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Cushion|Lab Grown|IGI

1.55ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG825660408

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG825660408

Diamond specifications and retailer prices

From $531 AUD
As of November 6, 2026
Save $2,298 AUD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,131 AUD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825660408 or 825660408. Listed at 18 retailers as of November 5, 2026, with a 433% 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
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825660408
Dimensions7.91 × 6.38 × 4.02 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.91 mm6.38 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825660408
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41.1°Culet: LargeDepth 63.0%

Caratlytics Score

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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 6
Current: $2,334 AUD|Low: $509 AUD|High: $4,748 AUD|Avg: $1,707 AUD
NZ Jewellers
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
November 6, 2026
Retailer 13$531 AUD
Retailer 4$651 AUD
Retailer 6$658 AUD
Retailer 14$658 AUD
Retailer 15$875 AUD
Retailer 11$881 AUD
Retailer 2$1,109 AUD
Retailer 8$1,180 AUD
Retailer 10$1,693 AUD
Retailer 12$1,930 AUD
NZ Jewellers$2,334 AUD
Retailer 5$2,484 AUD
Retailer 3$2,556 AUD
Retailer 9$2,829 AUD
Retailer 7$3,459 AUD

41 data points across 15 retailers

18 retailers$531 AUD to $2,829 AUD

A
Cheapest Retailer
-
$531 AUD
A
Retailer 2
-
$651 AUD
View
Retailer 3
-
$658 AUD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$658 AUD
View
Retailer 5
-
$870 AUD
View
Price last confirmed 45 days ago
A
Retailer 6
-
$875 AUD
View
A
Retailer 7
-
$881 AUD
View
Retailer 8
-
$974 AUD
View
Price last confirmed 45 days ago
Retailer 9
-
$1,064 AUD
View
Price last confirmed 39 days ago
B+
Retailer 10
-
$1,109 AUD
View
B+
Retailer 11
-
$1,180 AUD
View
B
Retailer 12
-
$1,693 AUD
View
B
Retailer 13
-
$1,930 AUD
View
B
Retailer 14
-
$2,334 AUD
View
B
Retailer 15
-
$2,484 AUD
View
B
Retailer 16
-
$2,556 AUD
View
B
Retailer 17
-
$2,829 AUD
View
Most Expensive
NZ Jewellers
bde885e4-08db-4afb-8842-2203abe6dbb0 · Sep 28
$3,131 AUD
$2,151 USD
View
Price last confirmed 39 days ago
17 more retailers have this diamond
Prices start from $531 AUDSave up to $2,298 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
$531 AUD