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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 $182 USD
As of October 27, 2026
Save $898 USD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,080 USD 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 $182 to $1,080, a $898 spread on the same certified stone. Brilliant Earth lists it at $1,080. 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
Color
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: $1,080 USD|Low: $182 USD|High: $1,120 USD|Avg: $528 USD|-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$182 USD
Retailer 8$230 USD
Retailer 3$256 USD
Retailer 5$337 USD
Retailer 13$338 USD
Retailer 14$341 USD
Retailer 10$355 USD
Retailer 16$364 USD
Retailer 11$433 USD
Retailer 15$525 USD
Retailer 9$548 USD
Retailer 2$651 USD
Retailer 7$704 USD
Retailer 12$945 USD
Retailer 4$1,075 USD
Brilliant Earth$1,080 USD

42 data points across 16 retailers

16 retailers$182 USD to $1,080 USD

A
Cheapest Retailer
-
$182 USD
Final sale: no returns
A
Retailer 2
-
$230 USD
HK$1,800 HKD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$256 USD
£201 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$337 USD
View
A
Retailer 5
-
$338 USD
€322 EUR
View
A
Retailer 6
-
$341 USD
ZAR 5,513 ZAR
View
A
Retailer 7
-
$355 USD
£279 GBP
View
A
Retailer 8
-
$364 USD
View
B+
Retailer 9
-
$433 USD
£341 GBP
View
B+
Retailer 10
-
$525 USD
View
B+
Retailer 11
-
$548 USD
SGD 740 SGD
View
B+
Retailer 12
-
$651 USD
View
B
Retailer 13
-
$704 USD
View
B
Retailer 14
-
$945 USD
£744 GBP
View
B
Retailer 15
-
$1,075 USD
View
Most Expensive
B
Brilliant Earth
21285574A · Oct 28
$1,080 USD
View
15 more retailers have this diamond
Prices start from $182 USDSave up to $898 USD

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
$182 USD