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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 HK$70,290 HKD
$8,959 USD
As of October 31, 2026
Save HK$285,905 HKD (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$356,195 HKD 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 HK$70,290 to HK$356,195, a HK$285,905 spread on the same certified stone. Do Amore Diamonds lists it at HK$356,195. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$356,195 HKD|Low: HK$70,290 HKD|High: HK$725,429 HKD|Avg: HK$214,337 HKD|-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 3HK$70,290 HKD
Retailer 13HK$82,686 HKD
Retailer 7HK$89,033 HKD
Retailer 16HK$91,128 HKD
Retailer 15HK$93,756 HKD
Retailer 14HK$99,381 HKD
Retailer 17HK$99,758 HKD
Retailer 2HK$121,273 HKD
Retailer 9HK$145,874 HKD
Retailer 11HK$157,103 HKD
Retailer 12HK$162,000 HKD
Retailer 10HK$206,837 HKD
Retailer 4HK$253,801 HKD
Retailer 6HK$302,087 HKD
Retailer 5HK$327,658 HKD
Do Amore DiamondsHK$356,195 HKD
Retailer 8HK$596,603 HKD

39 data points across 17 retailers

22 retailersHK$70,290 HKD to HK$356,195 HKD

A
Cheapest Retailer
-
HK$70,290 HKD
$8,959 USD
A
Retailer 2
-
HK$79,508 HKD
$10,134 USD
View
A
Retailer 3
-
HK$82,686 HKD
$10,539 USD
View
A
Retailer 4
-
HK$89,033 HKD
$11,348 USD
View
Final sale: no returns
A
Retailer 5
-
HK$91,128 HKD
$11,615 USD
View
A
Retailer 6
-
HK$92,226 HKD
$11,755 USD
View
Retailer 7
-
HK$92,226 HKD
$11,755 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
HK$93,756 HKD
$11,950 USD
View
A
Retailer 9
-
HK$95,404 HKD
$12,160 USD
View
A
Retailer 10
-
HK$99,381 HKD
$12,667 USD
View
A
Retailer 11
-
HK$99,758 HKD
$12,715 USD
View
A
Retailer 12
-
HK$121,273 HKD
£12,171 GBP
View
A
Retailer 13
-
HK$145,874 HKD
£14,640 GBP
View
B+
Retailer 14
-
HK$157,103 HKD
£15,767 GBP
View
Retailer 15
-
HK$162,000 HKD
€19,665 EUR
View
Price last confirmed 7 days ago
B+
Retailer 16
-
HK$206,837 HKD
ZAR 425,899 ZAR
View
B+
Retailer 17
-
HK$253,801 HKD
$32,349 USD
View
B
Retailer 18
-
HK$282,837 HKD
$36,050 USD
View
B
Retailer 19
-
HK$302,087 HKD
$38,504 USD
View
B
Retailer 20
-
HK$327,658 HKD
$41,763 USD
View
Most Expensive
B
Do Amore Diamonds
27-E2C4B1BBE · Oct 29
HK$356,195 HKD
$45,400 USD
View
20 more retailers have this diamond
Prices start from HK$70,290 HKDSave up to HK$285,905 HKD

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
HK$70,290 HKD