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Radiant|Lab Grown|IGI

5.10ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG787621181

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

Certificate IGI LG787621181

Diamond specifications and retailer prices

From HK$82,945 HKD
$10,572 USD
As of October 30, 2026
Save HK$207,103 HKD (71%) vs most expensive(unlock to see where)
13 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 LG787621181 or 787621181. Listed at 13 retailers as of October 30, 2026, with prices from HK$82,945 to HK$290,048, a HK$207,103 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 angle44.4°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787621181
Dimensions12.03 × 8.63 × 5.75 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
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787621181
Side View
Table 63.0%Crown 44.4°Girdle: MED-STKPavilion 34°Culet: NoneDepth 66.6%

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$160,616 HKD|Low: HK$80,017 HKD|High: HK$520,013 HKD|Avg: HK$180,265 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
Retailer 12
Retailer 13
Taylor and Hart
October 31, 2026
Retailer 5HK$80,017 HKD
Retailer 11HK$82,945 HKD
Retailer 13HK$88,845 HKD
Retailer 2HK$92,728 HKD
Retailer 10HK$96,816 HKD
Retailer 7HK$113,423 HKD
Retailer 6HK$134,789 HKD
Retailer 9HK$150,507 HKD
Retailer 1HK$160,616 HKD
Retailer 4HK$174,324 HKD
Retailer 8HK$193,645 HKD
Retailer 12HK$264,086 HKD
Taylor and HartHK$290,048 HKD
Retailer 3HK$520,013 HKD

35 data points across 14 retailers

13 retailersHK$82,945 HKD to HK$290,048 HKD

A
Cheapest Retailer
-
HK$82,945 HKD
$10,572 USD
A
Retailer 2
-
HK$88,845 HKD
$11,324 USD
View
A
Retailer 3
-
HK$92,728 HKD
$11,819 USD
View
A
Retailer 4
-
HK$96,816 HKD
$12,340 USD
View
A
Retailer 5
-
HK$113,423 HKD
£11,383 GBP
View
A
Retailer 6
-
HK$134,789 HKD
$17,180 USD
View
A
Retailer 7
-
HK$150,507 HKD
£15,105 GBP
View
B+
Retailer 8
-
HK$160,616 HKD
€19,497 EUR
View
B+
Retailer 9
-
HK$174,324 HKD
$22,219 USD
View
B+
Retailer 10
-
HK$193,645 HKD
ZAR 398,734 ZAR
View
B+
Retailer 11
-
HK$264,086 HKD
$33,660 USD
View
Most Expensive
B
Taylor and Hart
96R8Q77 · Oct 30
HK$290,048 HKD
$36,969 USD
View
11 more retailers have this diamond
Prices start from HK$82,945 HKDSave up to HK$207,103 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$82,945 HKD