Cushion|Lab Grown|IGI

3.77ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG826611770

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

Certificate IGI LG826611770

Diamond specifications and retailer prices

From $631 USD
As of October 31, 2026
Save $499 USD (44%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,130 USD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 3.77ct lab-grown cushion diamond

This 3.77ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826611770 or 826611770. Listed at 2 retailers as of October 31, 2026, with prices from $631 to $1,130, a $499 spread on the same certified stone. 77 Diamonds lists it at $1,130. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.77
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826611770
Dimensions9.23 × 9.05 × 5.96 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
9.23 mm9.05 mm3.77 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826611770
Side View
Table 62.0%Crown 33.7°Girdle: MED-THKPavilion 39.6°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,130 USD|Low: $631 USD|High: $2,549 USD|Avg: $1,673 USD|-6.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2$631 USD
77 Diamonds$1,130 USD
Retailer 4$1,181 USD
Retailer 3$1,300 USD
Retailer 5$2,515 USD
Retailer 6$2,549 USD

37 data points across 6 retailers

2 retailers$631 USD to $1,130 USD

A
Cheapest Retailer
-
$631 USD
Final sale: no returns
Most Expensive
A
77 Diamonds
CUSTVSH4RBQP3P · Nov 1
$1,130 USD
£890 GBP
View
1 more retailer has this diamond
Prices start from $631 USDSave up to $499 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
3.77ct Cushion
$631 USD