Radiant|Lab Grown|IGI

5.05ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG665415779

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

Certificate IGI LG665415779

Diamond specifications and retailer prices

From €7,796 EUR
$8,710 USD
As of October 31, 2026
Save €26,080 EUR (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €33,877 EUR 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG665415779 or 665415779. Listed at 22 retailers as of October 30, 2026, with prices from €7,796 to €33,877, a €26,080 spread on the same certified stone. Taylor and Hart lists it at €33,877. 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
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.8°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665415779
Dimensions11.91 × 8.41 × 5.69 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.91 mm8.41 mm5.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665415779
Side View
Table 66.0%Crown 48.8°Girdle: MED-STKPavilion 34.4°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A+
Exceptional
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 31
Current: €13,453 EUR|Low: €7,796 EUR|High: €55,415 EUR|Avg: €16,601 EUR|-8.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
October 30, 2026
Retailer 16€7,796 EUR
Retailer 8€8,823 EUR
Retailer 3€9,176 EUR
Retailer 7€9,881 EUR
Retailer 2€10,115 EUR
Retailer 5€10,234 EUR
Retailer 13€10,407 EUR
Retailer 4€10,588 EUR
Retailer 15€11,195 EUR
Retailer 1€13,453 EUR
Retailer 12€15,297 EUR
Retailer 6€16,192 EUR
Retailer 11€17,840 EUR
Retailer 9€18,843 EUR
Retailer 10€22,954 EUR
Retailer 14€23,375 EUR
Taylor and Hart€33,877 EUR
Retailer 17€55,057 EUR

31 data points across 18 retailers

22 retailers€7,796 EUR to €33,877 EUR

A+
Cheapest Retailer
-
€7,796 EUR
$8,710 USD
A
Retailer 2
-
€8,823 EUR
$9,857 USD
View
A
Retailer 3
-
€9,176 EUR
$10,251 USD
View
A
Retailer 4
-
€9,881 EUR
$11,039 USD
View
Final sale: no returns
A
Retailer 5
-
€10,115 EUR
$11,300 USD
View
A
Retailer 6
-
€10,234 EUR
$11,434 USD
View
A
Retailer 7
-
€10,407 EUR
$11,627 USD
View
Retailer 8
-
€10,473 EUR
$11,700 USD
View
Price last confirmed 15 days ago
A
Retailer 9
-
€10,588 EUR
$11,829 USD
View
A
Retailer 10
-
€11,195 EUR
$12,507 USD
View
Retailer 11
-
€11,285 EUR
$12,608 USD
View
Price last confirmed 15 days ago
A
Retailer 12
-
€13,453 EUR
£11,834 GBP
View
A
Retailer 13
-
€15,297 EUR
$17,090 USD
View
A
Retailer 14
-
€16,192 EUR
£14,244 GBP
View
B+
Retailer 15
-
€17,840 EUR
£15,694 GBP
View
B+
Retailer 16
-
€18,843 EUR
$21,051 USD
View
B+
Retailer 17
-
€19,478 EUR
$21,761 USD
View
B+
Retailer 18
-
€22,954 EUR
ZAR 414,282 ZAR
View
Retailer 19
-
€23,375 EUR
A$40,176 AUD
View
Price last confirmed 9 days ago
Most Expensive
B
Taylor and Hart
EUEARCY · Oct 30
€33,877 EUR
$37,847 USD
View
19 more retailers have this diamond
Prices start from €7,796 EURSave up to €26,080 EUR

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
€7,796 EUR