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Radiant|Lab Grown|IGI

5.11ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784642156

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

Certificate IGI LG784642156

Diamond specifications and retailer prices

From $12,817 AUD
$9,003 USD
As of October 30, 2026
Save $16,190 AUD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $29,006 AUD at Yorxs · As of October 31, 2026
View at Yorxs

About this 5.11ct lab-grown radiant diamond

This 5.11ct 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 LG784642156 or 784642156. Listed at 14 retailers as of October 30, 2026, with prices from $12,817 to $29,006, a $16,190 spread on the same certified stone. Yorxs lists it at $29,006. 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

5.11
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642156
Dimensions12.04 × 8.60 × 5.73 mm
L/W Ratio1.40
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
12.04 mm8.60 mm5.11 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642156
Side View
Table 64.0%Crown 39.8°Girdle: ThickPavilion 34.8°Culet: NoneDepth 66.6%

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: $28,515 AUD|Low: $12,817 AUD|High: $86,541 AUD|Avg: $24,282 AUD|-31.1%
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
Yorxs
October 31, 2026
Retailer 8$12,817 AUD
Retailer 10$12,896 AUD
Retailer 4$13,056 AUD
Retailer 3$13,329 AUD
Retailer 13$14,720 AUD
Retailer 2$15,381 AUD
Retailer 11$16,276 AUD
Retailer 9$17,197 AUD
Retailer 7$17,254 AUD
Retailer 5$17,297 AUD
Retailer 6$26,505 AUD
Retailer 1$28,515 AUD
Yorxs$29,006 AUD
Retailer 12$79,978 AUD

39 data points across 14 retailers

14 retailers$12,817 AUD to $29,006 AUD

A
Cheapest Retailer
-
$12,817 AUD
$9,003 USD
A
Retailer 2
-
$12,896 AUD
$9,059 USD
View
A
Retailer 3
-
$13,056 AUD
$9,171 USD
View
A
Retailer 4
-
$13,329 AUD
$9,363 USD
View
A
Retailer 5
-
$14,720 AUD
$10,340 USD
View
A
Retailer 6
-
$15,381 AUD
$10,804 USD
View
A
Retailer 7
-
$16,276 AUD
$11,433 USD
View
A
Retailer 8
-
$17,197 AUD
$12,080 USD
View
A
Retailer 9
-
$17,254 AUD
$12,120 USD
View
A
Retailer 10
-
$17,297 AUD
$12,150 USD
View
Final sale: no returns
B+
Retailer 11
-
$26,505 AUD
£14,660 GBP
View
B+
Retailer 12
-
$28,515 AUD
$20,030 USD
View
Most Expensive
B+
Yorxs
528548997 · Oct 31
$29,006 AUD
€19,405 EUR
View
12 more retailers have this diamond
Prices start from $12,817 AUDSave up to $16,190 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
5.11ct Radiant
$12,817 AUD