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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 $680 NZD
$382 USD
As of October 28, 2026
Save $5,285 NZD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,965 NZD at Brilliant Earth · As of October 29, 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 $680 to $5,965, a $5,285 spread on the same certified stone. Brilliant Earth lists it at $5,965. 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 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $5,965 NZD|Low: $680 NZD|High: $5,982 NZD|Avg: $2,303 NZD|-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$680 NZD
Retailer 11$782 NZD
Retailer 16$1,140 NZD
Retailer 7$1,214 NZD
Retailer 10$1,226 NZD
Retailer 13$1,297 NZD
Retailer 2$1,355 NZD
Retailer 3$1,360 NZD
Retailer 12$1,751 NZD
Retailer 15$1,825 NZD
Retailer 4$2,384 NZD
Retailer 8$2,412 NZD
Retailer 6$2,502 NZD
Retailer 17$2,852 NZD
Retailer 14$3,028 NZD
Retailer 9$3,221 NZD
Brilliant Earth$5,965 NZD

35 data points across 17 retailers

19 retailers$680 NZD to $5,965 NZD

A
Cheapest Retailer
-
$680 NZD
$382 USD
Final sale: no returns
A
Retailer 2
-
$782 NZD
£346 GBP
View
A
Retailer 3
-
$1,140 NZD
$640 USD
View
A
Retailer 4
-
$1,214 NZD
$682 USD
View
A
Retailer 5
-
$1,226 NZD
€656 EUR
View
A
Retailer 6
-
$1,297 NZD
ZAR 11,767 ZAR
View
A
Retailer 7
-
$1,355 NZD
£599 GBP
View
A
Retailer 8
-
$1,360 NZD
$764 USD
View
A
Retailer 9
-
$1,751 NZD
A$1,513 AUD
View
A
Retailer 10
-
$1,825 NZD
$1,025 USD
View
A
Retailer 11
-
$2,384 NZD
$1,339 USD
View
A
Retailer 12
-
$2,412 NZD
SGD 1,831 SGD
View
A
Retailer 13
-
$2,502 NZD
$1,405 USD
View
A
Retailer 14
-
$2,657 NZD
$1,492 USD
View
A
Retailer 15
-
$2,852 NZD
$1,602 USD
View
B+
Retailer 16
-
$3,028 NZD
£1,339 GBP
View
Retailer 17
-
$3,221 NZD
A$2,783 AUD
View
Price last confirmed 24 days ago
Retailer 18
-
$3,310 NZD
£1,464 GBP
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
17358738A · Oct 29
$5,965 NZD
$3,350 USD
View
18 more retailers have this diamond
Prices start from $680 NZDSave up to $5,285 NZD

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
$680 NZD