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Cushion|Lab Grown|IGI

1.20ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG589382527

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG589382527

Diamond specifications and retailer prices

From $288 AUD
$202 USD
As of October 30, 2026
Save $1,325 AUD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,613 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.2ct lab-grown cushion diamond

This 1.2ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG589382527 or 589382527. Listed at 12 retailers as of October 30, 2026, with prices from $288 to $1,613, a $1,325 spread on the same certified stone. Reve Diamonds lists it at $1,613. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589382527
Dimensions6.31 × 6.10 × 4.03 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.31 mm6.10 mm1.20 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589382527
Side View
Table 64.0%Crown 35.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 66.1%

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 30
Current: $1,352 AUD|Low: $288 AUD|High: $1,770 AUD|Avg: $860 AUD|-14.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
October 30, 2026
Retailer 2$288 AUD
Retailer 6$548 AUD
Retailer 10$565 AUD
Retailer 4$576 AUD
Retailer 5$577 AUD
Retailer 9$606 AUD
Retailer 11$777 AUD
Retailer 7$779 AUD
Retailer 3$1,104 AUD
Retailer 1$1,352 AUD
Retailer 8$1,495 AUD
Reve Diamonds$1,613 AUD

40 data points across 12 retailers

12 retailers$288 AUD to $1,613 AUD

A
Cheapest Retailer
-
$288 AUD
$202 USD
Final sale: no returns
A
Retailer 2
-
$548 AUD
ZAR 6,223 ZAR
View
A
Retailer 3
-
$565 AUD
$397 USD
View
A
Retailer 4
-
$576 AUD
£318 GBP
View
A
Retailer 5
-
$577 AUD
€386 EUR
View
A
Retailer 6
-
$606 AUD
$426 USD
View
B+
Retailer 7
-
$777 AUD
$546 USD
View
B+
Retailer 8
-
$779 AUD
View
B+
Retailer 9
-
$1,104 AUD
$775 USD
View
B
Retailer 10
-
$1,352 AUD
$950 USD
View
B
Retailer 11
-
$1,495 AUD
£827 GBP
View
Most Expensive
B
Reve Diamonds
126C64865 · Oct 30
$1,613 AUD
$1,133 USD
View
11 more retailers have this diamond
Prices start from $288 AUDSave up to $1,325 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
1.20ct Cushion
$288 AUD