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Cushion|Lab Grown|IGI

1.72ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG831679876

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831679876

Diamond specifications and retailer prices

From $950 AUD
$667 USD
As of October 31, 2026
Save $4,104 AUD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,054 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831679876 or 831679876. Listed at 13 retailers as of October 30, 2026, with prices from $950 to $5,054, a $4,104 spread on the same certified stone. Brilliant Earth lists it at $5,054. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.72
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831679876
Dimensions8.58 × 6.13 × 3.98 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.58 mm6.13 mm1.72 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831679876
Side View
Table 61.0%Crown 35.6°Girdle: THK-VTKPavilion 35.8°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,054 AUD|Low: $950 AUD|High: $7,075 AUD|Avg: $2,538 AUD|-28.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3$950 AUD
Retailer 10$1,069 AUD
Retailer 6$1,224 AUD
Retailer 8$1,348 AUD
Retailer 2$1,549 AUD
Retailer 9$1,590 AUD
Retailer 11$1,619 AUD
Retailer 12$1,967 AUD
Retailer 5$3,297 AUD
Retailer 13$3,352 AUD
Retailer 4$3,452 AUD
Retailer 7$4,511 AUD
Brilliant Earth$5,054 AUD

3 data points across 13 retailers

13 retailers$950 AUD to $5,054 AUD

A
Cheapest Retailer
-
$950 AUD
$667 USD
Final sale: no returns
A
Retailer 2
-
$1,069 AUD
£591 GBP
View
A
Retailer 3
-
$1,224 AUD
$860 USD
View
A
Retailer 4
-
$1,348 AUD
$947 USD
View
Retailer 5
-
$1,549 AUD
€1,036 EUR
View
A
Retailer 6
-
$1,590 AUD
$1,117 USD
View
A
Retailer 7
-
$1,619 AUD
£895 GBP
View
A
Retailer 8
-
$1,967 AUD
$1,382 USD
View
B+
Retailer 9
-
$3,297 AUD
$2,316 USD
View
B+
Retailer 10
-
$3,352 AUD
$2,354 USD
View
B+
Retailer 11
-
$3,452 AUD
SGD 3,277 SGD
View
B
Retailer 12
-
$4,511 AUD
$3,169 USD
View
Most Expensive
B
Brilliant Earth
22348886A · Oct 30
$5,054 AUD
$3,550 USD
View
12 more retailers have this diamond
Prices start from $950 AUDSave up to $4,104 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
$950 AUD