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Radiant|Lab Grown|IGI

5.09ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG828681283

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

Certificate IGI LG828681283

Diamond specifications and retailer prices

From $15,401 AUD
$10,818 USD
As of October 31, 2026
Save $45,811 AUD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $61,212 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.09ct lab-grown radiant diamond

This 5.09ct 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 LG828681283 or 828681283. Listed at 14 retailers as of October 31, 2026, with prices from $15,401 to $61,212, a $45,811 spread on the same certified stone. With Clarity lists it at $61,212. 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

5.09
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681283
Dimensions12.35 × 8.63 × 5.52 mm
L/W Ratio1.43
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
12.35 mm8.63 mm5.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681283
Side View
Table 63.0%Crown 40.8°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 64.0%

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: Oct 31
Current: $26,789 AUD|Low: $15,401 AUD|High: $65,920 AUD|Avg: $31,273 AUD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 1, 2026
Retailer 9$15,401 AUD
Retailer 5$15,771 AUD
Retailer 12$16,400 AUD
Retailer 8$18,136 AUD
Retailer 11$24,600 AUD
Retailer 7$25,209 AUD
Retailer 1$26,789 AUD
Retailer 10$27,451 AUD
Retailer 3$30,492 AUD
Retailer 6$34,374 AUD
Retailer 4$44,636 AUD
Retailer 2$47,228 AUD
With Clarity$61,212 AUD

20 data points across 13 retailers

14 retailers$15,401 AUD to $61,212 AUD

A
Cheapest Retailer
-
$15,401 AUD
$10,818 USD
A
Retailer 2
-
$15,771 AUD
$11,078 USD
View
A
Retailer 3
-
$16,400 AUD
HK$90,000 HKD
View
A
Retailer 4
-
$18,136 AUD
£10,031 GBP
View
A
Retailer 5
-
$24,600 AUD
$17,280 USD
View
A
Retailer 6
-
$25,209 AUD
€16,865 EUR
View
B+
Retailer 7
-
$26,789 AUD
£14,817 GBP
View
B+
Retailer 8
-
$27,451 AUD
$19,283 USD
View
B+
Retailer 9
-
$30,492 AUD
ZAR 346,025 ZAR
View
B+
Retailer 10
-
$32,608 AUD
$22,905 USD
View
B+
Retailer 11
-
$34,374 AUD
View
B
Retailer 12
-
$44,636 AUD
$31,354 USD
View
B
Retailer 13
-
$47,228 AUD
$33,175 USD
View
Most Expensive
B
With Clarity
828681283 · Oct 31
$61,212 AUD
$42,998 USD
View
13 more retailers have this diamond
Prices start from $15,401 AUDSave up to $45,811 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
5.09ct Radiant
$15,401 AUD