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Cushion|Lab Grown|IGI

1.51ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG712546420

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG712546420

Diamond specifications and retailer prices

From $555 AUD
$389 USD
As of November 1, 2026
Save $3,169 AUD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,724 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG712546420 or 712546420. Listed at 14 retailers as of November 1, 2026, with prices from $555 to $3,724, a $3,169 spread on the same certified stone. Do Amore Diamonds lists it at $3,724. 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 angle38.6°
Pavilion angle48.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712546420
Dimensions8.18 × 5.58 × 3.91 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.18 mm5.58 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712546420
Side View
Table 66.0%Crown 38.6°Girdle: MED-STKPavilion 48.1°Culet: LargeDepth 70.1%

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 1
Current: $3,724 AUD|Low: $521 AUD|High: $3,724 AUD|Avg: $1,466 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 8$521 AUD
Retailer 9$662 AUD
Retailer 3$693 AUD
Retailer 4$991 AUD
Retailer 2$1,027 AUD
Retailer 11$1,232 AUD
Retailer 6$1,339 AUD
Retailer 7$2,001 AUD
Retailer 10$2,240 AUD
Retailer 5$2,303 AUD
Do Amore Diamonds$3,724 AUD

42 data points across 11 retailers

14 retailers$555 AUD to $3,724 AUD

Retailer 1
-
$521 AUD
$365 USD
Price last confirmed 8 days ago
A
Retailer 2
-
$555 AUD
$389 USD
View
A
Retailer 3
-
$662 AUD
$464 USD
View
A
Retailer 4
-
$693 AUD
$486 USD
View
A
Retailer 5
-
$742 AUD
$520 USD
View
B+
Retailer 6
-
$991 AUD
ZAR 11,220 ZAR
View
B+
Retailer 7
-
$1,027 AUD
£567 GBP
View
B+
Retailer 8
-
$1,232 AUD
$864 USD
View
B+
Retailer 9
-
$1,339 AUD
View
B
Retailer 10
-
$2,001 AUD
$1,402 USD
View
B
Retailer 11
-
$2,078 AUD
$1,456 USD
View
B
Retailer 12
-
$2,240 AUD
£1,236 GBP
View
B
Retailer 13
-
$2,303 AUD
£1,271 GBP
View
Most Expensive
B
Do Amore Diamonds
27-86F0D0661 · Nov 2
$3,724 AUD
$2,610 USD
View
13 more retailers have this diamond
Prices start from $555 AUDSave up to $3,169 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
$555 AUD