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Cushion|Lab Grown|IGI

1.72ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG522229679

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG522229679

Diamond specifications and retailer prices

From $414 AUD
$291 USD
As of November 1, 2026
Save $3,273 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,687 AUD 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 LG522229679 or 522229679. Listed at 17 retailers as of October 29, 2026, with prices from $414 to $3,687, a $3,273 spread on the same certified stone. Do Amore Diamonds lists it at $3,687. 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 angle32.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522229679
Dimensions7.80 × 6.58 × 4.54 mm
L/W Ratio1.19
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
7.80 mm6.58 mm1.72 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522229679
Side View
Table 64.0%Crown 32.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 69.0%

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: $3,289 AUD|Low: $379 AUD|High: $3,687 AUD|Avg: $1,349 AUD|-2.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 3$414 AUD
Retailer 12$460 AUD
Retailer 15$615 AUD
Retailer 11$619 AUD
Retailer 8$650 AUD
Retailer 13$682 AUD
Retailer 9$890 AUD
Retailer 14$1,317 AUD
Retailer 6$1,374 AUD
Retailer 5$1,539 AUD
Retailer 2$1,868 AUD
Retailer 10$2,047 AUD
Retailer 4$2,103 AUD
Retailer 7$2,377 AUD
Do Amore Diamonds$3,289 AUD

41 data points across 15 retailers

17 retailers$414 AUD to $3,687 AUD

A
Cheapest Retailer
-
$414 AUD
$291 USD
Final sale: no returns
Retailer 2
-
$460 AUD
$323 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$615 AUD
$432 USD
View
A
Retailer 4
-
$619 AUD
$435 USD
View
A
Retailer 5
-
$650 AUD
£360 GBP
View
A
Retailer 6
-
$682 AUD
$479 USD
View
Retailer 7
-
$887 AUD
£491 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
$890 AUD
£492 GBP
View
B+
Retailer 9
-
$1,317 AUD
$925 USD
View
B+
Retailer 10
-
$1,374 AUD
$965 USD
View
B+
Retailer 11
-
$1,389 AUD
CA$1,355 CAD
View
B+
Retailer 12
-
$1,539 AUD
$1,081 USD
View
B
Retailer 13
-
$1,868 AUD
$1,312 USD
View
B
Retailer 14
-
$2,047 AUD
£1,132 GBP
View
B
Retailer 15
-
$2,103 AUD
SGD 1,996 SGD
View
B
Retailer 16
-
$3,289 AUD
$2,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-64AF8FEAD · Oct 29
$3,687 AUD
$2,590 USD
View
16 more retailers have this diamond
Prices start from $414 AUDSave up to $3,273 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
$414 AUD