Cushion|Lab Grown|IGI

1.54ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG840627456

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840627456

Diamond specifications and retailer prices

From $1,141 USD
As of November 3, 2026
Save $130 USD (10%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,330 USD at Brilliant Earth · As of October 22, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840627456 or 840627456. Listed at 10 retailers as of November 3, 2026, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840627456
Dimensions8.27 × 5.86 × 4.00 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm5.86 mm1.54 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840627456
Side View
Table 64.0%Crown 34.1°Girdle: MED-THKPavilion 36.9°Culet: NoneDepth 68.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 3
Current: $1,330 USD|Low: $247 USD|High: $1,330 USD|Avg: $754 USD
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
November 3, 2026
Retailer 13$247 USD
Retailer 14$319 USD
Retailer 7$378 USD
Retailer 11$449 USD
Retailer 12$491 USD
Retailer 4$496 USD
Retailer 16$603 USD
Retailer 10$639 USD
Retailer 3$920 USD
Retailer 5$932 USD
Retailer 15$995 USD
Retailer 6$1,101 USD
Retailer 8$1,134 USD
Retailer 2$1,141 USD
Retailer 9$1,271 USD
Brilliant Earth$1,330 USD

6 data points across 16 retailers

10 retailers$1,141 USD to $1,271 USD

Retailer 1
-
$378 USD
Price last confirmed 11 days ago
Retailer 2
-
$491 USD
£386 GBP
View
Price last confirmed 11 days ago
Retailer 3
-
$639 USD
A$983 AUD
View
Price last confirmed 10 days ago
Retailer 4
-
$920 USD
View
Price last confirmed 12 days ago
Retailer 5
-
$932 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$995 USD
View
Price last confirmed 12 days ago
Retailer 7
-
$1,101 USD
£867 GBP
View
Price last confirmed 13 days ago
B
Retailer 8
-
$1,141 USD
View
B
Retailer 9
-
$1,271 USD
View
Most Expensive
Brilliant Earth
22228002A · Oct 22
$1,330 USD
View
Price last confirmed 11 days ago
9 more retailers have this diamond
Prices start from $1,141 USDSave up to $130 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.

B
1.54ct Cushion
$1,141 USD