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Cushion|Lab Grown|IGI

1.75ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG739503311

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG739503311

Diamond specifications and retailer prices

From $649 AUD
$456 USD
As of October 28, 2026
Save $4,504 AUD (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,153 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.75ct lab-grown cushion diamond

This 1.75ct 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 LG739503311 or 739503311. Listed at 21 retailers as of October 28, 2026, with prices from $649 to $5,153, a $4,504 spread on the same certified stone. Do Amore Diamonds lists it at $5,153. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.75
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739503311
Dimensions8.20 × 6.51 × 4.38 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
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
8.20 mm6.51 mm1.75 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739503311
Side View
Table 61.0%Crown 32.7°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 67.3%

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: $5,153 AUD|Low: $649 AUD|High: $5,153 AUD|Avg: $2,123 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
Retailer 19
October 30, 2026
Retailer 7$649 AUD
Retailer 3$719 AUD
Retailer 16$966 AUD
Retailer 4$1,021 AUD
Retailer 15$1,025 AUD
Retailer 19$1,078 AUD
Retailer 2$1,314 AUD
Retailer 14$1,365 AUD
Retailer 18$1,514 AUD
Retailer 12$1,849 AUD
Retailer 6$2,321 AUD
Retailer 5$2,629 AUD
Retailer 9$2,639 AUD
Retailer 10$2,765 AUD
Retailer 8$2,814 AUD
Retailer 13$2,932 AUD
Retailer 17$3,943 AUD
Retailer 11$4,740 AUD
Do Amore Diamonds$5,153 AUD

43 data points across 19 retailers

21 retailers$649 AUD to $5,153 AUD

A
Cheapest Retailer
-
$649 AUD
$456 USD
Final sale: no returns
A
Retailer 2
-
$719 AUD
$505 USD
View
A
Retailer 3
-
$966 AUD
HK$5,300 HKD
View
A
Retailer 4
-
$1,021 AUD
$717 USD
View
A
Retailer 5
-
$1,025 AUD
$720 USD
View
A
Retailer 6
-
$1,078 AUD
$757 USD
View
A
Retailer 7
-
$1,314 AUD
£727 GBP
View
A
Retailer 8
-
$1,365 AUD
ZAR 15,489 ZAR
View
A
Retailer 9
-
$1,514 AUD
$1,064 USD
View
A
Retailer 10
-
$1,849 AUD
View
A
Retailer 11
-
$2,321 AUD
£1,284 GBP
View
B+
Retailer 12
-
$2,629 AUD
$1,847 USD
View
B+
Retailer 13
-
$2,639 AUD
$1,854 USD
View
B+
Retailer 14
-
$2,765 AUD
$1,942 USD
View
B+
Retailer 15
-
$2,814 AUD
SGD 2,672 SGD
View
B+
Retailer 16
-
$2,932 AUD
£1,622 GBP
View
Retailer 17
-
$3,908 AUD
$2,745 USD
View
Price last confirmed 101 days ago
B+
Retailer 18
-
$3,943 AUD
$2,770 USD
View
B
Retailer 19
-
$4,447 AUD
£2,460 GBP
View
B
Retailer 20
-
$4,740 AUD
$3,330 USD
View
Most Expensive
B
Do Amore Diamonds
27-2A6B3461C · Oct 29
$5,153 AUD
$3,620 USD
View
20 more retailers have this diamond
Prices start from $649 AUDSave up to $4,504 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
1.75ct Cushion
$649 AUD