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Cushion|Lab Grown|IGI

1.55ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG828620446

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

Certificate IGI LG828620446

Diamond specifications and retailer prices

From HK$1,946 HKD
As of November 4, 2026
Save HK$9,117 HKD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$11,063 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828620446 or 828620446. Listed at 18 retailers as of November 4, 2026, with prices from HK$1,946 to HK$11,063, a HK$9,117 spread on the same certified stone. Brilliant Earth lists it at HK$11,063. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828620446
Dimensions6.73 × 6.71 × 4.54 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
6.73 mm6.71 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828620446
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$11,063 HKD|Low: HK$1,946 HKD|High: HK$13,652 HKD|Avg: HK$6,099 HKD|-19.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 6HK$1,946 HKD
Retailer 3HK$2,165 HKD
Retailer 4HK$2,942 HKD
Retailer 14HK$3,586 HKD
Retailer 13HK$3,727 HKD
Retailer 2HK$3,986 HKD
Retailer 5HK$4,245 HKD
Retailer 12HK$5,053 HKD
Retailer 16HK$5,374 HKD
Retailer 9HK$7,022 HKD
Retailer 7HK$7,359 HKD
Retailer 11HK$7,893 HKD
Retailer 15HK$8,073 HKD
Retailer 17HK$8,591 HKD
Retailer 10HK$8,638 HKD
Retailer 8HK$9,917 HKD
Brilliant EarthHK$11,063 HKD

38 data points across 17 retailers

18 retailersHK$1,946 HKD to HK$11,063 HKD

A
Cheapest Retailer
-
HK$1,946 HKD
Final sale: no returns
Retailer 2
-
HK$2,165 HKD
View
Price last confirmed 11 days ago
A
Retailer 3
-
HK$2,409 HKD
View
B+
Retailer 4
-
HK$2,942 HKD
View
A
Retailer 5
-
HK$3,586 HKD
View
A
Retailer 6
-
HK$3,727 HKD
View
A
Retailer 7
-
HK$3,986 HKD
View
A
Retailer 8
-
HK$4,245 HKD
View
A
Retailer 9
-
HK$5,053 HKD
View
B+
Retailer 10
-
HK$5,374 HKD
View
B+
Retailer 11
-
HK$6,559 HKD
View
B+
Retailer 12
-
HK$7,022 HKD
View
B+
Retailer 13
-
HK$7,359 HKD
View
B+
Retailer 14
-
HK$7,893 HKD
View
Retailer 15
-
HK$8,073 HKD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
HK$8,638 HKD
View
B
Retailer 17
-
HK$9,917 HKD
View
Most Expensive
B
Brilliant Earth
21276004A · Nov 4
HK$11,063 HKD
$1,410 USD
View
17 more retailers have this diamond
Prices start from HK$1,946 HKDSave up to HK$9,117 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
1.55ct Cushion
HK$1,946 HKD