GBP
$10,495 USD
View
A
Retailer 6
-
£8,187 GBP
$10,970 USD
View
A
Retailer 7
-
£8,663 GBP
$11,608 USD
View
A
Retailer 8
-
£9,143 GBP
$12,250 USD
View
A
Retailer 9
-
£9,152 GBP
$12,263 USD
View
A
Retailer 10
-
£9,207 GBP
$12,336 USD
View
Final sale: no returns
A
Retailer 11
-
£13,046 GBP
$17,480 USD
View
B+
Retailer 12
-
£14,109 GBP
View
Most Expensive
Yorxs
557461749 · Oct 23
£15,406 GBP
€19,659 EUR
View
Price last confirmed 7 days ago
12 more retailers have this diamond
Prices start from £6,822 GBPSave up to £7,286 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
5.19ct Radiant
£6,822 GBP