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Cushion|Lab Grown|IGI

1.72ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG711518391

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG711518391

Diamond specifications and retailer prices

From $626 USD
As of October 28, 2026
Save $4,514 USD (88%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,140 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG711518391 or 711518391. Listed at 7 retailers as of October 28, 2026, with prices from $626 to $5,140, a $4,514 spread on the same certified stone. Do Amore Diamonds lists it at $5,140. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG711518391
Dimensions8.63 × 6.01 × 3.89 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm6.01 mm1.72 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG711518391
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 30.9°Culet: NoneDepth 64.7%

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: Oct 28
Current: $5,140 USD|Low: $447 USD|High: $5,560 USD|Avg: $2,343 USD|+5.5%
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
October 29, 2026
Retailer 9$626 USD
Retailer 5$1,013 USD
Retailer 6$1,104 USD
Retailer 7$1,140 USD
Retailer 4$1,552 USD
Retailer 11$1,741 USD
Retailer 8$1,906 USD
Retailer 12$2,515 USD
Retailer 3$2,892 USD
Retailer 10$2,987 USD
Retailer 2$3,137 USD
Do Amore Diamonds$5,140 USD

23 data points across 12 retailers

7 retailers$626 USD to $5,140 USD

A
Cheapest Retailer
-
$626 USD
Final sale: no returns
A
Retailer 2
-
$1,013 USD
View
A
Retailer 3
-
$1,104 USD
View
A
Retailer 4
-
$1,140 USD
View
B+
Retailer 5
-
$1,906 USD
A$2,932 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$3,137 USD
£2,470 GBP
View
Most Expensive
B
Do Amore Diamonds
27-9D70D4985 · Oct 29
$5,140 USD
View
6 more retailers have this diamond
Prices start from $626 USDSave up to $4,514 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
$626 USD