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Radiant|Lab Grown|IGI

5.10ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG828681234

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

Certificate IGI LG828681234

Diamond specifications and retailer prices

From $16,121 AUD
$11,324 USD
As of October 31, 2026
Save $36,508 AUD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $52,629 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG828681234 or 828681234. Listed at 12 retailers as of October 30, 2026, with prices from $16,121 to $52,629, a $36,508 spread on the same certified stone. Taylor and Hart lists it at $52,629. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681234
Dimensions12.03 × 8.63 × 5.64 mm
L/W Ratio1.39
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
12.03 mm8.63 mm5.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681234
Side View
Table 63.0%Crown 44°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 65.4%

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 31
Current: $29,144 AUD|Low: $16,121 AUD|High: $94,356 AUD|Avg: $35,932 AUD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 31, 2026
Retailer 7$16,121 AUD
Retailer 8$16,826 AUD
Retailer 6$17,567 AUD
Retailer 3$20,581 AUD
Retailer 5$27,309 AUD
Retailer 1$29,144 AUD
Retailer 9$31,631 AUD
Retailer 4$35,137 AUD
Retailer 2$47,918 AUD
Taylor and Hart$52,629 AUD
Retailer 10$94,356 AUD

19 data points across 11 retailers

12 retailers$16,121 AUD to $52,629 AUD

A
Cheapest Retailer
-
$16,121 AUD
$11,324 USD
A
Retailer 2
-
$16,826 AUD
$11,819 USD
View
A
Retailer 3
-
$17,567 AUD
$12,340 USD
View
A
Retailer 4
-
$20,581 AUD
£11,383 GBP
View
A
Retailer 5
-
$27,309 AUD
£15,105 GBP
View
B+
Retailer 6
-
$29,144 AUD
€19,497 EUR
View
B+
Retailer 7
-
$31,631 AUD
$22,219 USD
View
B+
Retailer 8
-
$35,137 AUD
ZAR 398,734 ZAR
View
B+
Retailer 9
-
$40,089 AUD
$28,160 USD
View
B
Retailer 10
-
$47,918 AUD
$33,660 USD
View
Most Expensive
B
Taylor and Hart
QRRATCH · Oct 30
$52,629 AUD
$36,969 USD
View
10 more retailers have this diamond
Prices start from $16,121 AUDSave up to $36,508 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
$16,121 AUD