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Radiant|Lab Grown|IGI

5.05ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780662836

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

Certificate IGI LG780662836

Diamond specifications and retailer prices

From $14,908 AUD
$10,472 USD
As of October 30, 2026
Save $55,165 AUD (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $70,072 AUD at With Clarity · As of October 31, 2026
View at With Clarity

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 LG780662836 or 780662836. Listed at 13 retailers as of October 30, 2026, with prices from $14,908 to $70,072, a $55,165 spread on the same certified stone. With Clarity lists it at $70,072. 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 angle42.5°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662836
Dimensions12.64 × 8.46 × 5.49 mm
L/W Ratio1.49
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
12.64 mm8.46 mm5.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662836
Side View
Table 64.0%Crown 42.5°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 64.9%

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: $26,593 AUD|Low: $14,377 AUD|High: $70,072 AUD|Avg: $31,374 AUD|-35.0%
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
With Clarity
October 30, 2026
Retailer 5$14,377 AUD
Retailer 11$14,908 AUD
Retailer 13$15,856 AUD
Retailer 2$16,662 AUD
Retailer 10$17,112 AUD
Retailer 6$20,380 AUD
Retailer 1$26,593 AUD
Retailer 8$27,047 AUD
Retailer 9$28,786 AUD
Retailer 3$31,328 AUD
Retailer 7$34,799 AUD
Retailer 12$47,449 AUD
Retailer 4$52,321 AUD
With Clarity$70,072 AUD

33 data points across 14 retailers

13 retailers$14,908 AUD to $70,072 AUD

A
Cheapest Retailer
-
$14,908 AUD
$10,472 USD
A
Retailer 2
-
$15,856 AUD
$11,138 USD
View
A
Retailer 3
-
$16,662 AUD
$11,704 USD
View
A
Retailer 4
-
$17,112 AUD
$12,020 USD
View
A
Retailer 5
-
$20,380 AUD
£11,272 GBP
View
A
Retailer 6
-
$26,593 AUD
$18,680 USD
View
A
Retailer 7
-
$27,047 AUD
£14,960 GBP
View
Retailer 8
-
$28,786 AUD
€19,258 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$31,328 AUD
$22,006 USD
View
B+
Retailer 10
-
$34,799 AUD
ZAR 394,904 ZAR
View
B
Retailer 11
-
$47,449 AUD
$33,330 USD
View
B
Retailer 12
-
$52,321 AUD
$36,753 USD
View
Most Expensive
B
With Clarity
780662836 · Oct 31
$70,072 AUD
$49,222 USD
View
12 more retailers have this diamond
Prices start from $14,908 AUDSave up to $55,165 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
5.05ct Radiant
$14,908 AUD