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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 $11,538 AUD
$8,105 USD
As of October 31, 2026
Save $40,066 AUD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $51,605 AUD at Taylor and Hart · As of October 30, 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 30, 2026, with prices from $11,538 to $51,605, a $40,066 spread on the same certified stone. Taylor and Hart lists it at $51,605. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $17,282 AUD|Low: $11,538 AUD|High: $87,452 AUD|Avg: $24,256 AUD|-10.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
October 30, 2026
Retailer 18$11,538 AUD
Retailer 9$13,074 AUD
Retailer 19$13,376 AUD
Retailer 4$13,598 AUD
Retailer 8$14,643 AUD
Retailer 3$15,012 AUD
Retailer 6$15,167 AUD
Retailer 5$15,689 AUD
Retailer 11$16,258 AUD
Retailer 17$16,602 AUD
Retailer 15$16,682 AUD
Retailer 1$17,282 AUD
Retailer 12$19,913 AUD
Retailer 7$23,995 AUD
Retailer 14$27,038 AUD
Retailer 10$27,793 AUD
Retailer 13$34,014 AUD
Retailer 16$34,686 AUD
Taylor and Hart$51,605 AUD
Retailer 2$81,587 AUD

26 data points across 20 retailers

21 retailers$11,538 AUD to $51,605 AUD

A
Cheapest Retailer
-
$11,538 AUD
$8,105 USD
A
Retailer 2
-
$13,074 AUD
$9,184 USD
View
A
Retailer 3
-
$13,376 AUD
$9,396 USD
View
A
Retailer 4
-
$13,598 AUD
$9,552 USD
View
A
Retailer 5
-
$14,643 AUD
$10,286 USD
View
Final sale: no returns
A
Retailer 6
-
$15,012 AUD
$10,545 USD
View
A
Retailer 7
-
$15,167 AUD
$10,654 USD
View
A
Retailer 8
-
$15,689 AUD
$11,021 USD
View
Retailer 9
-
$16,258 AUD
$11,420 USD
View
Price last confirmed 14 days ago
A
Retailer 10
-
$16,602 AUD
$11,662 USD
View
A
Retailer 11
-
$16,682 AUD
$11,718 USD
View
A
Retailer 12
-
$17,282 AUD
£9,559 GBP
View
A
Retailer 13
-
$19,913 AUD
£11,014 GBP
View
A
Retailer 14
-
$23,995 AUD
£13,272 GBP
View
B+
Retailer 15
-
$27,038 AUD
£14,955 GBP
View
B+
Retailer 16
-
$27,793 AUD
$19,523 USD
View
B+
Retailer 17
-
$30,734 AUD
$21,589 USD
View
B+
Retailer 18
-
$34,014 AUD
ZAR 385,995 ZAR
View
Retailer 19
-
$34,686 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
Taylor and Hart
25KYW2J · Oct 30
$51,605 AUD
$36,249 USD
View
19 more retailers have this diamond
Prices start from $11,538 AUDSave up to $40,066 AUD

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
$11,538 AUD