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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 $221 USD
As of October 25, 2026
Save $1,569 USD (88%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,790 USD at Do Amore Diamonds · As of October 31, 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 October 25, 2026, with prices from $221 to $1,790, a $1,569 spread on the same certified stone. Do Amore Diamonds lists it at $1,790. 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
Color
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: Oct 25
Current: $1,790 USD|Low: $221 USD|High: $1,790 USD|Avg: $642 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4$221 USD
Retailer 7$230 USD
Retailer 6$299 USD
Retailer 5$328 USD
Retailer 2$447 USD
Retailer 3$1,149 USD
Do Amore Diamonds$1,790 USD

41 data points across 7 retailers

8 retailers$221 USD to $1,790 USD

A
Cheapest Retailer
-
$221 USD
A
Retailer 2
-
$230 USD
View
B+
Retailer 3
-
$299 USD
View
A
Retailer 4
-
$328 USD
View
B+
Retailer 5
-
$447 USD
£352 GBP
View
B
Retailer 6
-
$959 USD
View
B
Retailer 7
-
$1,149 USD
£905 GBP
View
Most Expensive
B
Do Amore Diamonds
23-754537731 · Oct 31
$1,790 USD
View
7 more retailers have this diamond
Prices start from $221 USDSave up to $1,569 USD

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
$221 USD