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Cushion|Lab Grown|IGI

1.70ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG750524534

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG750524534

Diamond specifications and retailer prices

From $830 NZD
$466 USD
As of October 28, 2026
Save $7,058 NZD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,888 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.7ct lab-grown cushion diamond

This 1.7ct 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 LG750524534 or 750524534. Listed at 10 retailers as of October 28, 2026, with prices from $830 to $7,888, a $7,058 spread on the same certified stone. Brilliant Earth lists it at $7,888. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750524534
Dimensions8.67 × 5.81 × 3.97 mm
L/W Ratio1.49
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
8.67 mm5.81 mm1.70 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750524534
Side View
Table 57.0%Crown 34.5°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 68.3%

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 28
Current: $7,888 NZD|Low: $593 NZD|High: $8,137 NZD|Avg: $3,128 NZD|-3.1%
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
October 29, 2026
Retailer 15$830 NZD
Retailer 13$1,241 NZD
Retailer 12$1,245 NZD
Retailer 9$1,246 NZD
Retailer 2$1,985 NZD
Retailer 4$2,020 NZD
Retailer 11$2,049 NZD
Retailer 10$2,341 NZD
Retailer 7$2,993 NZD
Retailer 8$3,358 NZD
Retailer 5$3,663 NZD
Retailer 3$3,752 NZD
Retailer 6$4,299 NZD
Retailer 14$5,555 NZD
Brilliant Earth$7,888 NZD

22 data points across 15 retailers

10 retailers$830 NZD to $7,888 NZD

A
Cheapest Retailer
-
$830 NZD
$466 USD
Final sale: no returns
A
Retailer 2
-
$1,241 NZD
$697 USD
View
A
Retailer 3
-
$1,245 NZD
$699 USD
View
A
Retailer 4
-
$1,246 NZD
$700 USD
View
A
Retailer 5
-
$1,985 NZD
A$1,715 AUD
View
A
Retailer 6
-
$2,049 NZD
$1,151 USD
View
A
Retailer 7
-
$2,341 NZD
$1,315 USD
View
B+
Retailer 8
-
$3,358 NZD
£1,485 GBP
View
B
Retailer 9
-
$5,555 NZD
$3,120 USD
View
Most Expensive
B
Brilliant Earth
21406205Y · Oct 29
$7,888 NZD
$4,430 USD
View
9 more retailers have this diamond
Prices start from $830 NZDSave up to $7,058 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
1.70ct Cushion
$830 NZD