Radiant|Lab Grown|IGI

4.88ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG821668515

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

Certificate IGI LG821668515

Diamond specifications and retailer prices

From HK$66,178 HKD
$8,435 USD
As of October 30, 2026
Save HK$203,786 HKD (75%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$269,965 HKD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 4.88ct lab-grown radiant diamond

This 4.88ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821668515 or 821668515. Listed at 24 retailers as of October 30, 2026, with prices from HK$66,178 to HK$269,965, a HK$203,786 spread on the same certified stone. Michael Trio lists it at HK$269,965. 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

4.88
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle27.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821668515
Dimensions11.61 × 8.19 × 5.44 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.61 mm8.19 mm4.88 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821668515
Side View
Table 63.0%Crown 40.9°Girdle: Slightly ThickPavilion 27.4°Culet: NoneDepth 66.4%

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 30
Current: HK$269,965 HKD|Low: HK$63,527 HKD|High: HK$269,965 HKD|Avg: HK$104,904 HKD
Michael Trio
Retailer 2
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Retailer 16
Retailer 17
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Retailer 20
Retailer 21
November 1, 2026
Retailer 21HK$64,269 HKD
Retailer 5HK$66,178 HKD
Retailer 14HK$68,446 HKD
Retailer 11HK$68,822 HKD
Retailer 6HK$74,110 HKD
Retailer 4HK$76,103 HKD
Retailer 8HK$76,762 HKD
Retailer 12HK$76,762 HKD
Retailer 20HK$78,732 HKD
Retailer 18HK$85,385 HKD
Retailer 10HK$86,334 HKD
Retailer 9HK$88,829 HKD
Retailer 16HK$91,851 HKD
Retailer 17HK$127,705 HKD
Retailer 19HK$132,490 HKD
Retailer 13HK$139,766 HKD
Retailer 15HK$157,744 HKD
Retailer 2HK$168,550 HKD
Retailer 7HK$187,434 HKD
Retailer 3HK$213,784 HKD
Michael TrioHK$269,965 HKD

40 data points across 21 retailers

24 retailersHK$66,178 HKD to HK$269,965 HKD

Retailer 1
-
HK$64,269 HKD
£6,450 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
HK$66,178 HKD
$8,435 USD
View
B+
Retailer 3
-
HK$68,446 HKD
$8,724 USD
View
B+
Retailer 4
-
HK$68,822 HKD
$8,772 USD
View
B+
Retailer 5
-
HK$74,110 HKD
$9,446 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$76,103 HKD
$9,700 USD
View
B+
Retailer 7
-
HK$76,762 HKD
$9,784 USD
View
Retailer 8
-
HK$76,762 HKD
$9,784 USD
View
Price last confirmed 16 days ago
B+
Retailer 9
-
HK$78,732 HKD
$10,035 USD
View
B+
Retailer 10
-
HK$78,857 HKD
$10,051 USD
View
B+
Retailer 11
-
HK$85,385 HKD
$10,883 USD
View
B+
Retailer 12
-
HK$86,334 HKD
$11,004 USD
View
B+
Retailer 13
-
HK$88,829 HKD
$11,322 USD
View
B+
Retailer 14
-
HK$91,851 HKD
£9,218 GBP
View
B
Retailer 15
-
HK$110,003 HKD
£11,040 GBP
View
B+
Retailer 16
-
HK$127,705 HKD
€15,502 EUR
View
B
Retailer 17
-
HK$132,490 HKD
$16,887 USD
View
B+
Retailer 18
-
HK$139,766 HKD
£14,027 GBP
View
B
Retailer 19
-
HK$157,744 HKD
A$30,932 AUD
View
B
Retailer 20
-
HK$168,550 HKD
A$33,051 AUD
View
B
Retailer 21
-
HK$187,434 HKD
$23,890 USD
View
B
Retailer 22
-
HK$213,784 HKD
$27,249 USD
View
B
Retailer 23
-
HK$244,802 HKD
$31,202 USD
View
Most Expensive
B
Michael Trio
1047588432 · Oct 31
HK$269,965 HKD
SGD 46,499 SGD
View
23 more retailers have this diamond
Prices start from HK$66,178 HKDSave up to HK$203,786 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
4.88ct Radiant
HK$66,178 HKD