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Radiant|Lab Grown|IGI

5.13ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816608497

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

Certificate IGI LG816608497

Diamond specifications and retailer prices

From $12,866 AUD
$9,038 USD
As of October 30, 2026
Save $15,762 AUD (55%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $29,048 AUD at Yorxs · As of October 23, 2026
View at Yorxs

About this 5.13ct lab-grown radiant diamond

This 5.13ct 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 LG816608497 or 816608497. Listed at 12 retailers as of October 30, 2026, with a 123% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.13
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816608497
Dimensions12.20 × 8.59 × 5.54 mm
L/W Ratio1.42
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
12.20 mm8.59 mm5.13 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816608497
Side View
Table 66.0%Crown 40.2°Girdle: THK-VTKPavilion 34.1°Culet: NoneDepth 64.5%

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 30
Current: $28,629 AUD|Low: $12,866 AUD|High: $86,868 AUD|Avg: $27,602 AUD|-41.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yorxs
October 30, 2026
Retailer 7$12,866 AUD
Retailer 3$13,107 AUD
Retailer 2$13,380 AUD
Retailer 11$14,777 AUD
Retailer 12$15,439 AUD
Retailer 10$16,339 AUD
Retailer 8$17,261 AUD
Retailer 6$17,304 AUD
Retailer 5$26,606 AUD
Retailer 1$28,629 AUD
Yorxs$29,048 AUD
Retailer 4$42,902 AUD
Retailer 9$80,291 AUD

35 data points across 13 retailers

12 retailers$12,866 AUD to $28,629 AUD

A
Cheapest Retailer
-
$12,866 AUD
$9,038 USD
A
Retailer 2
-
$13,107 AUD
$9,207 USD
View
A
Retailer 3
-
$13,380 AUD
$9,399 USD
View
A
Retailer 4
-
$14,777 AUD
$10,380 USD
View
A
Retailer 5
-
$15,439 AUD
$10,845 USD
View
A
Retailer 6
-
$16,339 AUD
$11,477 USD
View
A
Retailer 7
-
$17,261 AUD
$12,125 USD
View
A
Retailer 8
-
$17,304 AUD
$12,155 USD
View
B+
Retailer 9
-
$26,606 AUD
£14,716 GBP
View
B+
Retailer 10
-
$28,629 AUD
$20,110 USD
View
Most Expensive
Yorxs
590861700 · Oct 23
$29,048 AUD
€19,433 EUR
View
Price last confirmed 7 days ago
10 more retailers have this diamond
Prices start from $12,866 AUDSave up to $15,762 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
5.13ct Radiant
$12,866 AUD