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Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG728559205

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

Certificate IGI LG728559205

Diamond specifications and retailer prices

From $472 USD
As of October 30, 2026
Save $2,068 USD (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,540 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG728559205 or 728559205. Listed at 8 retailers as of October 30, 2026, with prices from $472 to $2,540, a $2,068 spread on the same certified stone. Do Amore Diamonds lists it at $2,540. 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 angle41.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728559205
Dimensions6.77 × 6.59 × 4.57 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.77 mm6.59 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728559205
Side View
Table 66.0%Crown 41.2°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 69.3%

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: Oct 30
Current: $2,540 USD|Low: $283 USD|High: $2,540 USD|Avg: $901 USD
Do Amore Diamonds
Retailer 2
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Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 30, 2026
Retailer 6$283 USD
Retailer 2$472 USD
Retailer 10$510 USD
Retailer 4$532 USD
Retailer 16$581 USD
Retailer 5$585 USD
Retailer 9$614 USD
Retailer 3$727 USD
Retailer 8$785 USD
Retailer 11$789 USD
Retailer 14$1,119 USD
Retailer 13$1,270 USD
Retailer 15$1,805 USD
Retailer 12$2,157 USD
Retailer 7$2,290 USD
Do Amore Diamonds$2,540 USD

12 data points across 16 retailers

8 retailers$472 USD to $2,540 USD

B+
Cheapest Retailer
-
$472 USD
A
Retailer 2
-
$510 USD
View
A
Retailer 3
-
$614 USD
€585 EUR
View
A
Retailer 4
-
$710 USD
View
Retailer 5
-
$1,795 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$1,805 USD
View
Price last confirmed 32 days ago
B
Retailer 7
-
$2,157 USD
View
Most Expensive
B
Do Amore Diamonds
27-8EEDACA36 · Oct 30
$2,540 USD
View
7 more retailers have this diamond
Prices start from $472 USDSave up to $2,068 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
$472 USD