Radiant|Lab Grown|IGI

5.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784644672

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

Certificate IGI LG784644672

Diamond specifications and retailer prices

From $12,792 AUD
$8,986 USD
As of October 30, 2026
Save $28,548 AUD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $41,340 AUD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 5.1ct lab-grown radiant diamond

This 5.1ct 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 LG784644672 or 784644672. Listed at 15 retailers as of October 30, 2026, with prices from $12,792 to $41,340, a $28,548 spread on the same certified stone. Frank Darling lists it at $41,340. 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

5.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644672
Dimensions12.06 × 8.45 × 5.88 mm
L/W Ratio1.43
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 mm8.45 mm5.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644672
Side View
Table 67.0%Crown 40.9°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 69.6%

Caratlytics Score

How it works →
A+
Exceptional
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: $41,340 AUD|Low: $12,792 AUD|High: $86,370 AUD|Avg: $25,393 AUD|-12.5%
Frank Darling
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
October 31, 2026
Retailer 11$12,792 AUD
Retailer 13$12,872 AUD
Retailer 6$13,030 AUD
Retailer 5$13,305 AUD
Retailer 3$14,692 AUD
Retailer 4$15,351 AUD
Retailer 14$16,245 AUD
Retailer 12$17,164 AUD
Retailer 10$17,233 AUD
Retailer 7$17,263 AUD
Retailer 9$26,454 AUD
Retailer 8$28,458 AUD
Retailer 2$28,951 AUD
Frank Darling$41,340 AUD
Retailer 15$79,821 AUD

39 data points across 15 retailers

15 retailers$12,792 AUD to $41,340 AUD

A+
Cheapest Retailer
-
$12,792 AUD
$8,986 USD
A
Retailer 2
-
$12,872 AUD
$9,042 USD
View
A
Retailer 3
-
$13,030 AUD
$9,153 USD
View
A
Retailer 4
-
$13,305 AUD
$9,346 USD
View
A
Retailer 5
-
$14,692 AUD
$10,320 USD
View
A
Retailer 6
-
$15,351 AUD
$10,783 USD
View
A
Retailer 7
-
$16,245 AUD
$11,411 USD
View
A
Retailer 8
-
$17,164 AUD
$12,057 USD
View
A
Retailer 9
-
$17,233 AUD
$12,105 USD
View
A
Retailer 10
-
$17,263 AUD
$12,126 USD
View
Final sale: no returns
A
Retailer 11
-
$26,454 AUD
£14,632 GBP
View
B+
Retailer 12
-
$28,458 AUD
$19,990 USD
View
B+
Retailer 13
-
$28,951 AUD
€19,368 EUR
View
Most Expensive
B+
Frank Darling
P83F-5EL · Oct 31
$41,340 AUD
$29,039 USD
View
13 more retailers have this diamond
Prices start from $12,792 AUDSave up to $28,548 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+
5.10ct Radiant
$12,792 AUD