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Radiant|Lab Grown|IGI

5.10ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG828616343

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

Certificate IGI LG828616343

Diamond specifications and retailer prices

From $15,233 AUD
$10,700 USD
As of November 1, 2026
Save $32,072 AUD (68%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $47,304 AUD at Taylor and Hart · As of October 31, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828616343 or 828616343. Listed at 15 retailers as of October 31, 2026, with prices from $15,233 to $47,304, a $32,072 spread on the same certified stone. Taylor and Hart lists it at $47,304. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828616343
Dimensions12.16 × 8.68 × 5.63 mm
L/W Ratio1.40
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
12.16 mm8.68 mm5.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828616343
Side View
Table 63.0%Crown 40.9°Girdle: MediumPavilion 33.4°Culet: NoneDepth 64.9%

Caratlytics Score

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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: Nov 1
Current: $15,233 AUD|Low: $15,233 AUD|High: $88,065 AUD|Avg: $32,326 AUD|-3.0%
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
Taylor and Hart
November 1, 2026
Retailer 1$15,233 AUD
Retailer 11$15,452 AUD
Retailer 7$15,802 AUD
Retailer 2$16,418 AUD
Retailer 10$18,171 AUD
Retailer 13$22,593 AUD
Retailer 9$25,259 AUD
Retailer 6$26,839 AUD
Retailer 12$27,503 AUD
Retailer 4$30,550 AUD
Retailer 8$34,445 AUD
Retailer 5$44,724 AUD
Taylor and Hart$47,304 AUD
Retailer 3$81,774 AUD

20 data points across 14 retailers

15 retailers$15,233 AUD to $47,304 AUD

A
Cheapest Retailer
-
$15,233 AUD
$10,700 USD
A
Retailer 2
-
$15,452 AUD
$10,854 USD
View
A
Retailer 3
-
$15,802 AUD
$11,100 USD
View
A
Retailer 4
-
$16,418 AUD
HK$90,100 HKD
View
A
Retailer 5
-
$18,171 AUD
£10,051 GBP
View
A
Retailer 6
-
$22,593 AUD
$15,870 USD
View
A
Retailer 7
-
$25,259 AUD
€16,898 EUR
View
B+
Retailer 8
-
$26,839 AUD
£14,845 GBP
View
B+
Retailer 9
-
$27,503 AUD
$19,319 USD
View
B+
Retailer 10
-
$30,550 AUD
ZAR 346,688 ZAR
View
B+
Retailer 11
-
$32,672 AUD
$22,950 USD
View
B+
Retailer 12
-
$34,445 AUD
View
B
Retailer 13
-
$44,724 AUD
$31,416 USD
View
Most Expensive
B
Taylor and Hart
8M0LO44 · Oct 31
$47,304 AUD
$33,229 USD
View
13 more retailers have this diamond
Prices start from $15,233 AUDSave up to $32,072 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
$15,233 AUD