Radiant|Lab Grown|IGI

5.05ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768629462

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

Certificate IGI LG768629462

Diamond specifications and retailer prices

From £6,230 GBP
$8,296 USD
As of October 30, 2026
Save £21,369 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £27,599 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.05ct lab-grown radiant diamond

This 5.05ct 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 LG768629462 or 768629462. Listed at 12 retailers as of October 30, 2026, with prices from £6,230 to £27,599, a £21,369 spread on the same certified stone. Taylor and Hart lists it at £27,599. 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

5.05
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629462
Dimensions12.23 × 8.72 × 5.74 mm
L/W Ratio1.40
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
12.23 mm8.72 mm5.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629462
Side View
Table 62.0%Crown 38.6°Girdle: MediumPavilion 33.9°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
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: £10,750 GBP|Low: £6,230 GBP|High: £31,595 GBP|Avg: £15,292 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
Taylor and Hart
October 30, 2026
Retailer 12£6,230 GBP
Retailer 10£7,154 GBP
Retailer 4£7,583 GBP
Retailer 8£8,685 GBP
Retailer 9£8,741 GBP
Retailer 1£10,750 GBP
Retailer 6£14,267 GBP
Retailer 2£14,971 GBP
Retailer 7£15,184 GBP
Retailer 5£18,356 GBP
Retailer 3£20,936 GBP
Retailer 11£25,028 GBP
Taylor and Hart£27,599 GBP

34 data points across 13 retailers

12 retailers£6,230 GBP to £27,599 GBP

A
Cheapest Retailer
-
£6,230 GBP
$8,296 USD
A
Retailer 2
-
£7,154 GBP
$9,527 USD
View
A
Retailer 3
-
£8,685 GBP
$11,565 USD
View
A
Retailer 4
-
£8,741 GBP
$11,640 USD
View
A
Retailer 5
-
£10,750 GBP
View
A
Retailer 6
-
£14,267 GBP
View
B+
Retailer 7
-
£14,971 GBP
$19,936 USD
View
B+
Retailer 8
-
£15,184 GBP
€19,258 EUR
View
B+
Retailer 9
-
£18,356 GBP
ZAR 394,904 ZAR
View
B+
Retailer 10
-
£20,936 GBP
$27,880 USD
View
B+
Retailer 11
-
£25,028 GBP
$33,330 USD
View
Most Expensive
B
Taylor and Hart
MO0NK3V · Oct 30
£27,599 GBP
$36,753 USD
View
11 more retailers have this diamond
Prices start from £6,230 GBPSave up to £21,369 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
5.05ct Radiant
£6,230 GBP