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Cushion|Lab Grown|IGI

1.77ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG597377265

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG597377265

Diamond specifications and retailer prices

From $440 USD
As of November 1, 2026
Save $1,430 USD (76%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,870 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG597377265 or 597377265. Listed at 13 retailers as of October 31, 2026, with prices from $440 to $1,870, a $1,430 spread on the same certified stone. Brilliant Earth lists it at $1,870. 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 angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG597377265
Dimensions7.24 × 7.02 × 4.67 mm
L/W Ratio1.03
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
7.24 mm7.02 mm1.77 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG597377265
Side View
Table 65.0%Crown 34.8°Girdle: MED-THKPavilion 41°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: $1,870 USD|Low: $207 USD|High: $2,690 USD|Avg: $940 USD|-30.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 7$207 USD
Retailer 14$440 USD
Retailer 4$450 USD
Retailer 12$547 USD
Retailer 10$563 USD
Retailer 2$625 USD
Retailer 5$650 USD
Retailer 15$684 USD
Retailer 8$763 USD
Retailer 3$774 USD
Retailer 17$1,012 USD
Retailer 16$1,100 USD
Retailer 9$1,234 USD
Retailer 13$1,284 USD
Retailer 11$1,308 USD
Brilliant Earth$1,870 USD
Retailer 6$2,310 USD

12 data points across 17 retailers

13 retailers$440 USD to $1,870 USD

B+
Cheapest Retailer
-
$440 USD
A
Retailer 2
-
$450 USD
View
A
Retailer 3
-
$547 USD
€521 EUR
View
A
Retailer 4
-
$563 USD
ZAR 9,092 ZAR
View
A
Retailer 5
-
$625 USD
£492 GBP
View
A
Retailer 6
-
$684 USD
View
Retailer 7
-
$763 USD
A$1,174 AUD
View
Price last confirmed 74 days ago
B+
Retailer 8
-
$774 USD
A$1,191 AUD
View
B+
Retailer 9
-
$1,012 USD
View
B+
Retailer 10
-
$1,100 USD
View
B
Retailer 11
-
$1,284 USD
View
B
Retailer 12
-
$1,308 USD
£1,030 GBP
View
Most Expensive
B
Brilliant Earth
22224516A · Oct 31
$1,870 USD
View
12 more retailers have this diamond
Prices start from $440 USDSave up to $1,430 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
$440 USD