Cushion|Lab Grown|IGI

1.55ct G VS1 Cushion Lab Grown Diamond

VG • G/VS1 • IGI LG816607561

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG816607561

Diamond specifications and retailer prices

From $783 AUD
As of November 3, 2026
Save $1,674 AUD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,457 AUD at MOH London · As of November 3, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG816607561 or 816607561. Listed at 10 retailers as of November 3, 2026, with prices from $783 to $2,457, a $1,674 spread on the same certified stone. MOH London lists it at $2,457. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607561
Dimensions7.33 × 6.53 × 4.19 mm
L/W Ratio1.12
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
7.33 mm6.53 mm1.55 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607561
Side View
Table 55.0%Crown 35.6°Girdle: Slightly ThickPavilion 41.2°Culet: LargeDepth 64.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: $2,457 AUD|Low: $783 AUD|High: $2,486 AUD|Avg: $1,571 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 6$783 AUD
Retailer 4$841 AUD
Retailer 7$844 AUD
Retailer 3$1,120 AUD
Retailer 2$1,477 AUD
Retailer 5$1,843 AUD
Retailer 10$2,006 AUD
Retailer 9$2,078 AUD
Retailer 8$2,375 AUD
MOH London$2,457 AUD

30 data points across 10 retailers

10 retailers$783 AUD to $2,457 AUD

A
Cheapest Retailer
-
$783 AUD
A
Retailer 2
-
$841 AUD
View
A
Retailer 3
-
$844 AUD
View
B+
Retailer 4
-
$1,120 AUD
View
B
Retailer 5
-
$1,477 AUD
View
B
Retailer 6
-
$1,843 AUD
View
B
Retailer 7
-
$2,006 AUD
View
B
Retailer 8
-
$2,078 AUD
View
B
Retailer 9
-
$2,375 AUD
View
Most Expensive
B
MOH London
LG816607561 · Nov 3
$2,457 AUD
£1,357 GBP
View
9 more retailers have this diamond
Prices start from $783 AUDSave up to $1,674 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
$783 AUD