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Radiant|Lab Grown|IGI

5.09ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG828681283

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

Certificate IGI LG828681283

Diamond specifications and retailer prices

From HK$84,875 HKD
$10,818 USD
As of October 31, 2026
Save HK$252,475 HKD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$337,349 HKD at With Clarity · As of October 31, 2026
View at With Clarity

About this 5.09ct lab-grown radiant diamond

This 5.09ct 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 LG828681283 or 828681283. Listed at 13 retailers as of October 31, 2026, with prices from HK$84,875 to HK$337,349, a HK$252,475 spread on the same certified stone. With Clarity lists it at HK$337,349. 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

5.09
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681283
Dimensions12.35 × 8.63 × 5.52 mm
L/W Ratio1.43
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
12.35 mm8.63 mm5.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681283
Side View
Table 63.0%Crown 40.8°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 64.0%

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$138,934 HKD|Low: HK$84,875 HKD|High: HK$363,295 HKD|Avg: HK$172,888 HKD|-7.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
With Clarity
October 31, 2026
Retailer 5HK$84,875 HKD
Retailer 8HK$90,382 HKD
Retailer 2HK$93,576 HKD
Retailer 4HK$99,949 HKD
Retailer 7HK$135,574 HKD
Retailer 1HK$138,934 HKD
Retailer 11HK$143,921 HKD
Retailer 6HK$151,289 HKD
Retailer 10HK$168,047 HKD
Retailer 3HK$245,997 HKD
Retailer 9HK$260,280 HKD
With ClarityHK$337,349 HKD

19 data points across 12 retailers

13 retailersHK$84,875 HKD to HK$337,349 HKD

A
Cheapest Retailer
-
HK$84,875 HKD
$10,818 USD
A
Retailer 2
-
HK$90,382 HKD
View
A
Retailer 3
-
HK$93,576 HKD
$11,927 USD
View
A
Retailer 4
-
HK$99,949 HKD
£10,031 GBP
View
A
Retailer 5
-
HK$135,574 HKD
$17,280 USD
View
A
Retailer 6
-
HK$138,934 HKD
€16,865 EUR
View
A
Retailer 7
-
HK$143,921 HKD
£14,444 GBP
View
B+
Retailer 8
-
HK$151,289 HKD
$19,283 USD
View
B+
Retailer 9
-
HK$168,047 HKD
ZAR 346,025 ZAR
View
B+
Retailer 10
-
HK$179,706 HKD
$22,905 USD
View
B
Retailer 11
-
HK$245,997 HKD
$31,354 USD
View
B
Retailer 12
-
HK$260,280 HKD
$33,175 USD
View
Most Expensive
B
With Clarity
828681283 · Oct 31
HK$337,349 HKD
$42,998 USD
View
12 more retailers have this diamond
Prices start from HK$84,875 HKDSave up to HK$252,475 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
5.09ct Radiant
HK$84,875 HKD