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Radiant|Lab Grown|IGI

5.10ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG828616343

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

Certificate IGI LG828616343

Diamond specifications and retailer prices

From HK$85,157 HKD
$10,854 USD
As of October 31, 2026
Save HK$175,545 HKD (67%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$260,703 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828616343 or 828616343. Listed at 14 retailers as of October 30, 2026, with prices from HK$85,157 to HK$260,703, a HK$175,545 spread on the same certified stone. Taylor and Hart lists it at HK$260,703. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828616343
Dimensions12.16 × 8.68 × 5.63 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
12.16 mm8.68 mm5.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828616343
Side View
Table 63.0%Crown 40.9°Girdle: MediumPavilion 33.4°Culet: NoneDepth 64.9%

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 31
Current: HK$100,145 HKD|Low: HK$85,157 HKD|High: HK$485,343 HKD|Avg: HK$179,044 HKD|-8.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 31, 2026
Retailer 5HK$85,157 HKD
Retailer 2HK$86,107 HKD
Retailer 8HK$90,483 HKD
Retailer 3HK$93,756 HKD
Retailer 1HK$100,145 HKD
Retailer 7HK$124,511 HKD
Retailer 11HK$144,200 HKD
Retailer 12HK$149,528 HKD
Retailer 6HK$151,571 HKD
Retailer 10HK$168,369 HKD
Retailer 4HK$246,481 HKD
Taylor and HartHK$260,703 HKD
Retailer 9HK$450,673 HKD

19 data points across 13 retailers

14 retailersHK$85,157 HKD to HK$260,703 HKD

A
Cheapest Retailer
-
HK$85,157 HKD
$10,854 USD
A
Retailer 2
-
HK$86,107 HKD
$10,975 USD
View
A
Retailer 3
-
HK$90,483 HKD
View
A
Retailer 4
-
HK$93,756 HKD
$11,950 USD
View
A
Retailer 5
-
HK$100,145 HKD
£10,051 GBP
View
A
Retailer 6
-
HK$124,511 HKD
$15,870 USD
View
A
Retailer 7
-
HK$144,200 HKD
£14,472 GBP
View
Retailer 8
-
HK$149,528 HKD
€18,151 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$151,571 HKD
$19,319 USD
View
B+
Retailer 10
-
HK$168,369 HKD
ZAR 346,688 ZAR
View
B+
Retailer 11
-
HK$180,059 HKD
$22,950 USD
View
B
Retailer 12
-
HK$246,481 HKD
$31,416 USD
View
Most Expensive
B
Taylor and Hart
8M0LO44 · Oct 30
HK$260,703 HKD
$33,229 USD
View
12 more retailers have this diamond
Prices start from HK$85,157 HKDSave up to HK$175,545 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$85,157 HKD