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Cushion|Lab Grown|IGI

1.51ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG538289815

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG538289815

Diamond specifications and retailer prices

From $428 AUD
As of November 3, 2026
Save $1,468 AUD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,895 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct lab-grown cushion diamond

This 1.51ct 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 top-tier cut grade and certified by IGI LG538289815 or 538289815. Listed at 13 retailers as of November 2, 2026, with prices from $428 to $1,895, a $1,468 spread on the same certified stone. MOH London lists it at $1,895. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538289815
Dimensions7.19 × 6.98 × 4.35 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.19 mm6.98 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538289815
Side View
Table 62.5%Crown 34.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.3%

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: Nov 3
Current: $1,895 AUD|Low: $428 AUD|High: $2,067 AUD|Avg: $1,078 AUD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 3$428 AUD
Retailer 7$473 AUD
Retailer 8$713 AUD
Retailer 10$785 AUD
Retailer 4$815 AUD
Retailer 2$907 AUD
Retailer 11$954 AUD
Retailer 6$1,099 AUD
Retailer 9$1,820 AUD
Retailer 5$1,825 AUD
MOH London$1,895 AUD

40 data points across 11 retailers

13 retailers$428 AUD to $1,895 AUD

A
Cheapest Retailer
-
$428 AUD
Final sale: no returns
Retailer 2
-
$473 AUD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$708 AUD
View
A
Retailer 4
-
$713 AUD
View
A
Retailer 5
-
$785 AUD
View
A
Retailer 6
-
$815 AUD
View
A
Retailer 7
-
$907 AUD
View
B+
Retailer 8
-
$954 AUD
View
B+
Retailer 9
-
$1,099 AUD
View
B
Retailer 10
-
$1,592 AUD
View
B
Retailer 11
-
$1,820 AUD
View
B
Retailer 12
-
$1,825 AUD
View
Most Expensive
B
MOH London
LG538289815 · Nov 2
$1,895 AUD
£1,047 GBP
View
12 more retailers have this diamond
Prices start from $428 AUDSave up to $1,468 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
1.51ct Cushion
$428 AUD