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Radiant|Lab Grown|IGI

5.20ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811635548

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

Certificate IGI LG811635548

Diamond specifications and retailer prices

From HK$71,859 HKD
$9,159 USD
As of October 30, 2026
Save HK$76,735 HKD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$162,264 HKD at Yorxs · As of October 23, 2026
View at Yorxs

About this 5.2ct lab-grown radiant diamond

This 5.2ct 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 LG811635548 or 811635548. 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

5.20
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635548
Dimensions12.14 × 8.65 × 5.65 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
12.14 mm8.65 mm5.20 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635548
Side View
Table 63.0%Crown 42.1°Girdle: Slightly ThickPavilion 33.2°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
A+
Exceptional
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 30
Current: HK$137,378 HKD|Low: HK$71,859 HKD|High: HK$485,178 HKD|Avg: HK$140,281 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
Yorxs
October 30, 2026
Retailer 7HK$71,859 HKD
Retailer 9HK$72,282 HKD
Retailer 4HK$73,216 HKD
Retailer 3HK$74,730 HKD
Retailer 12HK$82,498 HKD
Retailer 2HK$86,224 HKD
Retailer 10HK$91,245 HKD
Retailer 6HK$95,796 HKD
Retailer 8HK$96,400 HKD
Retailer 1HK$137,378 HKD
Retailer 5HK$148,594 HKD
YorxsHK$162,264 HKD
Retailer 11HK$448,382 HKD

36 data points across 13 retailers

14 retailersHK$71,859 HKD to HK$148,594 HKD

A+
Cheapest Retailer
-
HK$71,859 HKD
$9,159 USD
A
Retailer 2
-
HK$72,282 HKD
$9,213 USD
View
A
Retailer 3
-
HK$73,216 HKD
$9,332 USD
View
A
Retailer 4
-
HK$74,730 HKD
$9,525 USD
View
A
Retailer 5
-
HK$82,498 HKD
$10,515 USD
View
A
Retailer 6
-
HK$86,224 HKD
$10,990 USD
View
A
Retailer 7
-
HK$91,245 HKD
$11,630 USD
View
A
Retailer 8
-
HK$95,796 HKD
$12,210 USD
View
A
Retailer 9
-
HK$96,400 HKD
$12,287 USD
View
A
Retailer 10
-
HK$137,378 HKD
$17,510 USD
View
A
Retailer 11
-
HK$148,594 HKD
£14,913 GBP
View
Retailer 12
-
HK$151,586 HKD
$19,321 USD
View
Price last confirmed 102 days ago
Most Expensive
Yorxs
571891264 · Oct 23
HK$162,264 HKD
€19,697 EUR
View
Price last confirmed 7 days ago
12 more retailers have this diamond
Prices start from HK$71,859 HKDSave up to HK$76,735 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+
5.20ct Radiant
HK$71,859 HKD