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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 $15,896 NZD
$8,959 USD
As of October 31, 2026
Save $64,657 NZD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $80,553 NZD at Do Amore Diamonds · As of October 31, 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 31, 2026, with prices from $15,896 to $80,553, a $64,657 spread on the same certified stone. Do Amore Diamonds lists it at $80,553. 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

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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: $80,553 NZD|Low: $15,896 NZD|High: $164,055 NZD|Avg: $43,117 NZD|-17.5%
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
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 3$15,896 NZD
Retailer 11$17,981 NZD
Retailer 16$18,699 NZD
Retailer 8$20,135 NZD
Retailer 19$20,608 NZD
Retailer 4$20,857 NZD
Retailer 18$21,203 NZD
Retailer 12$21,575 NZD
Retailer 17$22,475 NZD
Retailer 20$22,560 NZD
Retailer 13$27,426 NZD
Retailer 10$32,989 NZD
Retailer 15$35,529 NZD
Retailer 2$36,729 NZD
Retailer 14$46,776 NZD
Retailer 5$57,397 NZD
Retailer 7$68,317 NZD
Retailer 6$74,100 NZD
Do Amore Diamonds$80,553 NZD
Retailer 9$134,921 NZD

40 data points across 20 retailers

22 retailers$15,896 NZD to $80,553 NZD

A
Cheapest Retailer
-
$15,896 NZD
$8,959 USD
A
Retailer 2
-
$17,981 NZD
$10,134 USD
View
A
Retailer 3
-
$18,699 NZD
$10,539 USD
View
A
Retailer 4
-
$20,135 NZD
$11,348 USD
View
Final sale: no returns
A
Retailer 5
-
$20,608 NZD
$11,615 USD
View
A
Retailer 6
-
$20,857 NZD
$11,755 USD
View
Retailer 7
-
$20,857 NZD
$11,755 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$21,203 NZD
$11,950 USD
View
A
Retailer 9
-
$21,575 NZD
$12,160 USD
View
A
Retailer 10
-
$22,475 NZD
$12,667 USD
View
A
Retailer 11
-
$22,560 NZD
$12,715 USD
View
A
Retailer 12
-
$27,426 NZD
£12,171 GBP
View
A
Retailer 13
-
$32,989 NZD
£14,640 GBP
View
B+
Retailer 14
-
$35,529 NZD
£15,767 GBP
View
B+
Retailer 15
-
$36,729 NZD
€19,715 EUR
View
B+
Retailer 16
-
$46,776 NZD
ZAR 425,899 ZAR
View
B+
Retailer 17
-
$57,397 NZD
$32,349 USD
View
B
Retailer 18
-
$63,963 NZD
$36,050 USD
View
B
Retailer 19
-
$68,317 NZD
$38,504 USD
View
B
Retailer 20
-
$74,100 NZD
$41,763 USD
View
Most Expensive
B
Do Amore Diamonds
27-E2C4B1BBE · Oct 31
$80,553 NZD
$45,400 USD
View
20 more retailers have this diamond
Prices start from $15,896 NZDSave up to $64,657 NZD

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
$15,896 NZD