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 $8,959 USD
As of October 28, 2026
Save $36,441 USD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $45,400 USD 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 28, 2026, with prices from $8,959 to $45,400, a $36,441 spread on the same certified stone. Do Amore Diamonds lists it at $45,400. 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
Color
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

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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 28
Current: $45,400 USD|Low: $8,959 USD|High: $92,714 USD|Avg: $28,493 USD|-17.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 29, 2026
Retailer 3$8,959 USD
Retailer 13$10,539 USD
Retailer 7$11,348 USD
Retailer 16$11,615 USD
Retailer 15$11,950 USD
Retailer 14$12,667 USD
Retailer 17$12,715 USD
Retailer 10$15,364 USD
Retailer 9$18,593 USD
Retailer 2$20,024 USD
Retailer 12$20,648 USD
Retailer 11$26,260 USD
Retailer 4$32,349 USD
Retailer 6$38,504 USD
Retailer 5$41,763 USD
Do Amore Diamonds$45,400 USD
Retailer 8$76,042 USD

38 data points across 17 retailers

22 retailers$8,959 USD to $45,400 USD

A
Cheapest Retailer
-
$8,959 USD
A
Retailer 2
-
$10,134 USD
View
A
Retailer 3
-
$10,539 USD
View
A
Retailer 4
-
$11,348 USD
View
Final sale: no returns
A
Retailer 5
-
$11,615 USD
View
A
Retailer 6
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$11,755 USD
View
A
Retailer 7
-
$11,755 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$11,950 USD
View
A
Retailer 9
-
$12,160 USD
View
A
Retailer 10
-
$12,667 USD
View
A
Retailer 11
-
$12,715 USD
View
A
Retailer 12
-
$15,364 USD
£12,098 GBP
View
A
Retailer 13
-
$18,593 USD
£14,640 GBP
View
B+
Retailer 14
-
$20,024 USD
£15,767 GBP
View
B+
Retailer 15
-
$20,648 USD
€19,665 EUR
View
B+
Retailer 16
-
$26,260 USD
ZAR 424,228 ZAR
View
B+
Retailer 17
-
$32,349 USD
View
B
Retailer 18
-
$36,050 USD
View
B
Retailer 19
-
$38,504 USD
View
B
Retailer 20
-
$41,763 USD
View
Most Expensive
B
Do Amore Diamonds
27-E2C4B1BBE · Oct 29
$45,400 USD
View
20 more retailers have this diamond
Prices start from $8,959 USDSave up to $36,441 USD

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
$8,959 USD