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Radiant|Lab Grown|IGI

5.16ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG803623573

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

Certificate IGI LG803623573

Diamond specifications and retailer prices

From £6,686 GBP
$8,959 USD
As of October 30, 2026
Save £27,197 GBP (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £33,883 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 5.16ct lab-grown radiant diamond

This 5.16ct 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 LG803623573 or 803623573. Listed at 22 retailers as of October 29, 2026, with prices from £6,686 to £33,883, a £27,197 spread on the same certified stone. Do Amore Diamonds lists it at £33,883. 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

5.16
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803623573
Dimensions12.58 × 8.60 × 5.67 mm
L/W Ratio1.46
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
12.58 mm8.60 mm5.16 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803623573
Side View
Table 63.0%Crown 42.4°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 65.9%

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: £33,883 GBP|Low: £6,686 GBP|High: £69,007 GBP|Avg: £20,389 GBP|-17.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 3£6,686 GBP
Retailer 13£7,866 GBP
Retailer 7£8,469 GBP
Retailer 16£8,669 GBP
Retailer 15£8,919 GBP
Retailer 14£9,454 GBP
Retailer 17£9,490 GBP
Retailer 2£11,536 GBP
Retailer 9£13,876 GBP
Retailer 11£14,945 GBP
Retailer 12£15,410 GBP
Retailer 10£19,676 GBP
Retailer 4£24,143 GBP
Retailer 6£28,736 GBP
Retailer 5£31,169 GBP
Do Amore Diamonds£33,883 GBP
Retailer 8£56,752 GBP

39 data points across 17 retailers

22 retailers£6,686 GBP to £33,883 GBP

A
Cheapest Retailer
-
£6,686 GBP
$8,959 USD
A
Retailer 2
-
£7,563 GBP
$10,134 USD
View
A
Retailer 3
-
£7,866 GBP
$10,539 USD
View
A
Retailer 4
-
£8,469 GBP
$11,348 USD
View
Final sale: no returns
A
Retailer 5
-
£8,669 GBP
$11,615 USD
View
A
Retailer 6
-
£8,773 GBP
$11,755 USD
View
Retailer 7
-
£8,773 GBP
$11,755 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
£8,919 GBP
$11,950 USD
View
A
Retailer 9
-
£9,075 GBP
$12,160 USD
View
A
Retailer 10
-
£9,454 GBP
$12,667 USD
View
A
Retailer 11
-
£9,490 GBP
$12,715 USD
View
A
Retailer 12
-
£11,536 GBP
View
A
Retailer 13
-
£13,876 GBP
View
B+
Retailer 14
-
£14,945 GBP
View
Retailer 15
-
£15,410 GBP
€19,665 EUR
View
Price last confirmed 7 days ago
B+
Retailer 16
-
£19,676 GBP
ZAR 425,899 ZAR
View
B+
Retailer 17
-
£24,143 GBP
$32,349 USD
View
B
Retailer 18
-
£26,905 GBP
$36,050 USD
View
B
Retailer 19
-
£28,736 GBP
$38,504 USD
View
B
Retailer 20
-
£31,169 GBP
$41,763 USD
View
Most Expensive
B
Do Amore Diamonds
27-E2C4B1BBE · Oct 29
£33,883 GBP
$45,400 USD
View
20 more retailers have this diamond
Prices start from £6,686 GBPSave up to £27,197 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
5.16ct Radiant
£6,686 GBP