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Cushion|Lab Grown|IGI

1.04ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG837666612

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837666612

Diamond specifications and retailer prices

From $320 AUD
As of November 6, 2026
Save $1,658 AUD (84%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,978 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.04ct lab-grown cushion diamond

This 1.04ct 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 LG837666612 or 837666612. Listed at 8 retailers as of November 5, 2026, with prices from $320 to $1,978, a $1,658 spread on the same certified stone. MOH London lists it at $1,978. 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

1.04
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837666612
Dimensions6.79 × 5.08 × 3.65 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm5.08 mm1.04 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG837666612
Side View
Table 64.0%Crown 36°Girdle: THK-VTKPavilion 38.2°Culet: NoneDepth 71.9%

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: $1,978 AUD|Low: $320 AUD|High: $2,042 AUD|Avg: $694 AUD|-3.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$320 AUD
Retailer 4$390 AUD
Retailer 2$419 AUD
Retailer 7$435 AUD
Retailer 6$445 AUD
Retailer 8$728 AUD
Retailer 3$835 AUD
MOH London$1,978 AUD

24 data points across 8 retailers

8 retailers$320 AUD to $1,978 AUD

B+
Cheapest Retailer
-
$320 AUD
A
Retailer 2
-
$390 AUD
View
A
Retailer 3
-
$419 AUD
View
A
Retailer 4
-
$435 AUD
View
A
Retailer 5
-
$445 AUD
View
B+
Retailer 6
-
$728 AUD
View
B+
Retailer 7
-
$835 AUD
View
Most Expensive
B
MOH London
LG837666612 · Nov 5
$1,978 AUD
£1,070 GBP
View
7 more retailers have this diamond
Prices start from $320 AUDSave up to $1,658 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
1.04ct Cushion
$320 AUD