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Radiant|Lab Grown|IGI

5.25ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG818640333

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

Certificate IGI LG818640333

Diamond specifications and retailer prices

From HK$46,917 HKD
$5,980 USD
As of October 27, 2026
Save HK$160,515 HKD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$207,432 HKD at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.25ct lab-grown radiant diamond

This 5.25ct 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 LG818640333 or 818640333. Listed at 21 retailers as of October 27, 2026, with prices from HK$46,917 to HK$207,432, a HK$160,515 spread on the same certified stone. With Clarity lists it at HK$207,432. 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

5.25
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818640333
Dimensions12.20 × 8.86 × 5.65 mm
L/W Ratio1.38
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
12.20 mm8.86 mm5.25 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818640333
Side View
Table 60.0%Crown 39.9°Girdle: Slightly ThickPavilion 32.6°Culet: NoneDepth 63.8%

Caratlytics Score

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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 27
Current: HK$110,568 HKD|Low: HK$46,917 HKD|High: HK$207,432 HKD|Avg: HK$88,449 HKD|+1.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
With Clarity
October 29, 2026
Retailer 19HK$46,917 HKD
Retailer 6HK$49,169 HKD
Retailer 2HK$49,867 HKD
Retailer 13HK$54,269 HKD
Retailer 5HK$54,371 HKD
Retailer 10HK$54,426 HKD
Retailer 15HK$56,338 HKD
Retailer 9HK$64,609 HKD
Retailer 18HK$65,849 HKD
Retailer 12HK$68,174 HKD
Retailer 8HK$77,480 HKD
Retailer 20HK$80,167 HKD
Retailer 3HK$83,996 HKD
Retailer 16HK$84,145 HKD
Retailer 17HK$89,366 HKD
Retailer 7HK$102,991 HKD
Retailer 1HK$110,568 HKD
Retailer 14HK$111,338 HKD
Retailer 4HK$151,412 HKD
Retailer 11HK$190,015 HKD
With ClarityHK$207,432 HKD

11 data points across 21 retailers

21 retailersHK$46,917 HKD to HK$207,432 HKD

A
Cheapest Retailer
-
HK$46,917 HKD
$5,980 USD
A
Retailer 2
-
HK$49,169 HKD
$6,267 USD
View
A
Retailer 3
-
HK$49,867 HKD
$6,356 USD
View
A
Retailer 4
-
HK$54,269 HKD
$6,917 USD
View
Final sale: no returns
A
Retailer 5
-
HK$54,371 HKD
$6,930 USD
View
A
Retailer 6
-
HK$54,426 HKD
$6,937 USD
View
A
Retailer 7
-
HK$56,338 HKD
£5,654 GBP
View
A
Retailer 8
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HK$64,609 HKD
$8,235 USD
View
A
Retailer 9
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HK$65,849 HKD
$8,393 USD
View
A
Retailer 10
-
HK$68,174 HKD
£6,842 GBP
View
A
Retailer 11
-
HK$77,480 HKD
£7,776 GBP
View
A
Retailer 12
-
HK$80,167 HKD
$10,218 USD
View
A
Retailer 13
-
HK$83,996 HKD
$10,706 USD
View
A
Retailer 14
-
HK$84,145 HKD
$10,725 USD
View
Retailer 15
-
HK$89,366 HKD
€10,848 EUR
View
Price last confirmed 8 days ago
A
Retailer 16
-
HK$102,991 HKD
$13,127 USD
View
A
Retailer 17
-
HK$110,568 HKD
ZAR 227,670 ZAR
View
A
Retailer 18
-
HK$111,338 HKD
£11,174 GBP
View
B+
Retailer 19
-
HK$151,412 HKD
$19,299 USD
View
B+
Retailer 20
-
HK$190,015 HKD
$24,219 USD
View
Most Expensive
B+
With Clarity
818640333 · Oct 30
HK$207,432 HKD
$26,439 USD
View
20 more retailers have this diamond
Prices start from HK$46,917 HKDSave up to HK$160,515 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
5.25ct Radiant
HK$46,917 HKD