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Cushion|Lab Grown|IGI

1.75ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG764689718

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG764689718

Diamond specifications and retailer prices

From $382 USD
As of October 28, 2026
Save $2,968 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,350 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG764689718 or 764689718. Listed at 19 retailers as of October 28, 2026, with prices from $382 to $3,350, a $2,968 spread on the same certified stone. Brilliant Earth lists it at $3,350. 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
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764689718
Dimensions6.41 × 6.41 × 4.18 mm
L/W Ratio1.00
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
6.41 mm6.41 mm1.75 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764689718
Side View
Table 61.0%Crown 31.7°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 65.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $3,350 USD|Low: $382 USD|High: $3,360 USD|Avg: $1,293 USD|-0.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 29, 2026
Retailer 5$382 USD
Retailer 11$439 USD
Retailer 16$640 USD
Retailer 7$682 USD
Retailer 10$689 USD
Retailer 13$728 USD
Retailer 2$761 USD
Retailer 3$764 USD
Retailer 12$983 USD
Retailer 15$1,025 USD
Retailer 4$1,339 USD
Retailer 8$1,355 USD
Retailer 6$1,405 USD
Retailer 17$1,602 USD
Retailer 14$1,701 USD
Retailer 9$1,809 USD
Brilliant Earth$3,350 USD

35 data points across 17 retailers

19 retailers$382 USD to $3,350 USD

A
Cheapest Retailer
-
$382 USD
Final sale: no returns
A
Retailer 2
-
$439 USD
£346 GBP
View
A
Retailer 3
-
$640 USD
View
A
Retailer 4
-
$682 USD
View
A
Retailer 5
-
$689 USD
€656 EUR
View
A
Retailer 6
-
$728 USD
ZAR 11,767 ZAR
View
A
Retailer 7
-
$761 USD
£599 GBP
View
A
Retailer 8
-
$764 USD
View
A
Retailer 9
-
$983 USD
A$1,513 AUD
View
A
Retailer 10
-
$1,025 USD
View
A
Retailer 11
-
$1,339 USD
View
A
Retailer 12
-
$1,355 USD
SGD 1,831 SGD
View
A
Retailer 13
-
$1,405 USD
View
A
Retailer 14
-
$1,492 USD
View
A
Retailer 15
-
$1,602 USD
View
B+
Retailer 16
-
$1,701 USD
£1,339 GBP
View
B+
Retailer 17
-
$1,809 USD
A$2,783 AUD
View
Price last confirmed 24 days ago
B+
Retailer 18
-
$1,859 USD
£1,464 GBP
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
17358738A · Oct 28
$3,350 USD
View
18 more retailers have this diamond
Prices start from $382 USDSave up to $2,968 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
1.75ct Cushion
$382 USD