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Cushion|Lab Grown|IGI

1.54ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG649471318

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG649471318

Diamond specifications and retailer prices

From HK$2,244 HKD
$286 USD
As of October 28, 2026
Save HK$8,504 HKD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$15,298 HKD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649471318 or 649471318. Listed at 18 retailers as of October 28, 2026, with a 379% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649471318
Dimensions6.74 × 6.62 × 4.38 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
6.74 mm6.62 mm1.54 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649471318
Side View
Table 63.0%Crown 36.5°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.2%

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: Oct 28
Current: HK$15,298 HKD|Low: HK$1,844 HKD|High: HK$16,553 HKD|Avg: HK$6,139 HKD|-7.6%
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
Retailer 18
October 29, 2026
Retailer 7HK$2,244 HKD
Retailer 3HK$2,487 HKD
Retailer 10HK$2,814 HKD
Retailer 16HK$3,413 HKD
Retailer 14HK$3,756 HKD
Retailer 8HK$4,142 HKD
Retailer 5HK$4,236 HKD
Retailer 12HK$4,267 HKD
Retailer 11HK$4,708 HKD
Retailer 18HK$5,146 HKD
Retailer 13HK$5,788 HKD
Retailer 15HK$8,041 HKD
Retailer 6HK$8,387 HKD
Retailer 17HK$8,912 HKD
Retailer 4HK$9,775 HKD
Retailer 2HK$10,003 HKD
Retailer 9HK$10,748 HKD
Brilliant EarthHK$15,298 HKD

39 data points across 18 retailers

18 retailersHK$2,244 HKD to HK$10,748 HKD

A
Cheapest Retailer
-
HK$2,244 HKD
$286 USD
Final sale: no returns
A
Retailer 2
-
HK$2,487 HKD
$317 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
HK$2,814 HKD
£282 GBP
View
Price last confirmed 19 days ago
A
Retailer 4
-
HK$3,413 HKD
$435 USD
View
A
Retailer 5
-
HK$3,756 HKD
€456 EUR
View
A
Retailer 6
-
HK$4,142 HKD
$528 USD
View
A
Retailer 7
-
HK$4,236 HKD
$540 USD
View
A
Retailer 8
-
HK$4,267 HKD
ZAR 8,786 ZAR
View
B+
Retailer 9
-
HK$4,708 HKD
£473 GBP
View
B+
Retailer 10
-
HK$5,146 HKD
$656 USD
View
B+
Retailer 11
-
HK$5,788 HKD
A$1,135 AUD
View
B+
Retailer 12
-
HK$8,041 HKD
$1,025 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
HK$8,387 HKD
$1,069 USD
View
B
Retailer 14
-
HK$8,912 HKD
$1,136 USD
View
B
Retailer 15
-
HK$9,775 HKD
$1,246 USD
View
B
Retailer 16
-
HK$10,003 HKD
£1,004 GBP
View
B
Retailer 17
-
HK$10,748 HKD
$1,370 USD
View
Most Expensive
B
Brilliant Earth
11632547A · Oct 18
HK$15,298 HKD
$1,950 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from HK$2,244 HKDSave up to HK$8,504 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
1.54ct Cushion
HK$2,244 HKD