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Cushion|Lab Grown|IGI

1.00ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG754537731

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754537731

Diamond specifications and retailer prices

From $415 NZD
As of November 6, 2026
Save $2,814 NZD (87%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,229 NZD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754537731 or 754537731. Listed at 8 retailers as of November 6, 2026, with prices from $415 to $3,229, a $2,814 spread on the same certified stone. Do Amore Diamonds lists it at $3,229. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754537731
Dimensions6.92 × 5.34 × 3.52 mm
L/W Ratio1.30
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.92 mm5.34 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754537731
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 36.4°Culet: NoneDepth 65.9%

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 6
Current: $3,229 NZD|Low: $399 NZD|High: $3,229 NZD|Avg: $1,158 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$399 NZD
Retailer 7$415 NZD
Retailer 6$539 NZD
Retailer 5$592 NZD
Retailer 2$797 NZD
Retailer 3$2,056 NZD
Do Amore Diamonds$3,229 NZD

42 data points across 7 retailers

8 retailers$415 NZD to $3,229 NZD

Retailer 1
-
$399 NZD
Price last confirmed 13 days ago
A
Retailer 2
-
$415 NZD
View
B+
Retailer 3
-
$539 NZD
View
A
Retailer 4
-
$592 NZD
View
B+
Retailer 5
-
$797 NZD
View
B
Retailer 6
-
$1,728 NZD
View
B
Retailer 7
-
$2,056 NZD
View
Most Expensive
B
Do Amore Diamonds
23-754537731 · Nov 6
$3,229 NZD
$1,790 USD
View
7 more retailers have this diamond
Prices start from $415 NZDSave up to $2,814 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
$415 NZD