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Marquise|Lab Grown|IGI

1.70ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG707556634

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG707556634

Diamond specifications and retailer prices

From $682 CAD
€465 EUR
As of October 29, 2026
Save $956 CAD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,638 CAD at MOH London · As of November 1, 2026
View at MOH London

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 LG707556634 or 707556634. Listed at 7 retailers as of October 29, 2026, with prices from $682 to $1,638, a $956 spread on the same certified stone. MOH London lists it at $1,638. 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 angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707556634
Dimensions12.06 × 6.25 × 3.88 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.06 mm6.25 mm1.70 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707556634
Side View
Table 61.0%Crown 35.4°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,638 CAD|Low: $651 CAD|High: $1,656 CAD|Avg: $961 CAD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$682 CAD
Retailer 7$692 CAD
Retailer 2$766 CAD
Retailer 4$824 CAD
Retailer 6$876 CAD
Retailer 5$1,387 CAD
MOH London$1,638 CAD

42 data points across 7 retailers

7 retailers$682 CAD to $1,638 CAD

A
Cheapest Retailer
-
$682 CAD
€465 EUR
B+
Retailer 2
-
$692 CAD
$495 USD
View
A
Retailer 3
-
$766 CAD
£432 GBP
View
A
Retailer 4
-
$824 CAD
$590 USD
View
A
Retailer 5
-
$876 CAD
$627 USD
View
B+
Retailer 6
-
$1,387 CAD
$992 USD
View
Most Expensive
B
MOH London
LG707556634 · Nov 1
$1,638 CAD
£923 GBP
View
6 more retailers have this diamond
Prices start from $682 CADSave up to $956 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
$682 CAD