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Cushion|Lab Grown|IGI

1.77ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG741503943

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG741503943

Diamond specifications and retailer prices

From $350 USD
£276 GBP
As of November 2, 2026
Save $2,000 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,350 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 LG741503943 or 741503943. Listed at 13 retailers as of October 31, 2026, with prices from $350 to $2,350, a $2,000 spread on the same certified stone. Brilliant Earth lists it at $2,350. 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 angle35.3°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741503943
Dimensions7.86 × 6.30 × 3.97 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.86 mm6.30 mm1.77 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741503943
Side View
Table 64.0%Crown 35.3°Girdle: STK-THKPavilion 33.9°Culet: NoneDepth 63.0%

Caratlytics Score

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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 2
Current: $2,350 USD|Low: $350 USD|High: $2,480 USD|Avg: $860 USD|-4.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2$350 USD
Retailer 8$405 USD
Retailer 4$518 USD
Retailer 5$540 USD
Retailer 3$564 USD
Retailer 7$699 USD
Retailer 6$1,208 USD
Retailer 9$1,220 USD
Brilliant Earth$2,350 USD

39 data points across 9 retailers

13 retailers$350 USD to $2,350 USD

A
Cheapest Retailer
-
$350 USD
£276 GBP
B+
Retailer 2
-
$405 USD
View
A
Retailer 3
-
$518 USD
ZAR 8,363 ZAR
View
A
Retailer 4
-
$540 USD
€514 EUR
View
A
Retailer 5
-
$564 USD
£444 GBP
View
A
Retailer 6
-
$636 USD
View
A
Retailer 7
-
$677 USD
View
A
Retailer 8
-
$699 USD
A$1,075 AUD
View
B+
Retailer 9
-
$971 USD
SGD 1,312 SGD
View
B+
Retailer 10
-
$1,016 USD
View
B+
Retailer 11
-
$1,208 USD
£951 GBP
View
B
Retailer 12
-
$1,220 USD
View
Most Expensive
B
Brilliant Earth
20614716A · Oct 31
$2,350 USD
View
12 more retailers have this diamond
Prices start from $350 USDSave up to $2,000 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
$350 USD