Radiant|Lab Grown|IGI

5.08ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG768630155

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

Certificate IGI LG768630155

Diamond specifications and retailer prices

From $11,531 AUD
$8,100 USD
As of October 30, 2026
Save $40,975 AUD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $52,506 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.08ct lab-grown radiant diamond

This 5.08ct 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 LG768630155 or 768630155. Listed at 12 retailers as of October 30, 2026, with prices from $11,531 to $52,506, a $40,975 spread on the same certified stone. Taylor and Hart lists it at $52,506. 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

5.08
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630155
Dimensions12.06 × 8.58 × 5.67 mm
L/W Ratio1.41
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
12.06 mm8.58 mm5.08 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630155
Side View
Table 63.0%Crown 41.1°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 66.1%

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: $20,500 AUD|Low: $11,531 AUD|High: $60,159 AUD|Avg: $29,113 AUD|-17.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 12$11,531 AUD
Retailer 10$13,641 AUD
Retailer 4$14,462 AUD
Retailer 8$16,528 AUD
Retailer 9$16,666 AUD
Retailer 1$20,500 AUD
Retailer 6$27,205 AUD
Retailer 2$28,546 AUD
Retailer 7$28,957 AUD
Retailer 5$35,002 AUD
Retailer 3$39,932 AUD
Retailer 11$47,730 AUD
Taylor and Hart$52,506 AUD

34 data points across 13 retailers

12 retailers$11,531 AUD to $52,506 AUD

A
Cheapest Retailer
-
$11,531 AUD
$8,100 USD
A
Retailer 2
-
$13,641 AUD
$9,582 USD
View
A
Retailer 3
-
$16,528 AUD
$11,610 USD
View
A
Retailer 4
-
$16,666 AUD
$11,707 USD
View
A
Retailer 5
-
$20,500 AUD
£11,339 GBP
View
A
Retailer 6
-
$27,205 AUD
£15,047 GBP
View
A
Retailer 7
-
$28,546 AUD
$20,052 USD
View
B+
Retailer 8
-
$28,957 AUD
€19,372 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$35,002 AUD
ZAR 397,202 ZAR
View
B+
Retailer 10
-
$39,932 AUD
$28,050 USD
View
B+
Retailer 11
-
$47,730 AUD
$33,528 USD
View
Most Expensive
B
Taylor and Hart
9V4Z6SC · Oct 30
$52,506 AUD
$36,882 USD
View
11 more retailers have this diamond
Prices start from $11,531 AUDSave up to $40,975 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
5.08ct Radiant
$11,531 AUD