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Radiant|Lab Grown|IGI

5.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG811634431

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

Certificate IGI LG811634431

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)
10 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 LG811634431 or 811634431. Listed at 10 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811634431
Dimensions12.00 × 8.60 × 5.74 mm
L/W Ratio1.40
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
12.00 mm8.60 mm5.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811634431
Side View
Table 64.0%Crown 44.2°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 66.7%

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$190,137 HKD|-16.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
October 31, 2026
Retailer 7HK$88,845 HKD
Retailer 8HK$92,728 HKD
Retailer 5HK$96,816 HKD
Retailer 3HK$113,423 HKD
Retailer 4HK$150,507 HKD
Retailer 2HK$156,836 HKD
Retailer 1HK$160,616 HKD
Retailer 6HK$264,086 HKD
Taylor and HartHK$290,048 HKD
Retailer 9HK$520,013 HKD

32 data points across 10 retailers

10 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$156,836 HKD
$19,990 USD
View
B+
Retailer 7
-
HK$160,616 HKD
€19,497 EUR
View
B
Retailer 8
-
HK$264,086 HKD
$33,660 USD
View
Most Expensive
B
Taylor and Hart
YGY5TCH · Oct 30
HK$290,048 HKD
$36,969 USD
View
8 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