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Radiant|Lab Grown|IGI

5.11ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG744513486

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

Certificate IGI LG744513486

Diamond specifications and retailer prices

From £5,223 GBP
$6,998 USD
As of October 30, 2026
Save £27,369 GBP (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £32,592 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG744513486 or 744513486. Listed at 17 retailers as of October 30, 2026, with prices from £5,223 to £32,592, a £27,369 spread on the same certified stone. Do Amore Diamonds lists it at £32,592. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744513486
Dimensions11.92 × 11.92 × 8.57 mm
L/W Ratio1.00
Culet sizePointed
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 mm11.92 mm5.11 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744513486
Side View
Table 64.0%Crown 42.1°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.0%

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: £32,592 GBP|Low: £5,223 GBP|High: £37,914 GBP|Avg: £11,787 GBP|-10.2%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 31, 2026
Retailer 12£5,223 GBP
Retailer 10£5,348 GBP
Retailer 5£5,739 GBP
Retailer 13£5,866 GBP
Retailer 14£5,941 GBP
Retailer 9£6,538 GBP
Retailer 2£6,963 GBP
Retailer 4£7,415 GBP
Retailer 17£7,521 GBP
Retailer 3£7,609 GBP
Retailer 11£11,680 GBP
Retailer 6£12,013 GBP
Retailer 15£12,480 GBP
Retailer 7£15,014 GBP
Retailer 16£16,845 GBP
Retailer 8£17,711 GBP
Do Amore Diamonds£32,592 GBP

36 data points across 17 retailers

17 retailers£5,223 GBP to £32,592 GBP

A
Cheapest Retailer
-
£5,223 GBP
$6,998 USD
A
Retailer 2
-
£5,348 GBP
$7,166 USD
View
A
Retailer 3
-
£5,739 GBP
$7,690 USD
View
A
Retailer 4
-
£5,866 GBP
$7,860 USD
View
A
Retailer 5
-
£5,941 GBP
$7,960 USD
View
A
Retailer 6
-
£6,538 GBP
$8,760 USD
View
Final sale: no returns
A
Retailer 7
-
£6,963 GBP
$9,330 USD
View
A
Retailer 8
-
£7,415 GBP
$9,935 USD
View
A
Retailer 9
-
£7,521 GBP
$10,077 USD
View
A
Retailer 10
-
£7,609 GBP
$10,195 USD
View
A
Retailer 11
-
£11,680 GBP
$15,650 USD
View
Retailer 12
-
£12,013 GBP
€15,330 EUR
View
Price last confirmed 7 days ago
A
Retailer 13
-
£12,480 GBP
View
Retailer 14
-
£15,014 GBP
A$30,949 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
£16,845 GBP
$22,570 USD
View
Retailer 16
-
£17,711 GBP
A$36,509 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Do Amore Diamonds
27-6147F2322 · Oct 30
£32,592 GBP
$43,670 USD
View
16 more retailers have this diamond
Prices start from £5,223 GBPSave up to £27,369 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
£5,223 GBP