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Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG777634305

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG777634305

Diamond specifications and retailer prices

From $315 USD
As of October 28, 2026
Save $2,735 USD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,050 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG777634305 or 777634305. Listed at 18 retailers as of October 28, 2026, with prices from $315 to $3,050, a $2,735 spread on the same certified stone. Brilliant Earth lists it at $3,050. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777634305
Dimensions8.21 × 6.50 × 4.44 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.21 mm6.50 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777634305
Side View
Table 61.0%Crown 33.2°Girdle: MED-STKPavilion 43.8°Culet: NoneDepth 68.3%

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: Oct 28
Current: $3,050 USD|Low: $315 USD|High: $3,180 USD|Avg: $957 USD|+7.4%
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
October 29, 2026
Retailer 5$315 USD
Retailer 16$349 USD
Retailer 3$373 USD
Retailer 7$470 USD
Retailer 14$470 USD
Retailer 10$567 USD
Retailer 13$599 USD
Retailer 2$615 USD
Retailer 4$619 USD
Retailer 17$795 USD
Retailer 12$811 USD
Retailer 8$1,172 USD
Retailer 9$1,342 USD
Retailer 11$1,406 USD
Retailer 6$1,453 USD
Retailer 15$1,785 USD
Brilliant Earth$3,050 USD

33 data points across 17 retailers

18 retailers$315 USD to $3,050 USD

A
Cheapest Retailer
-
$315 USD
Final sale: no returns
A
Retailer 2
-
$349 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$373 USD
£294 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$470 USD
View
B+
Retailer 5
-
$470 USD
View
A
Retailer 6
-
$567 USD
€540 EUR
View
A
Retailer 7
-
$599 USD
ZAR 9,684 ZAR
View
A
Retailer 8
-
$615 USD
£484 GBP
View
A
Retailer 9
-
$619 USD
View
A
Retailer 10
-
$795 USD
View
A
Retailer 11
-
$811 USD
A$1,248 AUD
View
B+
Retailer 12
-
$1,172 USD
View
B+
Retailer 13
-
$1,342 USD
View
B+
Retailer 14
-
$1,406 USD
£1,107 GBP
View
B+
Retailer 15
-
$1,453 USD
View
B+
Retailer 16
-
$1,785 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
$2,527 USD
£1,990 GBP
View
Most Expensive
B
Brilliant Earth
18619133A · Oct 28
$3,050 USD
View
17 more retailers have this diamond
Prices start from $315 USDSave up to $2,735 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
1.73ct Cushion
$315 USD