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Cushion|Lab Grown|IGI

53.68ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG776669354

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

Certificate IGI LG776669354

Diamond specifications and retailer prices

From HK$413,272 HKD
£41,476 GBP
As of November 1, 2026
Save HK$755,950 HKD (65%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$1,169,221 HKD at Adiamor · As of October 31, 2026
View at Adiamor

About this 53.68ct lab-grown cushion diamond

This 53.68ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG776669354 or 776669354. Listed at 5 retailers as of October 31, 2026, with prices from HK$413,272 to HK$1,169,221, a HK$755,950 spread on the same certified stone. Adiamor lists it at HK$1,169,221. 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

53.68
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle29.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776669354
Dimensions21.54 × 21.48 × 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
21.54 mm21.48 mm53.68 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776669354
Side View
Table 61.0%Crown 35.2°Girdle: STK-THKPavilion 29.4°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$1,169,221 HKD|Low: HK$413,117 HKD|High: HK$1,808,324 HKD|Avg: HK$869,143 HKD|-10.8%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2HK$413,272 HKD
Retailer 5HK$574,376 HKD
Retailer 3HK$694,643 HKD
Retailer 6HK$1,009,192 HKD
Retailer 4HK$1,065,179 HKD
AdiamorHK$1,169,221 HKD

29 data points across 6 retailers

5 retailersHK$413,272 HKD to HK$1,169,221 HKD

B+
Cheapest Retailer
-
HK$413,272 HKD
£41,476 GBP
B
Retailer 2
-
HK$574,376 HKD
$73,209 USD
View
Retailer 3
-
HK$694,643 HKD
$88,538 USD
View
Price last confirmed 19 days ago
B
Retailer 4
-
HK$1,065,179 HKD
$135,766 USD
View
Most Expensive
B
Adiamor
D-82376169 · Oct 31
HK$1,169,221 HKD
$149,027 USD
View
4 more retailers have this diamond
Prices start from HK$413,272 HKDSave up to HK$755,950 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+
53.68ct Cushion
HK$413,272 HKD