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Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG825630717

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG825630717

Diamond specifications and retailer prices

From $937 NZD
$528 USD
As of November 1, 2026
Save $2,328 NZD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,265 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825630717 or 825630717. Listed at 10 retailers as of October 31, 2026, with prices from $937 to $3,265, a $2,328 spread on the same certified stone. Brilliant Earth lists it at $3,265. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630717
Dimensions5.89 × 5.85 × 3.78 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.89 mm5.85 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825630717
Side View
Table 62.0%Crown 33.7°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 64.6%

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: Nov 1
Current: $3,265 NZD|Low: $924 NZD|High: $3,300 NZD|Avg: $1,678 NZD|-1.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$937 NZD
Retailer 6$1,013 NZD
Retailer 5$1,062 NZD
Retailer 2$1,068 NZD
Retailer 10$1,725 NZD
Retailer 9$1,892 NZD
Retailer 7$1,964 NZD
Retailer 3$2,218 NZD
Retailer 4$2,244 NZD
Brilliant Earth$3,265 NZD

42 data points across 10 retailers

10 retailers$937 NZD to $3,265 NZD

A
Cheapest Retailer
-
$937 NZD
$528 USD
A
Retailer 2
-
$1,013 NZD
$571 USD
View
A
Retailer 3
-
$1,062 NZD
€570 EUR
View
A
Retailer 4
-
$1,068 NZD
£474 GBP
View
Retailer 5
-
$1,725 NZD
A$1,496 AUD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,892 NZD
$1,066 USD
View
B+
Retailer 7
-
$1,964 NZD
$1,107 USD
View
B+
Retailer 8
-
$2,218 NZD
$1,250 USD
View
B+
Retailer 9
-
$2,244 NZD
£996 GBP
View
Most Expensive
B
Brilliant Earth
21214347A · Oct 31
$3,265 NZD
$1,840 USD
View
9 more retailers have this diamond
Prices start from $937 NZDSave up to $2,328 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
1.00ct Cushion
$937 NZD