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Cushion|Lab Grown|IGI

55.55ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG821638953

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

Certificate IGI LG821638953

Diamond specifications and retailer prices

From HK$495,613 HKD
$63,170 USD
As of November 2, 2026
Save HK$832,476 HKD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$1,328,089 HKD at Adiamor · As of November 2, 2026
View at Adiamor

About this 55.55ct lab-grown cushion diamond

This 55.55ct 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 LG821638953 or 821638953. Listed at 5 retailers as of November 2, 2026, with prices from HK$495,613 to HK$1,328,089, a HK$832,476 spread on the same certified stone. Adiamor lists it at HK$1,328,089. 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

55.55
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.1°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638953
Dimensions21.42 × 21.36 × 13.50 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
21.42 mm21.36 mm55.55 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638953
Side View
Table 60.0%Crown 30.1°Girdle: MED-THKPavilion 29.9°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$1,328,089 HKD|Low: HK$356,108 HKD|High: HK$1,363,740 HKD|Avg: HK$717,411 HKD|-2.6%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 26, 2026
Retailer 3HK$356,108 HKD
Retailer 4HK$495,613 HKD
Retailer 2HK$501,591 HKD
Retailer 6HK$595,473 HKD
Retailer 5HK$613,471 HKD
AdiamorHK$1,328,089 HKD

12 data points across 6 retailers

5 retailersHK$495,613 HKD to HK$1,328,089 HKD

B
Cheapest Retailer
-
HK$495,613 HKD
$63,170 USD
B
Retailer 2
-
HK$501,591 HKD
$63,932 USD
View
Retailer 3
-
HK$595,473 HKD
$75,898 USD
View
Price last confirmed 20 days ago
B
Retailer 4
-
HK$613,471 HKD
$78,192 USD
View
Final sale: no returns
Most Expensive
B
Adiamor
D-81808336 · Nov 2
HK$1,328,089 HKD
$169,276 USD
View
4 more retailers have this diamond
Prices start from HK$495,613 HKDSave up to HK$832,476 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
55.55ct Cushion
HK$495,613 HKD