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Cushion|Lab Grown|IGI

1.88ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG591347004

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG591347004

Diamond specifications and retailer prices

From $668 USD
A$1,028 AUD
As of November 2, 2026
4 retailers carry this diamond
Most expensive: $1,850 USD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 1.88ct lab-grown cushion diamond

This 1.88ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG591347004 or 591347004. Listed at 4 retailers as of November 2, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591347004
Dimensions8.51 × 6.90 × 4.33 mm
L/W Ratio1.23
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
8.51 mm6.90 mm1.88 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591347004
Side View
Table 62.0%Crown 33.1°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $1,850 USD|Low: $454 USD|High: $2,170 USD|Avg: $949 USD|-14.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$472 USD
Retailer 5$573 USD
Retailer 9$594 USD
Retailer 12$599 USD
Retailer 8$648 USD
Retailer 2$668 USD
Retailer 11$670 USD
Retailer 3$823 USD
Retailer 4$1,372 USD
Retailer 10$1,373 USD
Retailer 7$1,466 USD
Brilliant Earth$1,850 USD

7 data points across 12 retailers

4 retailers

Retailer 1
-
$472 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$668 USD
A$1,028 AUD
View
Retailer 3
-
$823 USD
A$1,266 AUD
View
Price last confirmed 75 days ago
Most Expensive
Brilliant Earth
21837144A · Oct 18
$1,850 USD
View
Price last confirmed 14 days ago
3 more retailers have this diamond
Prices start from $668 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
1.88ct Cushion
$668 USD