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Cushion|Lab Grown|IGI

1.72ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG480152392

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG480152392

Diamond specifications and retailer prices

From $708 AUD
$497 USD
As of November 1, 2026
Save $3,691 AUD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,399 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.72ct lab-grown cushion diamond

This 1.72ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG480152392 or 480152392. Listed at 11 retailers as of October 31, 2026, with prices from $708 to $4,399, a $3,691 spread on the same certified stone. Do Amore Diamonds lists it at $4,399. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.72
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480152392
Dimensions7.54 × 6.74 × 4.42 mm
L/W Ratio1.12
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
7.54 mm6.74 mm1.72 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480152392
Side View
Table 64.5%Crown 32.4°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 65.6%

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: $4,399 AUD|Low: $615 AUD|High: $4,399 AUD|Avg: $1,662 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$615 AUD
Retailer 6$712 AUD
Retailer 3$869 AUD
Retailer 9$989 AUD
Retailer 10$989 AUD
Retailer 4$1,229 AUD
Retailer 8$1,936 AUD
Retailer 2$2,652 AUD
Retailer 5$3,077 AUD
Do Amore Diamonds$4,399 AUD

43 data points across 10 retailers

11 retailers$708 AUD to $4,399 AUD

Retailer 1
-
$615 AUD
$432 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$708 AUD
$497 USD
View
A
Retailer 3
-
$712 AUD
$500 USD
View
A
Retailer 4
-
$869 AUD
£481 GBP
View
A
Retailer 5
-
$989 AUD
$695 USD
View
A
Retailer 6
-
$989 AUD
$695 USD
View
B+
Retailer 7
-
$1,229 AUD
£680 GBP
View
B
Retailer 8
-
$1,936 AUD
$1,360 USD
View
B
Retailer 9
-
$2,652 AUD
£1,467 GBP
View
B
Retailer 10
-
$3,077 AUD
CA$3,002 CAD
View
Most Expensive
B
Do Amore Diamonds
27-EE311796C · Oct 31
$4,399 AUD
$3,090 USD
View
10 more retailers have this diamond
Prices start from $708 AUDSave up to $3,691 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
1.72ct Cushion
$708 AUD