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Cushion|Lab Grown|IGI

1.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG689562075

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689562075

Diamond specifications and retailer prices

From $616 NZD
$347 USD
As of November 1, 2026
Save $2,560 NZD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,176 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 LG689562075 or 689562075. Listed at 16 retailers as of October 31, 2026, with prices from $616 to $3,176, a $2,560 spread on the same certified stone. Brilliant Earth lists it at $3,176. 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 angle36.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562075
Dimensions6.87 × 5.33 × 3.55 mm
L/W Ratio1.29
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
6.87 mm5.33 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562075
Side View
Table 59.0%Crown 36.4°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 66.6%

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: $3,176 NZD|Low: $609 NZD|High: $3,176 NZD|Avg: $1,508 NZD|+1.7%
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
November 2, 2026
Retailer 10$616 NZD
Retailer 3$683 NZD
Retailer 13$1,038 NZD
Retailer 14$1,047 NZD
Retailer 15$1,105 NZD
Retailer 5$1,111 NZD
Retailer 9$1,177 NZD
Retailer 8$1,215 NZD
Retailer 2$1,258 NZD
Retailer 12$1,725 NZD
Retailer 4$1,765 NZD
Retailer 7$2,277 NZD
Retailer 6$2,742 NZD
Retailer 11$2,751 NZD
Brilliant Earth$3,176 NZD

41 data points across 15 retailers

16 retailers$616 NZD to $3,176 NZD

A
Cheapest Retailer
-
$616 NZD
$347 USD
Final sale: no returns
Retailer 2
-
$683 NZD
$385 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,038 NZD
$585 USD
View
A
Retailer 4
-
$1,047 NZD
$590 USD
View
A
Retailer 5
-
$1,105 NZD
$623 USD
View
A
Retailer 6
-
$1,111 NZD
$626 USD
View
A
Retailer 7
-
$1,177 NZD
ZAR 10,718 ZAR
View
A
Retailer 8
-
$1,215 NZD
£539 GBP
View
A
Retailer 9
-
$1,258 NZD
€675 EUR
View
B+
Retailer 10
-
$1,725 NZD
A$1,496 AUD
View
B+
Retailer 11
-
$1,765 NZD
$995 USD
View
B
Retailer 12
-
$2,277 NZD
$1,283 USD
View
B
Retailer 13
-
$2,569 NZD
$1,448 USD
View
B
Retailer 14
-
$2,742 NZD
$1,546 USD
View
B
Retailer 15
-
$2,751 NZD
£1,221 GBP
View
Most Expensive
B
Brilliant Earth
15714260A · Oct 31
$3,176 NZD
$1,790 USD
View
15 more retailers have this diamond
Prices start from $616 NZDSave up to $2,560 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
$616 NZD