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Radiant|Lab Grown|IGI

5.11ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804637106

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

Certificate IGI LG804637106

Diamond specifications and retailer prices

From £7,417 GBP
$9,938 USD
As of October 30, 2026
Save £19,317 GBP (72%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £26,734 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.11ct lab-grown radiant diamond

This 5.11ct 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 LG804637106 or 804637106. Listed at 18 retailers as of October 30, 2026, with prices from £7,417 to £26,734, a £19,317 spread on the same certified stone. Taylor and Hart lists it at £26,734. 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

5.11
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804637106
Dimensions11.95 × 8.55 × 5.83 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
11.95 mm8.55 mm5.11 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804637106
Side View
Table 65.0%Crown 41.4°Girdle: Slightly ThickPavilion 35.2°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: £10,230 GBP|Low: £6,623 GBP|High: £28,653 GBP|Avg: £12,647 GBP|-11.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
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Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
Retailer 18
Taylor and Hart
October 30, 2026
Retailer 10£6,623 GBP
Retailer 7£7,417 GBP
Retailer 4£7,504 GBP
Retailer 13£7,713 GBP
Retailer 8£8,063 GBP
Retailer 5£8,307 GBP
Retailer 17£8,342 GBP
Retailer 16£8,504 GBP
Retailer 9£8,604 GBP
Retailer 18£8,604 GBP
Retailer 15£9,184 GBP
Retailer 14£9,419 GBP
Retailer 1£10,230 GBP
Retailer 6£12,329 GBP
Retailer 12£13,895 GBP
Retailer 3£15,737 GBP
Retailer 11£17,481 GBP
Retailer 2£23,970 GBP
Taylor and Hart£26,734 GBP

38 data points across 19 retailers

18 retailers£7,417 GBP to £26,734 GBP

A
Cheapest Retailer
-
£7,417 GBP
$9,938 USD
A
Retailer 2
-
£7,504 GBP
$10,055 USD
View
A
Retailer 3
-
£7,713 GBP
$10,335 USD
View
A
Retailer 4
-
£8,063 GBP
$10,804 USD
View
A
Retailer 5
-
£8,307 GBP
$11,130 USD
View
Final sale: no returns
A
Retailer 6
-
£8,342 GBP
$11,178 USD
View
A
Retailer 7
-
£8,504 GBP
$11,395 USD
View
A
Retailer 8
-
£8,604 GBP
$11,528 USD
View
Retailer 9
-
£8,604 GBP
$11,528 USD
View
Price last confirmed 14 days ago
A
Retailer 10
-
£9,184 GBP
$12,306 USD
View
A
Retailer 11
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£9,419 GBP
$12,620 USD
View
A
Retailer 12
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£10,230 GBP
View
A
Retailer 13
-
£12,329 GBP
View
A
Retailer 14
-
£13,895 GBP
View
B+
Retailer 15
-
£15,737 GBP
$21,086 USD
View
B+
Retailer 16
-
£17,481 GBP
ZAR 378,393 ZAR
View
B
Retailer 17
-
£23,970 GBP
$32,117 USD
View
Most Expensive
B
Taylor and Hart
XMEI7CR · Oct 30
£26,734 GBP
$35,820 USD
View
17 more retailers have this diamond
Prices start from £7,417 GBPSave up to £19,317 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
5.11ct Radiant
£7,417 GBP