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Cushion|Lab Grown|IGI

1.55ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG500164809

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG500164809

Diamond specifications and retailer prices

From $488 AUD
$343 USD
As of October 30, 2026
Save $1,689 AUD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,876 AUD at Brilliant Earth · As of October 22, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG500164809 or 500164809. Listed at 15 retailers as of October 29, 2026, with a 346% 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
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500164809
Dimensions6.52 × 6.43 × 4.26 mm
L/W Ratio1.01
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
6.52 mm6.43 mm1.55 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500164809
Side View
Table 61.5%Crown 39.1°Girdle: THN-VTKPavilion 34.4°Culet: NoneDepth 66.3%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $2,876 AUD|Low: $488 AUD|High: $2,876 AUD|Avg: $1,170 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 30, 2026
Retailer 13$488 AUD
Retailer 11$540 AUD
Retailer 2$780 AUD
Retailer 10$783 AUD
Retailer 5$804 AUD
Retailer 8$883 AUD
Retailer 6$958 AUD
Retailer 4$1,018 AUD
Retailer 7$1,496 AUD
Retailer 3$1,730 AUD
Retailer 12$1,902 AUD
Retailer 9$2,177 AUD
Brilliant Earth$2,876 AUD

41 data points across 13 retailers

15 retailers$488 AUD to $2,177 AUD

A
Cheapest Retailer
-
$488 AUD
$343 USD
Final sale: no returns
Retailer 2
-
$540 AUD
$379 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$780 AUD
$548 USD
View
A
Retailer 4
-
$783 AUD
$550 USD
View
A
Retailer 5
-
$804 AUD
$565 USD
View
A
Retailer 6
-
$883 AUD
€591 EUR
View
B+
Retailer 7
-
$958 AUD
£530 GBP
View
B+
Retailer 8
-
$1,018 AUD
$715 USD
View
B+
Retailer 9
-
$1,496 AUD
View
Retailer 10
-
$1,730 AUD
SGD 1,642 SGD
View
Price last confirmed 18 days ago
B
Retailer 11
-
$1,803 AUD
$1,267 USD
View
B
Retailer 12
-
$1,902 AUD
$1,336 USD
View
B
Retailer 13
-
$2,077 AUD
$1,459 USD
View
B
Retailer 14
-
$2,177 AUD
£1,204 GBP
View
Most Expensive
Brilliant Earth
20666714A · Oct 22
$2,876 AUD
$2,020 USD
View
Price last confirmed 8 days ago
14 more retailers have this diamond
Prices start from $488 AUDSave up to $1,689 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
$488 AUD