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Radiant|Lab Grown|IGI

5.08ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG780665290

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

Certificate IGI LG780665290

Diamond specifications and retailer prices

From HK$65,621 HKD
$8,364 USD
As of October 30, 2026
Save HK$146,262 HKD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$211,883 HKD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 5.08ct lab-grown radiant diamond

This 5.08ct 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 LG780665290 or 780665290. Listed at 15 retailers as of October 30, 2026, with prices from HK$65,621 to HK$211,883, a HK$146,262 spread on the same certified stone. Frank Darling lists it at HK$211,883. 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

5.08
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665290
Dimensions11.92 × 8.55 × 5.71 mm
L/W Ratio1.39
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
11.92 mm8.55 mm5.08 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665290
Side View
Table 59.0%Crown 38.2°Girdle: ThickPavilion 33.1°Culet: NoneDepth 66.8%

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$211,883 HKD|Low: HK$65,621 HKD|High: HK$479,765 HKD|Avg: HK$134,649 HKD|-18.3%
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$65,621 HKD
Retailer 12HK$66,673 HKD
Retailer 6HK$68,069 HKD
Retailer 4HK$68,250 HKD
Retailer 15HK$75,476 HKD
Retailer 13HK$84,679 HKD
Retailer 11HK$88,084 HKD
Retailer 9HK$90,500 HKD
Retailer 3HK$94,501 HKD
Retailer 7HK$94,776 HKD
Retailer 2HK$127,650 HKD
Retailer 5HK$147,880 HKD
Retailer 8HK$150,786 HKD
Frank DarlingHK$211,883 HKD
Retailer 14HK$409,467 HKD

40 data points across 15 retailers

15 retailersHK$65,621 HKD to HK$211,883 HKD

A+
Cheapest Retailer
-
HK$65,621 HKD
$8,364 USD
A
Retailer 2
-
HK$66,673 HKD
$8,498 USD
View
A
Retailer 3
-
HK$68,069 HKD
$8,676 USD
View
A
Retailer 4
-
HK$68,250 HKD
$8,699 USD
View
A
Retailer 5
-
HK$75,476 HKD
$9,620 USD
View
A
Retailer 6
-
HK$84,679 HKD
$10,793 USD
View
A
Retailer 7
-
HK$88,084 HKD
$11,227 USD
View
A
Retailer 8
-
HK$90,500 HKD
$11,535 USD
View
A
Retailer 9
-
HK$94,501 HKD
$12,045 USD
View
A
Retailer 10
-
HK$94,776 HKD
$12,080 USD
View
Final sale: no returns
A
Retailer 11
-
HK$127,650 HKD
$16,270 USD
View
Retailer 12
-
HK$147,880 HKD
€17,951 EUR
View
Price last confirmed 7 days ago
B+
Retailer 13
-
HK$150,786 HKD
£15,133 GBP
View
Most Expensive
B+
Frank Darling
P82P-28EL · Oct 31
HK$211,883 HKD
$27,006 USD
View
13 more retailers have this diamond
Prices start from HK$65,621 HKDSave up to HK$146,262 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+
5.08ct Radiant
HK$65,621 HKD