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Cushion|Lab Grown|IGI

1.55ct D VVS2 Cushion Lab Grown Diamond

EX • D/VVS2 • IGI LG788624418

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG788624418

Diamond specifications and retailer prices

From $607 AUD
As of November 4, 2026
Save $2,208 AUD (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,802 AUD at Queensmith · As of October 27, 2026
View at Queensmith

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788624418 or 788624418. Listed at 19 retailers as of November 3, 2026, with a 364% 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788624418
Dimensions7.36 × 6.62 × 4.16 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizeLarge
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
7.36 mm6.62 mm1.55 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788624418
Side View
Table 56.0%Crown 34.6°Girdle: THK-VTKPavilion 42.1°Culet: LargeDepth 62.8%

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: Nov 4
Current: $1,227 AUD|Low: $607 AUD|High: $3,703 AUD|Avg: $1,720 AUD|-13.5%
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
Retailer 16
Retailer 17
Retailer 18
November 4, 2026
Retailer 17$607 AUD
Retailer 3$680 AUD
Retailer 8$753 AUD
Retailer 14$753 AUD
Retailer 10$790 AUD
Retailer 4$951 AUD
Retailer 13$962 AUD
Retailer 18$1,012 AUD
Retailer 1$1,227 AUD
Retailer 12$1,752 AUD
Retailer 15$2,111 AUD
Retailer 6$2,194 AUD
Retailer 9$2,395 AUD
Retailer 16$2,419 AUD
Retailer 7$2,466 AUD
Retailer 2$2,728 AUD
Retailer 11$2,764 AUD
Retailer 5$2,815 AUD

43 data points across 18 retailers

19 retailers$607 AUD to $2,815 AUD

A
Cheapest Retailer
-
$607 AUD
A
Retailer 2
-
$680 AUD
View
A
Retailer 3
-
$753 AUD
View
Retailer 4
-
$753 AUD
View
Price last confirmed 11 days ago
Retailer 5
-
$790 AUD
View
Price last confirmed 21 days ago
Final sale: no returns
A
Retailer 6
-
$951 AUD
View
A
Retailer 7
-
$962 AUD
View
A
Retailer 8
-
$1,012 AUD
View
B+
Retailer 9
-
$1,227 AUD
View
B
Retailer 10
-
$1,752 AUD
View
B
Retailer 11
-
$2,111 AUD
View
B
Retailer 12
-
$2,194 AUD
View
B
Retailer 13
-
$2,395 AUD
View
B
Retailer 14
-
$2,419 AUD
View
B
Retailer 15
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$2,466 AUD
View
B
Retailer 16
-
$2,728 AUD
View
B
Retailer 17
-
$2,764 AUD
View
B
Retailer 18
-
$2,815 AUD
View
Most Expensive
Queensmith
LG788624418 · Oct 27
$3,802 AUD
£2,100 GBP
View
Price last confirmed 8 days ago
18 more retailers have this diamond
Prices start from $607 AUDSave up to $2,208 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
$607 AUD