Cushion|Lab Grown|IGI

1.55ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG823655566

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG823655566

Diamond specifications and retailer prices

From $419 AUD
As of November 6, 2026
Save $1,307 AUD (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,726 AUD at MOH London · As of November 2, 2026
View at MOH London

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 LG823655566 or 823655566. Listed at 7 retailers as of November 2, 2026, with prices from $419 to $1,726, a $1,307 spread on the same certified stone. MOH London lists it at $1,726. 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 angle36.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823655566
Dimensions8.21 × 5.97 × 4.06 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.21 mm5.97 mm1.55 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823655566
Side View
Table 62.0%Crown 36.1°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 68.0%

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: $1,726 AUD|Low: $418 AUD|High: $1,736 AUD|Avg: $1,203 AUD|+10.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$419 AUD
Retailer 6$621 AUD
Retailer 5$860 AUD
Retailer 4$1,335 AUD
Retailer 3$1,486 AUD
Retailer 7$1,540 AUD
MOH London$1,726 AUD

29 data points across 7 retailers

7 retailers$419 AUD to $1,726 AUD

A
Cheapest Retailer
-
$419 AUD
A
Retailer 2
-
$621 AUD
View
A
Retailer 3
-
$860 AUD
View
B+
Retailer 4
-
$1,335 AUD
View
B+
Retailer 5
-
$1,486 AUD
View
Retailer 6
-
$1,540 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG823655566 · Nov 2
$1,726 AUD
£934 GBP
View
6 more retailers have this diamond
Prices start from $419 AUDSave up to $1,307 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
$419 AUD