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Radiant|Lab Grown|IGI

5.01ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG665415780

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

Certificate IGI LG665415780

Diamond specifications and retailer prices

From $8,105 USD
As of October 28, 2026
Save $28,144 USD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $36,249 USD at Taylor and Hart · As of October 28, 2026
View at Taylor and Hart

About this 5.01ct lab-grown radiant diamond

This 5.01ct 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 LG665415780 or 665415780. Listed at 21 retailers as of October 28, 2026, with prices from $8,105 to $36,249, a $28,144 spread on the same certified stone. Taylor and Hart lists it at $36,249. 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

5.01
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665415780
Dimensions11.92 × 8.43 × 5.62 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.92 mm8.43 mm5.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665415780
Side View
Table 66.0%Crown 44.7°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 66.7%

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 28
Current: $13,988 USD|Low: $8,105 USD|High: $61,430 USD|Avg: $16,890 USD|-12.4%
Retailer 1
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Retailer 10
Retailer 11
Retailer 12
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Retailer 19
Taylor and Hart
October 29, 2026
Retailer 18$8,105 USD
Retailer 9$9,184 USD
Retailer 19$9,396 USD
Retailer 4$9,552 USD
Retailer 8$10,286 USD
Retailer 3$10,545 USD
Retailer 6$10,654 USD
Retailer 5$11,021 USD
Retailer 11$11,420 USD
Retailer 17$11,662 USD
Retailer 14$11,718 USD
Retailer 13$12,174 USD
Retailer 1$13,988 USD
Retailer 7$16,855 USD
Retailer 12$18,993 USD
Retailer 10$19,523 USD
Retailer 15$23,799 USD
Retailer 16$24,365 USD
Taylor and Hart$36,249 USD
Retailer 2$57,310 USD

25 data points across 20 retailers

21 retailers$8,105 USD to $36,249 USD

A
Cheapest Retailer
-
$8,105 USD
A
Retailer 2
-
$9,184 USD
View
A
Retailer 3
-
$9,396 USD
View
A
Retailer 4
-
$9,552 USD
View
A
Retailer 5
-
$10,286 USD
View
Final sale: no returns
A
Retailer 6
-
$10,545 USD
View
A
Retailer 7
-
$10,654 USD
View
A
Retailer 8
-
$11,021 USD
View
A
Retailer 9
-
$11,420 USD
View
Price last confirmed 13 days ago
A
Retailer 10
-
$11,662 USD
View
A
Retailer 11
-
$11,718 USD
View
A
Retailer 12
-
$12,174 USD
£9,585 GBP
View
A
Retailer 13
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$13,988 USD
£11,014 GBP
View
A
Retailer 14
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$16,855 USD
£13,272 GBP
View
B+
Retailer 15
-
$18,993 USD
£14,955 GBP
View
B+
Retailer 16
-
$19,523 USD
View
B+
Retailer 17
-
$21,589 USD
View
B+
Retailer 18
-
$23,799 USD
ZAR 384,481 ZAR
View
B+
Retailer 19
-
$24,365 USD
A$37,485 AUD
View
Price last confirmed 7 days ago
Most Expensive
B
Taylor and Hart
25KYW2J · Oct 28
$36,249 USD
View
19 more retailers have this diamond
Prices start from $8,105 USDSave up to $28,144 USD

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
5.01ct Radiant
$8,105 USD