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Cushion|Lab Grown|IGI

1.01ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG677514326

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG677514326

Diamond specifications and retailer prices

From $225 AUD
$158 USD
As of October 28, 2026
Save $970 AUD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,195 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown cushion diamond

This 1.01ct 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 LG677514326 or 677514326. Listed at 10 retailers as of October 28, 2026, with prices from $225 to $1,195, a $970 spread on the same certified stone. MOH London lists it at $1,195. 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

1.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677514326
Dimensions6.89 × 5.51 × 3.65 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm5.51 mm1.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677514326
Side View
Table 62.0%Crown 31.2°Girdle: MED-VTKPavilion 40.8°Culet: NoneDepth 66.2%

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: $1,195 AUD|Low: $225 AUD|High: $1,195 AUD|Avg: $532 AUD|+1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 10$225 AUD
Retailer 6$253 AUD
Retailer 9$413 AUD
Retailer 2$436 AUD
Retailer 7$471 AUD
Retailer 4$481 AUD
Retailer 5$483 AUD
Retailer 8$602 AUD
Retailer 3$887 AUD
MOH London$1,195 AUD

42 data points across 10 retailers

10 retailers$225 AUD to $1,195 AUD

A
Cheapest Retailer
-
$225 AUD
$158 USD
Final sale: no returns
A
Retailer 2
-
$253 AUD
$178 USD
View
A
Retailer 3
-
$413 AUD
$290 USD
View
A
Retailer 4
-
$436 AUD
£241 GBP
View
A
Retailer 5
-
$471 AUD
$331 USD
View
A
Retailer 6
-
$481 AUD
€322 EUR
View
A
Retailer 7
-
$483 AUD
£267 GBP
View
B+
Retailer 8
-
$602 AUD
$423 USD
View
B+
Retailer 9
-
$887 AUD
$623 USD
View
Most Expensive
B
MOH London
LG677514326 · Oct 29
$1,195 AUD
£661 GBP
View
9 more retailers have this diamond
Prices start from $225 AUDSave up to $970 AUD

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
1.01ct Cushion
$225 AUD