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Radiant|Lab Grown|IGI

5.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784644672

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

Certificate IGI LG784644672

Diamond specifications and retailer prices

From HK$70,501 HKD
$8,986 USD
As of October 30, 2026
Save HK$157,331 HKD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$227,833 HKD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 5.1ct lab-grown radiant diamond

This 5.1ct 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 LG784644672 or 784644672. Listed at 15 retailers as of October 30, 2026, with prices from HK$70,501 to HK$227,833, a HK$157,331 spread on the same certified stone. Frank Darling lists it at HK$227,833. 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

5.10
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644672
Dimensions12.06 × 8.45 × 5.88 mm
L/W Ratio1.43
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
12.06 mm8.45 mm5.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644672
Side View
Table 67.0%Crown 40.9°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 69.6%

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$227,833 HKD|Low: HK$70,501 HKD|High: HK$475,999 HKD|Avg: HK$139,763 HKD|-12.5%
Frank Darling
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
October 30, 2026
Retailer 10HK$70,501 HKD
Retailer 12HK$70,941 HKD
Retailer 6HK$71,812 HKD
Retailer 4HK$73,326 HKD
Retailer 15HK$80,968 HKD
Retailer 3HK$84,600 HKD
Retailer 13HK$89,527 HKD
Retailer 11HK$94,596 HKD
Retailer 9HK$94,972 HKD
Retailer 7HK$95,137 HKD
Retailer 8HK$145,794 HKD
Retailer 2HK$156,836 HKD
Retailer 5HK$159,141 HKD
Frank DarlingHK$227,833 HKD
Retailer 14HK$439,908 HKD

38 data points across 15 retailers

15 retailersHK$70,501 HKD to HK$227,833 HKD

A+
Cheapest Retailer
-
HK$70,501 HKD
$8,986 USD
A
Retailer 2
-
HK$70,941 HKD
$9,042 USD
View
A
Retailer 3
-
HK$71,812 HKD
$9,153 USD
View
A
Retailer 4
-
HK$73,326 HKD
$9,346 USD
View
A
Retailer 5
-
HK$80,968 HKD
$10,320 USD
View
A
Retailer 6
-
HK$84,600 HKD
$10,783 USD
View
A
Retailer 7
-
HK$89,527 HKD
$11,411 USD
View
A
Retailer 8
-
HK$94,596 HKD
$12,057 USD
View
A
Retailer 9
-
HK$94,972 HKD
$12,105 USD
View
A
Retailer 10
-
HK$95,137 HKD
$12,126 USD
View
Final sale: no returns
A
Retailer 11
-
HK$145,794 HKD
£14,632 GBP
View
B+
Retailer 12
-
HK$156,836 HKD
$19,990 USD
View
Retailer 13
-
HK$159,141 HKD
€19,318 EUR
View
Price last confirmed 8 days ago
Most Expensive
B+
Frank Darling
P83F-5EL · Oct 31
HK$227,833 HKD
$29,039 USD
View
13 more retailers have this diamond
Prices start from HK$70,501 HKDSave up to HK$157,331 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+
5.10ct Radiant
HK$70,501 HKD