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Marquise|Lab Grown|IGI

1.00ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG436046305

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436046305

Diamond specifications and retailer prices

From $810 CAD
$580 USD
As of October 31, 2026
Save $5,498 CAD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,309 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436046305 or 436046305. Listed at 13 retailers as of October 29, 2026, with prices from $810 to $6,309, a $5,498 spread on the same certified stone. MOH London lists it at $6,309. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046305
Dimensions9.65 × 5.32 × 3.29 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.65 mm5.32 mm1.00 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436046305
Side View
Table 59.5%Crown 32.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 61.8%

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 31
Current: $6,309 CAD|Low: $810 CAD|High: $6,351 CAD|Avg: $2,987 CAD|+0.5%
MOH London
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
Retailer 16
October 30, 2026
Retailer 2$810 CAD
Retailer 7$1,255 CAD
Retailer 10$1,683 CAD
Retailer 14$1,831 CAD
Retailer 16$1,886 CAD
Retailer 11$1,953 CAD
Retailer 15$1,953 CAD
Retailer 5$2,193 CAD
Retailer 6$2,734 CAD
Retailer 12$3,097 CAD
Retailer 9$3,590 CAD
Retailer 13$3,661 CAD
Retailer 4$3,741 CAD
Retailer 3$4,726 CAD
Retailer 8$5,592 CAD
MOH London$6,309 CAD

23 data points across 16 retailers

13 retailers$810 CAD to $6,309 CAD

A
Cheapest Retailer
-
$810 CAD
$580 USD
B
Retailer 2
-
$1,683 CAD
$1,205 USD
View
B
Retailer 3
-
$1,831 CAD
$1,311 USD
View
B
Retailer 4
-
$1,886 CAD
$1,350 USD
View
Final sale: no returns
B
Retailer 5
-
$1,953 CAD
$1,398 USD
View
Retailer 6
-
$1,953 CAD
$1,398 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
$2,193 CAD
$1,570 USD
View
B
Retailer 8
-
$3,097 CAD
$2,217 USD
View
B
Retailer 9
-
$3,590 CAD
ZAR 41,520 ZAR
View
B
Retailer 10
-
$3,661 CAD
$2,621 USD
View
B
Retailer 11
-
$3,741 CAD
$2,678 USD
View
B
Retailer 12
-
$4,726 CAD
£2,664 GBP
View
Most Expensive
B
MOH London
LG436046305 · Oct 29
$6,309 CAD
£3,556 GBP
View
12 more retailers have this diamond
Prices start from $810 CADSave up to $5,498 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
1.00ct Marquise
$810 CAD