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Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG717559048

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

Certificate IGI LG717559048

Diamond specifications and retailer prices

From $398 USD
As of October 28, 2026
Save $2,129 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,527 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG717559048 or 717559048. Listed at 22 retailers as of October 27, 2026, with prices from $398 to $2,527, a $2,129 spread on the same certified stone. Queensmith lists it at $2,527. 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 angle38.2°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717559048
Dimensions6.90 × 6.69 × 4.29 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.90 mm6.69 mm1.73 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717559048
Side View
Table 60.0%Crown 38.2°Girdle: STK-THKPavilion 31.6°Culet: NoneDepth 64.1%

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: $753 USD|Low: $379 USD|High: $2,540 USD|Avg: $1,045 USD|-2.6%
Retailer 1
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
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Retailer 18
October 29, 2026
Retailer 14$398 USD
Retailer 10$420 USD
Retailer 12$447 USD
Retailer 17$560 USD
Retailer 9$565 USD
Retailer 11$671 USD
Retailer 15$722 USD
Retailer 1$753 USD
Retailer 5$760 USD
Retailer 7$815 USD
Retailer 18$986 USD
Retailer 4$1,046 USD
Retailer 8$1,393 USD
Retailer 6$1,588 USD
Retailer 2$1,631 USD
Retailer 16$1,685 USD
Retailer 3$1,810 USD
Retailer 13$2,470 USD

28 data points across 18 retailers

22 retailers$398 USD to $2,527 USD

A
Cheapest Retailer
-
$398 USD
Final sale: no returns
A
Retailer 2
-
$420 USD
View
A
Retailer 3
-
$447 USD
£352 GBP
View
A
Retailer 4
-
$560 USD
View
A
Retailer 5
-
$565 USD
View
A
Retailer 6
-
$671 USD
€639 EUR
View
A
Retailer 7
-
$722 USD
ZAR 11,662 ZAR
View
A
Retailer 8
-
$753 USD
£593 GBP
View
A
Retailer 9
-
$760 USD
View
A
Retailer 10
-
$815 USD
View
B+
Retailer 11
-
$986 USD
A$1,517 AUD
View
B+
Retailer 12
-
$1,022 USD
A$1,572 AUD
View
Price last confirmed 117 days ago
B+
Retailer 13
-
$1,046 USD
View
B
Retailer 14
-
$1,393 USD
View
B
Retailer 15
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$1,448 USD
View
B
Retailer 16
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$1,588 USD
View
B
Retailer 17
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$1,631 USD
£1,284 GBP
View
B
Retailer 18
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$1,685 USD
£1,327 GBP
View
B
Retailer 19
-
$1,810 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$2,470 USD
View
B
Retailer 21
-
$2,480 USD
View
Most Expensive
B
Queensmith
LG717559048 · Oct 27
$2,527 USD
£1,990 GBP
View
21 more retailers have this diamond
Prices start from $398 USDSave up to $2,129 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
$398 USD