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Cushion|Lab Grown|IGI

1.77ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG837633778

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837633778

Diamond specifications and retailer prices

From $317 USD
£250 GBP
As of November 1, 2026
Save $817 USD (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,134 USD at With Clarity · As of November 1, 2026
View at With Clarity

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 LG837633778 or 837633778. Listed at 8 retailers as of November 1, 2026, with prices from $317 to $1,134, a $817 spread on the same certified stone. With Clarity lists it at $1,134. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837633778
Dimensions8.98 × 6.12 × 4.07 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.98 mm6.12 mm1.77 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837633778
Side View
Table 62.0%Crown 36.4°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $317 USD|Low: $317 USD|High: $1,221 USD|Avg: $814 USD|-5.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
November 1, 2026
Retailer 1$317 USD
Retailer 2$453 USD
Retailer 6$611 USD
Retailer 4$634 USD
Retailer 7$934 USD
Retailer 5$984 USD
Retailer 3$1,093 USD
With Clarity$1,134 USD

34 data points across 8 retailers

8 retailers$317 USD to $1,134 USD

A
Cheapest Retailer
-
$317 USD
£250 GBP
A
Retailer 2
-
$453 USD
€431 EUR
View
A
Retailer 3
-
$611 USD
View
A
Retailer 4
-
$634 USD
A$975 AUD
View
B+
Retailer 5
-
$934 USD
A$1,437 AUD
View
B+
Retailer 6
-
$984 USD
View
B+
Retailer 7
-
$1,093 USD
£861 GBP
View
Most Expensive
B+
With Clarity
837633778 · Nov 1
$1,134 USD
View
7 more retailers have this diamond
Prices start from $317 USDSave up to $817 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
$317 USD