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Radiant|Lab Grown|IGI

5.06ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780662901

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

Certificate IGI LG780662901

Diamond specifications and retailer prices

From £7,879 GBP
$10,492 USD
As of October 29, 2026
Save £19,752 GBP (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £27,631 GBP at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 5.06ct lab-grown radiant diamond

This 5.06ct 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 LG780662901 or 780662901. Listed at 13 retailers as of October 28, 2026, with prices from £7,879 to £27,631, a £19,752 spread on the same certified stone. Taylor and Hart lists it at £27,631. 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

5.06
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662901
Dimensions12.16 × 8.62 × 5.64 mm
L/W Ratio1.41
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
12.16 mm8.62 mm5.06 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662901
Side View
Table 63.0%Crown 42.1°Girdle: Slightly ThickPavilion 33.4°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
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 29
Current: £10,771 GBP|Low: £7,599 GBP|High: £49,381 GBP|Avg: £17,128 GBP|-17.5%
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
Taylor and Hart
October 29, 2026
Retailer 5£7,599 GBP
Retailer 10£7,879 GBP
Retailer 12£8,392 GBP
Retailer 13£8,806 GBP
Retailer 9£9,037 GBP
Retailer 1£10,771 GBP
Retailer 6£14,295 GBP
Retailer 8£15,214 GBP
Retailer 3£16,557 GBP
Retailer 7£18,320 GBP
Retailer 4£20,981 GBP
Retailer 11£25,078 GBP
Taylor and Hart£27,631 GBP
Retailer 2£49,381 GBP

32 data points across 14 retailers

13 retailers£7,879 GBP to £27,631 GBP

A
Cheapest Retailer
-
£7,879 GBP
$10,492 USD
A
Retailer 2
-
£8,392 GBP
$11,176 USD
View
A
Retailer 3
-
£8,806 GBP
$11,727 USD
View
A
Retailer 4
-
£9,037 GBP
$12,035 USD
View
A
Retailer 5
-
£10,771 GBP
View
B+
Retailer 6
-
£14,295 GBP
View
B+
Retailer 7
-
£15,214 GBP
€19,296 EUR
View
B+
Retailer 8
-
£16,557 GBP
$22,049 USD
View
B+
Retailer 9
-
£18,320 GBP
ZAR 394,117 ZAR
View
B+
Retailer 10
-
£20,981 GBP
$27,940 USD
View
B
Retailer 11
-
£25,078 GBP
$33,396 USD
View
Most Expensive
B
Taylor and Hart
QNEODDA · Oct 28
£27,631 GBP
$36,796 USD
View
11 more retailers have this diamond
Prices start from £7,879 GBPSave up to £19,752 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
5.06ct Radiant
£7,879 GBP