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Cushion|Lab Grown|IGI

1.54ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG686508562

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG686508562

Diamond specifications and retailer prices

From $286 USD
As of October 28, 2026
Save $1,664 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,950 USD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.54ct lab-grown cushion diamond

This 1.54ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG686508562 or 686508562. Listed at 18 retailers as of October 24, 2026, with prices from $286 to $1,950, a $1,664 spread on the same certified stone. Brilliant Earth lists it at $1,950. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG686508562
Dimensions6.83 × 6.67 × 4.36 mm
L/W Ratio1.02
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 mm6.67 mm1.54 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG686508562
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 65.4%

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 28
Current: $1,950 USD|Low: $235 USD|High: $2,050 USD|Avg: $762 USD|-4.9%
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
Retailer 17
Retailer 18
October 29, 2026
Retailer 7$286 USD
Retailer 3$317 USD
Retailer 10$359 USD
Retailer 15$435 USD
Retailer 14$479 USD
Retailer 8$528 USD
Retailer 5$540 USD
Retailer 12$544 USD
Retailer 11$600 USD
Retailer 18$656 USD
Retailer 13$738 USD
Retailer 16$1,030 USD
Retailer 6$1,069 USD
Retailer 17$1,136 USD
Retailer 4$1,246 USD
Retailer 2$1,275 USD
Retailer 9$1,370 USD
Brilliant Earth$1,950 USD

39 data points across 18 retailers

18 retailers$286 USD to $1,950 USD

A
Cheapest Retailer
-
$286 USD
Final sale: no returns
A
Retailer 2
-
$317 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$359 USD
£282 GBP
View
Price last confirmed 19 days ago
A
Retailer 4
-
$435 USD
View
A
Retailer 5
-
$479 USD
€456 EUR
View
A
Retailer 6
-
$528 USD
View
A
Retailer 7
-
$540 USD
View
A
Retailer 8
-
$544 USD
ZAR 8,786 ZAR
View
B+
Retailer 9
-
$600 USD
£473 GBP
View
B+
Retailer 10
-
$656 USD
View
B+
Retailer 11
-
$738 USD
A$1,135 AUD
View
B
Retailer 12
-
$1,030 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$1,069 USD
View
B
Retailer 14
-
$1,136 USD
View
B
Retailer 15
-
$1,246 USD
View
B
Retailer 16
-
$1,275 USD
£1,004 GBP
View
B
Retailer 17
-
$1,370 USD
View
Most Expensive
B
Brilliant Earth
13282665A · Oct 24
$1,950 USD
View
17 more retailers have this diamond
Prices start from $286 USDSave up to $1,664 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
1.54ct Cushion
$286 USD