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Radiant|Lab Grown|IGI

5.10ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG828681234

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

Certificate IGI LG828681234

Diamond specifications and retailer prices

From HK$88,845 HKD
$11,324 USD
As of October 31, 2026
Save HK$201,203 HKD (69%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$290,048 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG828681234 or 828681234. Listed at 12 retailers as of October 30, 2026, with prices from HK$88,845 to HK$290,048, a HK$201,203 spread on the same certified stone. Taylor and Hart lists it at HK$290,048. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681234
Dimensions12.03 × 8.63 × 5.64 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
12.03 mm8.63 mm5.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681234
Side View
Table 63.0%Crown 44°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 65.4%

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 31
Current: HK$160,616 HKD|Low: HK$88,845 HKD|High: HK$520,013 HKD|Avg: HK$198,029 HKD|+0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 31, 2026
Retailer 7HK$88,845 HKD
Retailer 8HK$92,728 HKD
Retailer 6HK$96,816 HKD
Retailer 3HK$113,423 HKD
Retailer 5HK$150,507 HKD
Retailer 1HK$160,616 HKD
Retailer 9HK$174,324 HKD
Retailer 4HK$193,645 HKD
Retailer 2HK$264,086 HKD
Taylor and HartHK$290,048 HKD
Retailer 10HK$520,013 HKD

19 data points across 11 retailers

12 retailersHK$88,845 HKD to HK$290,048 HKD

A
Cheapest Retailer
-
HK$88,845 HKD
$11,324 USD
A
Retailer 2
-
HK$92,728 HKD
$11,819 USD
View
A
Retailer 3
-
HK$96,816 HKD
$12,340 USD
View
A
Retailer 4
-
HK$113,423 HKD
£11,383 GBP
View
A
Retailer 5
-
HK$150,507 HKD
£15,105 GBP
View
B+
Retailer 6
-
HK$160,616 HKD
€19,497 EUR
View
B+
Retailer 7
-
HK$174,324 HKD
$22,219 USD
View
B+
Retailer 8
-
HK$193,645 HKD
ZAR 398,734 ZAR
View
B+
Retailer 9
-
HK$220,935 HKD
$28,160 USD
View
B
Retailer 10
-
HK$264,086 HKD
$33,660 USD
View
Most Expensive
B
Taylor and Hart
QRRATCH · Oct 30
HK$290,048 HKD
$36,969 USD
View
10 more retailers have this diamond
Prices start from HK$88,845 HKDSave up to HK$201,203 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$88,845 HKD