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Marquise|Lab Grown|IGI

1.73ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG797658833

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797658833

Diamond specifications and retailer prices

From $435 CAD
$311 USD
As of October 28, 2026
Save $1,513 CAD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,477 CAD at Rare Carat · As of October 4, 2026
View at Rare Carat

About this 1.73ct lab-grown marquise diamond

This 1.73ct lab-grown marquise 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 LG797658833 or 797658833. Listed at 15 retailers as of October 28, 2026, with a 348% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797658833
Dimensions12.87 × 6.18 × 3.79 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.87 mm6.18 mm1.73 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797658833
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.3%

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 28
Current: $2,477 CAD|Low: $435 CAD|High: $2,477 CAD|Avg: $1,207 CAD|+4.9%
Rare Carat
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
October 29, 2026
Retailer 15$435 CAD
Retailer 9$514 CAD
Retailer 12$707 CAD
Retailer 3$799 CAD
Retailer 11$831 CAD
Retailer 2$850 CAD
Retailer 7$892 CAD
Retailer 4$967 CAD
Retailer 5$1,111 CAD
Retailer 10$1,124 CAD
Retailer 13$1,486 CAD
Retailer 6$1,626 CAD
Retailer 14$1,860 CAD
Retailer 8$1,948 CAD
Rare Carat$2,477 CAD

40 data points across 15 retailers

15 retailers$435 CAD to $1,948 CAD

A
Cheapest Retailer
-
$435 CAD
$311 USD
Final sale: no returns
A
Retailer 2
-
$477 CAD
$341 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
$514 CAD
£289 GBP
View
A
Retailer 4
-
$707 CAD
$505 USD
View
A
Retailer 5
-
$799 CAD
$571 USD
View
A
Retailer 6
-
$831 CAD
ZAR 9,594 ZAR
View
A
Retailer 7
-
$850 CAD
£478 GBP
View
A
Retailer 8
-
$967 CAD
$691 USD
View
A
Retailer 9
-
$1,111 CAD
$794 USD
View
A
Retailer 10
-
$1,124 CAD
A$1,236 AUD
View
B+
Retailer 11
-
$1,486 CAD
$1,062 USD
View
B+
Retailer 12
-
$1,626 CAD
$1,162 USD
View
B+
Retailer 13
-
$1,860 CAD
$1,329 USD
View
B+
Retailer 14
-
$1,948 CAD
£1,096 GBP
View
Most Expensive
B
Rare Carat
ITU-ITUS-J1008 · Oct 4
$2,477 CAD
$1,770 USD
View
Price last confirmed 25 days ago
14 more retailers have this diamond
Prices start from $435 CADSave up to $1,513 CAD

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 Marquise
$435 CAD