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Cushion|Lab Grown|IGI

1.28ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG647483890

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG647483890

Diamond specifications and retailer prices

From HK$2,024 HKD
$258 USD
As of November 1, 2026
Save HK$8,098 HKD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$10,122 HKD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG647483890 or 647483890. Listed at 16 retailers as of November 1, 2026, with prices from HK$2,024 to HK$10,122, a HK$8,098 spread on the same certified stone. Reve Diamonds lists it at HK$10,122. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647483890
Dimensions6.22 × 6.16 × 4.18 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.22 mm6.16 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647483890
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 67.9%

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 1
Current: HK$2,992 HKD|Low: HK$1,820 HKD|High: HK$10,749 HKD|Avg: HK$5,249 HKD|+9.8%
Retailer 1
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
Reve Diamonds
November 2, 2026
Retailer 5HK$2,024 HKD
Retailer 15HK$2,244 HKD
Retailer 1HK$2,992 HKD
Retailer 11HK$3,452 HKD
Retailer 6HK$3,798 HKD
Retailer 9HK$3,867 HKD
Retailer 3HK$4,096 HKD
Retailer 8HK$4,156 HKD
Retailer 2HK$4,739 HKD
Retailer 14HK$5,462 HKD
Retailer 13HK$5,688 HKD
Retailer 7HK$6,230 HKD
Retailer 4HK$7,611 HKD
Retailer 12HK$8,866 HKD
Retailer 10HK$8,978 HKD
Reve DiamondsHK$10,122 HKD

38 data points across 16 retailers

16 retailersHK$2,024 HKD to HK$10,122 HKD

A
Cheapest Retailer
-
HK$2,024 HKD
$258 USD
Final sale: no returns
Retailer 2
-
HK$2,244 HKD
$286 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
HK$2,992 HKD
£300 GBP
View
A
Retailer 4
-
HK$3,452 HKD
€419 EUR
View
A
Retailer 5
-
HK$3,798 HKD
$484 USD
View
A
Retailer 6
-
HK$3,867 HKD
ZAR 7,963 ZAR
View
A
Retailer 7
-
HK$4,096 HKD
$522 USD
View
A
Retailer 8
-
HK$4,156 HKD
£417 GBP
View
B+
Retailer 9
-
HK$4,739 HKD
$604 USD
View
B+
Retailer 10
-
HK$5,462 HKD
A$1,071 AUD
View
B+
Retailer 11
-
HK$5,688 HKD
$725 USD
View
B+
Retailer 12
-
HK$6,230 HKD
$794 USD
View
B
Retailer 13
-
HK$7,611 HKD
$970 USD
View
B
Retailer 14
-
HK$8,866 HKD
$1,130 USD
View
B
Retailer 15
-
HK$8,978 HKD
£901 GBP
View
Most Expensive
B
Reve Diamonds
8B4D38AAF · Nov 1
HK$10,122 HKD
$1,290 USD
View
15 more retailers have this diamond
Prices start from HK$2,024 HKDSave up to HK$8,098 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
1.28ct Cushion
HK$2,024 HKD