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Radiant|Lab Grown|IGI

5.28ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG787623453

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

Certificate IGI LG787623453

Diamond specifications and retailer prices

From HK$85,746 HKD
$10,929 USD
As of October 30, 2026
Save HK$210,414 HKD (71%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$296,160 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.28ct lab-grown radiant diamond

This 5.28ct 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 LG787623453 or 787623453. Listed at 11 retailers as of October 30, 2026, with prices from HK$85,746 to HK$296,160, a HK$210,414 spread on the same certified stone. Taylor and Hart lists it at HK$296,160. 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

5.28
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787623453
Dimensions12.11 × 8.73 × 5.84 mm
L/W Ratio1.39
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
12.11 mm8.73 mm5.28 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787623453
Side View
Table 62.0%Crown 42.3°Girdle: Slightly ThickPavilion 35.1°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
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$166,292 HKD|Low: HK$85,746 HKD|High: HK$538,364 HKD|Avg: HK$188,318 HKD|-15.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 31, 2026
Retailer 8HK$85,746 HKD
Retailer 10HK$94,180 HKD
Retailer 11HK$95,992 HKD
Retailer 7HK$98,738 HKD
Retailer 5HK$117,409 HKD
Retailer 4HK$139,497 HKD
Retailer 3HK$147,022 HKD
Retailer 6HK$155,708 HKD
Retailer 1HK$166,292 HKD
Retailer 9HK$273,407 HKD
Taylor and HartHK$296,160 HKD
Retailer 2HK$538,364 HKD

33 data points across 12 retailers

11 retailersHK$85,746 HKD to HK$296,160 HKD

A
Cheapest Retailer
-
HK$85,746 HKD
$10,929 USD
A
Retailer 2
-
HK$94,180 HKD
$12,004 USD
View
A
Retailer 3
-
HK$95,992 HKD
$12,235 USD
View
A
Retailer 4
-
HK$98,738 HKD
$12,585 USD
View
A
Retailer 5
-
HK$117,409 HKD
£11,783 GBP
View
A
Retailer 6
-
HK$139,497 HKD
$17,780 USD
View
A
Retailer 7
-
HK$155,708 HKD
£15,627 GBP
View
B+
Retailer 8
-
HK$166,292 HKD
€20,186 EUR
View
B
Retailer 9
-
HK$273,407 HKD
$34,848 USD
View
Most Expensive
B
Taylor and Hart
OLY1CTE · Oct 30
HK$296,160 HKD
$37,748 USD
View
9 more retailers have this diamond
Prices start from HK$85,746 HKDSave up to HK$210,414 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
5.28ct Radiant
HK$85,746 HKD