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Radiant|Lab Grown|IGI

5.17ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG804665318

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

Certificate IGI LG804665318

Diamond specifications and retailer prices

From HK$71,451 HKD
$9,107 USD
As of October 30, 2026
Save HK$76,306 HKD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$161,333 HKD at Yorxs · As of October 23, 2026
View at Yorxs

About this 5.17ct lab-grown radiant diamond

This 5.17ct 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 LG804665318 or 804665318. Listed at 14 retailers as of October 29, 2026, with a 107% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.17
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665318
Dimensions11.98 × 8.54 × 5.82 mm
L/W Ratio1.40
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
11.98 mm8.54 mm5.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665318
Side View
Table 59.0%Crown 38.8°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 68.1%

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 30
Current: HK$136,594 HKD|Low: HK$71,451 HKD|High: HK$482,432 HKD|Avg: HK$135,619 HKD|-40.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Yorxs
October 30, 2026
Retailer 8HK$71,451 HKD
Retailer 10HK$71,882 HKD
Retailer 4HK$72,792 HKD
Retailer 3HK$74,307 HKD
Retailer 13HK$82,027 HKD
Retailer 2HK$85,738 HKD
Retailer 11HK$90,728 HKD
Retailer 9HK$95,851 HKD
Retailer 7HK$95,874 HKD
Retailer 5HK$96,424 HKD
Retailer 1HK$136,594 HKD
Retailer 6HK$147,757 HKD
YorxsHK$161,333 HKD
Retailer 12HK$445,871 HKD

38 data points across 14 retailers

14 retailersHK$71,451 HKD to HK$147,757 HKD

A
Cheapest Retailer
-
HK$71,451 HKD
$9,107 USD
A
Retailer 2
-
HK$71,882 HKD
$9,162 USD
View
A
Retailer 3
-
HK$72,792 HKD
$9,278 USD
View
A
Retailer 4
-
HK$74,307 HKD
$9,471 USD
View
A
Retailer 5
-
HK$82,027 HKD
$10,455 USD
View
A
Retailer 6
-
HK$85,738 HKD
$10,928 USD
View
A
Retailer 7
-
HK$90,728 HKD
$11,564 USD
View
A
Retailer 8
-
HK$95,851 HKD
$12,217 USD
View
A
Retailer 9
-
HK$95,874 HKD
$12,220 USD
View
A
Retailer 10
-
HK$96,424 HKD
$12,290 USD
View
Final sale: no returns
A
Retailer 11
-
HK$136,594 HKD
$17,410 USD
View
B+
Retailer 12
-
HK$147,757 HKD
£14,829 GBP
View
Most Expensive
Yorxs
557461931 · Oct 23
HK$161,333 HKD
€19,584 EUR
View
Price last confirmed 8 days ago
12 more retailers have this diamond
Prices start from HK$71,451 HKDSave up to HK$76,306 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
5.17ct Radiant
HK$71,451 HKD