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Cushion|Lab Grown|IGI

1.03ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG668410063

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG668410063

Diamond specifications and retailer prices

From $233 AUD
As of November 6, 2026
Save $987 AUD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,220 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.03ct lab-grown cushion diamond

This 1.03ct 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 LG668410063 or 668410063. Listed at 12 retailers as of November 2, 2026, with prices from $233 to $1,220, a $987 spread on the same certified stone. MOH London lists it at $1,220. 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

1.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668410063
Dimensions6.83 × 5.36 × 3.58 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.83 mm5.36 mm1.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668410063
Side View
Table 62.0%Crown 34.9°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 66.8%

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: $1,220 AUD|Low: $258 AUD|High: $1,240 AUD|Avg: $552 AUD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$263 AUD
Retailer 4$336 AUD
Retailer 6$435 AUD
Retailer 5$445 AUD
Retailer 9$485 AUD
Retailer 2$492 AUD
Retailer 10$495 AUD
Retailer 7$619 AUD
Retailer 3$713 AUD
Retailer 8$728 AUD
MOH London$1,220 AUD

38 data points across 11 retailers

12 retailers$233 AUD to $1,220 AUD

A
Cheapest Retailer
-
$233 AUD
Final sale: no returns
Retailer 2
-
$263 AUD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$336 AUD
View
A
Retailer 4
-
$435 AUD
View
A
Retailer 5
-
$445 AUD
View
A
Retailer 6
-
$485 AUD
View
A
Retailer 7
-
$492 AUD
View
A
Retailer 8
-
$495 AUD
View
A
Retailer 9
-
$619 AUD
View
B+
Retailer 10
-
$713 AUD
View
B+
Retailer 11
-
$728 AUD
View
Most Expensive
B
MOH London
LG668410063 · Nov 2
$1,220 AUD
£660 GBP
View
11 more retailers have this diamond
Prices start from $233 AUDSave up to $987 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
1.03ct Cushion
$233 AUD