CaratHunter
Plans
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 $359 AUD
$252 USD
As of October 28, 2026
Save $1,454 AUD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,790 AUD 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 28, 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

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: $2,790 AUD|Low: $359 AUD|High: $2,790 AUD|Avg: $876 AUD
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 29, 2026
Retailer 4$359 AUD
Retailer 13$397 AUD
Retailer 8$534 AUD
Retailer 6$643 AUD
Retailer 9$683 AUD
Retailer 2$739 AUD
Retailer 5$815 AUD
Retailer 3$867 AUD
Retailer 10$928 AUD
Retailer 12$1,033 AUD
Retailer 7$1,374 AUD
Retailer 11$1,594 AUD
Brilliant Earth$2,790 AUD

44 data points across 13 retailers

17 retailers$359 AUD to $1,813 AUD

A
Cheapest Retailer
-
$359 AUD
$252 USD
Final sale: no returns
A
Retailer 2
-
$397 AUD
$279 USD
View
B+
Retailer 3
-
$534 AUD
$375 USD
View
A
Retailer 4
-
$643 AUD
€430 EUR
View
A
Retailer 5
-
$683 AUD
ZAR 7,748 ZAR
View
A
Retailer 6
-
$739 AUD
£409 GBP
View
A
Retailer 7
-
$762 AUD
$535 USD
View
A
Retailer 8
-
$815 AUD
$573 USD
View
B+
Retailer 9
-
$867 AUD
$609 USD
View
B+
Retailer 10
-
$928 AUD
View
B+
Retailer 11
-
$1,033 AUD
$726 USD
View
B+
Retailer 12
-
$1,204 AUD
$846 USD
View
B+
Retailer 13
-
$1,352 AUD
$950 USD
View
B+
Retailer 14
-
$1,374 AUD
View
B
Retailer 15
-
$1,594 AUD
£882 GBP
View
B
Retailer 16
-
$1,813 AUD
$1,274 USD
View
Most Expensive
Brilliant Earth
16038056A · Oct 18
$2,790 AUD
$1,960 USD
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from $359 AUDSave up to $1,454 AUD

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
$359 AUD