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Radiant|Lab Grown|IGI

5.16ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG803623573

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

Certificate IGI LG803623573

Diamond specifications and retailer prices

From $12,754 AUD
$8,959 USD
As of October 30, 2026
Save $51,877 AUD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $64,631 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 5.16ct lab-grown radiant diamond

This 5.16ct 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 LG803623573 or 803623573. Listed at 22 retailers as of October 29, 2026, with prices from $12,754 to $64,631, a $51,877 spread on the same certified stone. Do Amore Diamonds lists it at $64,631. 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

5.16
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803623573
Dimensions12.58 × 8.60 × 5.67 mm
L/W Ratio1.46
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
12.58 mm8.60 mm5.16 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803623573
Side View
Table 63.0%Crown 42.4°Girdle: Slightly ThickPavilion 35.9°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
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 30
Current: $64,631 AUD|Low: $12,754 AUD|High: $131,629 AUD|Avg: $38,891 AUD|-17.8%
Do Amore Diamonds
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 3$12,754 AUD
Retailer 13$15,003 AUD
Retailer 7$16,155 AUD
Retailer 16$16,535 AUD
Retailer 15$17,012 AUD
Retailer 14$18,033 AUD
Retailer 17$18,101 AUD
Retailer 2$22,005 AUD
Retailer 9$26,469 AUD
Retailer 11$28,506 AUD
Retailer 12$29,395 AUD
Retailer 10$37,531 AUD
Retailer 4$46,052 AUD
Retailer 6$54,814 AUD
Retailer 5$59,453 AUD
Do Amore Diamonds$64,631 AUD
Retailer 8$108,253 AUD

39 data points across 17 retailers

22 retailers$12,754 AUD to $64,631 AUD

A
Cheapest Retailer
-
$12,754 AUD
$8,959 USD
A
Retailer 2
-
$14,427 AUD
$10,134 USD
View
A
Retailer 3
-
$15,003 AUD
$10,539 USD
View
A
Retailer 4
-
$16,155 AUD
$11,348 USD
View
Final sale: no returns
A
Retailer 5
-
$16,535 AUD
$11,615 USD
View
A
Retailer 6
-
$16,734 AUD
$11,755 USD
View
Retailer 7
-
$16,734 AUD
$11,755 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
$17,012 AUD
$11,950 USD
View
A
Retailer 9
-
$17,311 AUD
$12,160 USD
View
A
Retailer 10
-
$18,033 AUD
$12,667 USD
View
A
Retailer 11
-
$18,101 AUD
$12,715 USD
View
A
Retailer 12
-
$22,005 AUD
£12,171 GBP
View
A
Retailer 13
-
$26,469 AUD
£14,640 GBP
View
B+
Retailer 14
-
$28,506 AUD
£15,767 GBP
View
Retailer 15
-
$29,395 AUD
€19,665 EUR
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$37,531 AUD
ZAR 425,899 ZAR
View
B+
Retailer 17
-
$46,052 AUD
$32,349 USD
View
B
Retailer 18
-
$51,321 AUD
$36,050 USD
View
B
Retailer 19
-
$54,814 AUD
$38,504 USD
View
B
Retailer 20
-
$59,453 AUD
$41,763 USD
View
Most Expensive
B
Do Amore Diamonds
27-E2C4B1BBE · Oct 29
$64,631 AUD
$45,400 USD
View
20 more retailers have this diamond
Prices start from $12,754 AUDSave up to $51,877 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
5.16ct Radiant
$12,754 AUD