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Radiant|Lab Grown|IGI

5.09ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG762545868

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

Certificate IGI LG762545868

Diamond specifications and retailer prices

From HK$61,754 HKD
$7,871 USD
As of October 31, 2026
Save HK$198,527 HKD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$260,280 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG762545868 or 762545868. Listed at 12 retailers as of October 30, 2026, with prices from HK$61,754 to HK$260,280, a HK$198,527 spread on the same certified stone. Taylor and Hart lists it at HK$260,280. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762545868
Dimensions12.16 × 8.71 × 5.61 mm
L/W Ratio1.40
Culet sizePointed
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 mm8.71 mm5.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762545868
Side View
Table 64.0%Crown 41.1°Girdle: MediumPavilion 34.3°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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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$61,754 HKD|High: HK$277,334 HKD|Avg: HK$143,094 HKD|-10.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 31, 2026
Retailer 5HK$61,754 HKD
Retailer 6HK$66,382 HKD
Retailer 10HK$76,652 HKD
Retailer 8HK$90,784 HKD
Retailer 11HK$93,387 HKD
Retailer 4HK$99,949 HKD
Retailer 7HK$132,592 HKD
Retailer 1HK$138,934 HKD
Retailer 9HK$143,921 HKD
Retailer 2HK$196,170 HKD
Retailer 3HK$245,997 HKD
Taylor and HartHK$260,280 HKD

36 data points across 12 retailers

12 retailersHK$61,754 HKD to HK$260,280 HKD

A
Cheapest Retailer
-
HK$61,754 HKD
$7,871 USD
A
Retailer 2
-
HK$66,382 HKD
$8,461 USD
View
A
Retailer 3
-
HK$76,652 HKD
$9,770 USD
View
A
Retailer 4
-
HK$90,784 HKD
View
A
Retailer 5
-
HK$93,387 HKD
$11,903 USD
View
A
Retailer 6
-
HK$99,949 HKD
£10,031 GBP
View
A
Retailer 7
-
HK$132,592 HKD
$16,900 USD
View
A
Retailer 8
-
HK$138,934 HKD
€16,865 EUR
View
A
Retailer 9
-
HK$143,921 HKD
£14,444 GBP
View
Retailer 10
-
HK$196,170 HKD
A$38,467 AUD
View
Price last confirmed 22 days ago
B
Retailer 11
-
HK$245,997 HKD
$31,354 USD
View
Most Expensive
B
Taylor and Hart
0CYXZR4 · Oct 30
HK$260,280 HKD
$33,175 USD
View
11 more retailers have this diamond
Prices start from HK$61,754 HKDSave up to HK$198,527 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$61,754 HKD