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Cushion|Lab Grown|IGI

1.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG831608926

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831608926

Diamond specifications and retailer prices

From $259 AUD
$182 USD
As of October 27, 2026
Save $1,278 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,537 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.05ct lab-grown cushion diamond

This 1.05ct 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 LG831608926 or 831608926. Listed at 16 retailers as of October 27, 2026, with prices from $259 to $1,537, a $1,278 spread on the same certified stone. Brilliant Earth lists it at $1,537. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831608926
Dimensions6.85 × 5.16 × 3.39 mm
L/W Ratio1.33
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.85 mm5.16 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831608926
Side View
Table 67.0%Crown 35.7°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,537 AUD|Low: $259 AUD|High: $1,594 AUD|Avg: $752 AUD|-3.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 6$259 AUD
Retailer 8$328 AUD
Retailer 3$364 AUD
Retailer 5$480 AUD
Retailer 13$481 AUD
Retailer 14$486 AUD
Retailer 10$505 AUD
Retailer 16$518 AUD
Retailer 11$617 AUD
Retailer 15$747 AUD
Retailer 9$779 AUD
Retailer 2$927 AUD
Retailer 7$1,002 AUD
Retailer 12$1,345 AUD
Retailer 4$1,530 AUD
Brilliant Earth$1,537 AUD

42 data points across 16 retailers

16 retailers$259 AUD to $1,537 AUD

A
Cheapest Retailer
-
$259 AUD
$182 USD
Final sale: no returns
A
Retailer 2
-
$328 AUD
HK$1,800 HKD
View
A
Retailer 3
-
$364 AUD
£201 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$480 AUD
$337 USD
View
A
Retailer 5
-
$481 AUD
€322 EUR
View
A
Retailer 6
-
$486 AUD
ZAR 5,513 ZAR
View
A
Retailer 7
-
$505 AUD
£279 GBP
View
A
Retailer 8
-
$518 AUD
$364 USD
View
B+
Retailer 9
-
$617 AUD
£341 GBP
View
B+
Retailer 10
-
$747 AUD
$525 USD
View
B+
Retailer 11
-
$779 AUD
SGD 740 SGD
View
B+
Retailer 12
-
$927 AUD
$651 USD
View
B
Retailer 13
-
$1,002 AUD
$704 USD
View
B
Retailer 14
-
$1,345 AUD
£744 GBP
View
B
Retailer 15
-
$1,530 AUD
$1,075 USD
View
Most Expensive
B
Brilliant Earth
21285574A · Oct 28
$1,537 AUD
$1,080 USD
View
15 more retailers have this diamond
Prices start from $259 AUDSave up to $1,278 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
1.05ct Cushion
$259 AUD