Marquise|Lab Grown|IGI

1.70ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG844637694

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844637694

Diamond specifications and retailer prices

From $361 CAD
$258 USD
As of November 1, 2026
Save $1,680 CAD (82%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,040 CAD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.7ct lab-grown marquise diamond

This 1.7ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844637694 or 844637694. Listed at 3 retailers as of November 1, 2026, with prices from $361 to $2,040, a $1,680 spread on the same certified stone. Brilliant Earth lists it at $2,040. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844637694
Dimensions11.69 × 6.20 × 3.99 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.69 mm6.20 mm1.70 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844637694
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 64.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $2,040 CAD|Low: $361 CAD|High: $3,060 CAD|Avg: $1,408 CAD|-33.3%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$361 CAD
Retailer 2$772 CAD
Brilliant Earth$2,040 CAD

21 data points across 3 retailers

3 retailers$361 CAD to $2,040 CAD

A
Cheapest Retailer
-
$361 CAD
$258 USD
Final sale: no returns
A
Retailer 2
-
$772 CAD
£435 GBP
View
Most Expensive
B
Brilliant Earth
21814263A · Nov 2
$2,040 CAD
$1,460 USD
View
2 more retailers have this diamond
Prices start from $361 CADSave up to $1,680 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
1.70ct Marquise
$361 CAD