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Cushion|Lab Grown|IGI

1.77ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG623419458

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG623419458

Diamond specifications and retailer prices

From $596 USD
As of November 2, 2026
Save $1,658 USD (74%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,254 USD at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 1.77ct lab-grown cushion diamond

This 1.77ct 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 LG623419458 or 623419458. Listed at 3 retailers as of October 30, 2026, with prices from $596 to $2,254, a $1,658 spread on the same certified stone. Yadav Diamonds lists it at $2,254. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623419458
Dimensions8.40 × 6.46 × 4.31 mm
L/W Ratio1.30
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
8.40 mm6.46 mm1.77 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623419458
Side View
Table 65.0%Crown 30.8°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $768 USD|Low: $586 USD|High: $2,254 USD|Avg: $1,331 USD|+6.7%
Retailer 1
Retailer 2
Retailer 3
Yadav Diamonds
October 7, 2026
Retailer 2$596 USD
Retailer 1$768 USD
Retailer 3$1,741 USD
Yadav Diamonds$2,254 USD

3 data points across 4 retailers

3 retailers$596 USD to $2,254 USD

A
Cheapest Retailer
-
$596 USD
B+
Retailer 2
-
$768 USD
View
Most Expensive
B
Yadav Diamonds
11269124 · Oct 30
$2,254 USD
View
2 more retailers have this diamond
Prices start from $596 USDSave up to $1,658 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
1.77ct Cushion
$596 USD