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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 $432 USD
As of October 25, 2026
Save $2,658 USD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,090 USD at Do Amore Diamonds · As of October 29, 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 25, 2026, with prices from $432 to $3,090, a $2,658 spread on the same certified stone. Do Amore Diamonds lists it at $3,090. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $3,090 USD|Low: $432 USD|High: $3,090 USD|Avg: $1,131 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7$432 USD
Retailer 6$500 USD
Retailer 2$614 USD
Retailer 9$695 USD
Retailer 10$695 USD
Retailer 3$858 USD
Retailer 8$1,360 USD
Retailer 5$1,873 USD
Retailer 4$2,161 USD
Do Amore Diamonds$3,090 USD

43 data points across 10 retailers

11 retailers$432 USD to $3,090 USD

A
Cheapest Retailer
-
$432 USD
A
Retailer 2
-
$497 USD
View
A
Retailer 3
-
$500 USD
View
A
Retailer 4
-
$614 USD
£483 GBP
View
A
Retailer 5
-
$695 USD
View
A
Retailer 6
-
$695 USD
View
B+
Retailer 7
-
$858 USD
£676 GBP
View
B
Retailer 8
-
$1,360 USD
View
B
Retailer 9
-
$1,873 USD
£1,475 GBP
View
B
Retailer 10
-
$2,161 USD
CA$3,002 CAD
View
Most Expensive
B
Do Amore Diamonds
27-EE311796C · Oct 29
$3,090 USD
View
10 more retailers have this diamond
Prices start from $432 USDSave up to $2,658 USD

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
$432 USD