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Cushion|Lab Grown|IGI

54.20ct I VS2 Cushion Lab Grown Diamond

ID • I/VS2 • IGI LG782651263

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG782651263

Diamond specifications and retailer prices

From HK$257,739 HKD
$32,851 USD
As of October 26, 2026
Save HK$247,446 HKD (49%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$505,185 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 54.2ct lab-grown cushion diamond

This 54.2ct lab-grown cushion sits in the over five carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782651263 or 782651263. Listed at 2 retailers as of October 26, 2026, with prices from HK$257,739 to HK$505,185, a HK$247,446 spread on the same certified stone. Brilliant Earth lists it at HK$505,185. 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

54.20
Carat
I
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle27.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782651263
Dimensions23.39 × 20.01 × 11.79 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
23.39 mm20.01 mm54.20 ctI / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782651263
Side View
Table 61.0%Crown 35.8°Girdle: VTK-ETKPavilion 27.9°CuletDepth 58.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 26
Current: HK$505,185 HKD|Low: HK$257,739 HKD|High: HK$514,678 HKD|Avg: HK$383,835 HKD|-1.8%
Brilliant Earth
Retailer 2
October 4, 2026
Retailer 2HK$257,739 HKD
Brilliant EarthHK$505,185 HKD

2 data points across 2 retailers

2 retailersHK$257,739 HKD to HK$505,185 HKD

B+
Cheapest Retailer
-
HK$257,739 HKD
$32,851 USD
Most Expensive
B
Brilliant Earth
20097140A · Oct 29
HK$505,185 HKD
$64,390 USD
View
1 more retailer has this diamond
Prices start from HK$257,739 HKDSave up to HK$247,446 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+
54.20ct Cushion
HK$257,739 HKD