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Cushion|Lab Grown|IGI

1.03ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG841628633

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG841628633

Diamond specifications and retailer prices

From $787 AUD
$553 USD
As of October 28, 2026
Save $1,932 AUD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,719 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841628633 or 841628633. Listed at 10 retailers as of October 28, 2026, with prices from $787 to $2,719, a $1,932 spread on the same certified stone. Brilliant Earth lists it at $2,719. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841628633
Dimensions5.87 × 5.85 × 3.79 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.87 mm5.85 mm1.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841628633
Side View
Table 64.0%Crown 32.7°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 64.8%

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: Oct 28
Current: $908 AUD|Low: $787 AUD|High: $1,925 AUD|Avg: $1,284 AUD|+2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 7$787 AUD
Retailer 5$820 AUD
Retailer 6$860 AUD
Retailer 1$908 AUD
Retailer 3$1,425 AUD
Retailer 8$1,599 AUD
Retailer 9$1,677 AUD
Retailer 4$1,836 AUD
Retailer 2$1,905 AUD

20 data points across 9 retailers

10 retailers$787 AUD to $2,719 AUD

A
Cheapest Retailer
-
$787 AUD
$553 USD
A
Retailer 2
-
$820 AUD
$576 USD
View
A
Retailer 3
-
$860 AUD
$604 USD
View
A
Retailer 4
-
$908 AUD
£502 GBP
View
B+
Retailer 5
-
$1,425 AUD
View
B+
Retailer 6
-
$1,599 AUD
$1,123 USD
View
B+
Retailer 7
-
$1,677 AUD
$1,178 USD
View
Retailer 8
-
$1,836 AUD
$1,290 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$1,905 AUD
£1,054 GBP
View
Most Expensive
B
Brilliant Earth
22302465A · Oct 29
$2,719 AUD
$1,910 USD
View
9 more retailers have this diamond
Prices start from $787 AUDSave up to $1,932 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
$787 AUD