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Cushion|Lab Grown|IGI

1.55ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG544271793

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG544271793

Diamond specifications and retailer prices

From HK$1,977 HKD
$252 USD
As of October 30, 2026
Save HK$8,018 HKD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$15,379 HKD at Brilliant Earth · As of October 18, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG544271793 or 544271793. Listed at 17 retailers as of October 30, 2026, with a 405% 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

1.55
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle30.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544271793
Dimensions6.00 × 6.00 × 7.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.00 mm6.00 mm1.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544271793
Side View
Table 64.0%Crown 37.6°Girdle: STK-VTKPavilion 30.2°Culet: NoneDepth 65.5%

Caratlytics Score

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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 30
Current: HK$15,379 HKD|Low: HK$1,977 HKD|High: HK$15,379 HKD|Avg: HK$4,874 HKD
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
October 30, 2026
Retailer 4HK$1,977 HKD
Retailer 13HK$2,189 HKD
Retailer 7HK$3,543 HKD
Retailer 2HK$3,727 HKD
Retailer 9HK$3,763 HKD
Retailer 6HK$4,085 HKD
Retailer 5HK$4,495 HKD
Retailer 3HK$4,778 HKD
Retailer 10HK$5,115 HKD
Retailer 12HK$5,696 HKD
Retailer 8HK$7,574 HKD
Retailer 11HK$8,789 HKD
Brilliant EarthHK$15,379 HKD

45 data points across 13 retailers

17 retailersHK$1,977 HKD to HK$9,995 HKD

A
Cheapest Retailer
-
HK$1,977 HKD
$252 USD
Final sale: no returns
A
Retailer 2
-
HK$2,189 HKD
$279 USD
View
A
Retailer 3
-
HK$3,543 HKD
€430 EUR
View
A
Retailer 4
-
HK$3,727 HKD
$475 USD
View
A
Retailer 5
-
HK$3,763 HKD
ZAR 7,748 ZAR
View
A
Retailer 6
-
HK$4,085 HKD
£410 GBP
View
A
Retailer 7
-
HK$4,198 HKD
$535 USD
View
A
Retailer 8
-
HK$4,495 HKD
$573 USD
View
B+
Retailer 9
-
HK$4,778 HKD
$609 USD
View
B+
Retailer 10
-
HK$5,115 HKD
A$1,003 AUD
View
B+
Retailer 11
-
HK$5,696 HKD
$726 USD
View
B+
Retailer 12
-
HK$6,638 HKD
$846 USD
View
B+
Retailer 13
-
HK$7,454 HKD
$950 USD
View
B+
Retailer 14
-
HK$7,574 HKD
A$1,485 AUD
View
B
Retailer 15
-
HK$8,789 HKD
£882 GBP
View
B
Retailer 16
-
HK$9,995 HKD
$1,274 USD
View
Most Expensive
Brilliant Earth
16038056A · Oct 18
HK$15,379 HKD
$1,960 USD
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from HK$1,977 HKDSave up to HK$8,018 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$1,977 HKD