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Cushion|Lab Grown|IGI

1.00ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG821613098

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG821613098

Diamond specifications and retailer prices

From $174 USD
As of November 1, 2026
Save $179 USD (51%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $353 USD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821613098 or 821613098. Listed at 2 retailers as of November 1, 2026, with prices from $174 to $353, a $179 spread on the same certified stone. 77 Diamonds lists it at $353. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821613098
Dimensions5.85 × 5.73 × 3.87 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.85 mm5.73 mm1.00 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821613098
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 40°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $353 USD|Low: $174 USD|High: $462 USD|Avg: $356 USD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$174 USD
Retailer 3$313 USD
Retailer 6$326 USD
77 Diamonds$353 USD
Retailer 4$376 USD
Retailer 5$462 USD

37 data points across 6 retailers

2 retailers$174 USD to $353 USD

A
Cheapest Retailer
-
$174 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
CUSTVSM6DFHDED · Nov 2
$353 USD
£278 GBP
View
1 more retailer has this diamond
Prices start from $174 USDSave up to $179 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
1.00ct Cushion
$174 USD