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Cushion|Lab Grown|IGI

50.19ct H VS2 Cushion Lab Grown Diamond

EX • H/VS2 • IGI LG815651859

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG815651859

Diamond specifications and retailer prices

From HK$405,678 HKD
$51,707 USD
As of October 26, 2026
Save HK$660,082 HKD (62%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$1,065,760 HKD at Adiamor · As of October 31, 2026
View at Adiamor

About this 50.19ct lab-grown cushion diamond

This 50.19ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815651859 or 815651859. Listed at 3 retailers as of October 26, 2026, with prices from HK$405,678 to HK$1,065,760, a HK$660,082 spread on the same certified stone. Adiamor lists it at HK$1,065,760. 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

50.19
Carat
H
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815651859
Dimensions21.02 × 21.00 × 12.87 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
21.02 mm21.00 mm50.19 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815651859
Side View
Table 61.0%Crown 33.2°Girdle: STK-THKPavilion 30.8°Culet: NoneDepth 61.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 26
Current: HK$1,065,760 HKD|Low: HK$405,678 HKD|High: HK$1,293,944 HKD|Avg: HK$827,142 HKD|-10.4%
Adiamor
Retailer 2
Retailer 3
October 6, 2026
Retailer 3HK$405,678 HKD
Retailer 2HK$422,915 HKD
AdiamorHK$1,065,760 HKD

4 data points across 3 retailers

3 retailersHK$405,678 HKD to HK$1,065,760 HKD

B
Cheapest Retailer
-
HK$405,678 HKD
$51,707 USD
Retailer 2
-
HK$422,915 HKD
$53,904 USD
View
Price last confirmed 20 days ago
Most Expensive
B
Adiamor
D-81559333 · Oct 31
HK$1,065,760 HKD
$135,840 USD
View
2 more retailers have this diamond
Prices start from HK$405,678 HKDSave up to HK$660,082 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.

B
50.19ct Cushion
HK$405,678 HKD