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Radiant|Lab Grown|IGI

5.11ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784642156

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

Certificate IGI LG784642156

Diamond specifications and retailer prices

From HK$70,635 HKD
$9,003 USD
As of October 30, 2026
Save HK$89,223 HKD (56%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$159,858 HKD at Yorxs · As of October 31, 2026
View at Yorxs

About this 5.11ct lab-grown radiant diamond

This 5.11ct 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 LG784642156 or 784642156. Listed at 14 retailers as of October 30, 2026, with prices from HK$70,635 to HK$159,858, a HK$89,223 spread on the same certified stone. Yorxs lists it at HK$159,858. 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

5.11
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642156
Dimensions12.04 × 8.60 × 5.73 mm
L/W Ratio1.40
Culet sizePointed
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
12.04 mm8.60 mm5.11 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642156
Side View
Table 64.0%Crown 39.8°Girdle: ThickPavilion 34.8°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
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$157,149 HKD|Low: HK$70,635 HKD|High: HK$476,940 HKD|Avg: HK$133,823 HKD|-31.1%
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 31, 2026
Retailer 8HK$70,635 HKD
Retailer 10HK$71,074 HKD
Retailer 4HK$71,953 HKD
Retailer 3HK$73,459 HKD
Retailer 13HK$81,125 HKD
Retailer 2HK$84,765 HKD
Retailer 11HK$89,700 HKD
Retailer 9HK$94,776 HKD
Retailer 7HK$95,090 HKD
Retailer 5HK$95,325 HKD
Retailer 6HK$146,073 HKD
Retailer 1HK$157,149 HKD
YorxsHK$159,858 HKD
Retailer 12HK$440,771 HKD

39 data points across 14 retailers

14 retailersHK$70,635 HKD to HK$159,858 HKD

A
Cheapest Retailer
-
HK$70,635 HKD
$9,003 USD
A
Retailer 2
-
HK$71,074 HKD
$9,059 USD
View
A
Retailer 3
-
HK$71,953 HKD
$9,171 USD
View
A
Retailer 4
-
HK$73,459 HKD
$9,363 USD
View
A
Retailer 5
-
HK$81,125 HKD
$10,340 USD
View
A
Retailer 6
-
HK$84,765 HKD
$10,804 USD
View
A
Retailer 7
-
HK$89,700 HKD
$11,433 USD
View
A
Retailer 8
-
HK$94,776 HKD
$12,080 USD
View
A
Retailer 9
-
HK$95,090 HKD
$12,120 USD
View
A
Retailer 10
-
HK$95,325 HKD
$12,150 USD
View
Final sale: no returns
B+
Retailer 11
-
HK$146,073 HKD
£14,660 GBP
View
B+
Retailer 12
-
HK$157,149 HKD
$20,030 USD
View
Most Expensive
B+
Yorxs
528548997 · Oct 31
HK$159,858 HKD
€19,405 EUR
View
12 more retailers have this diamond
Prices start from HK$70,635 HKDSave up to HK$89,223 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
5.11ct Radiant
HK$70,635 HKD