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Marquise|Lab Grown|IGI

1.51ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG567351529

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG567351529

Diamond specifications and retailer prices

From $370 CAD
$265 USD
As of October 30, 2026
Save $1,480 CAD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,850 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG567351529 or 567351529. Listed at 18 retailers as of October 29, 2026, with prices from $370 to $1,850, a $1,480 spread on the same certified stone. MOH London lists it at $1,850. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567351529
Dimensions11.69 × 6.00 × 3.81 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.69 mm6.00 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567351529
Side View
Table 58.0%Crown 36.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 63.5%

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 30
Current: $1,850 CAD|Low: $370 CAD|High: $2,556 CAD|Avg: $1,052 CAD|-26.8%
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
Retailer 17
Retailer 18
November 1, 2026
Retailer 15$370 CAD
Retailer 13$430 CAD
Retailer 3$434 CAD
Retailer 14$460 CAD
Retailer 5$536 CAD
Retailer 4$650 CAD
Retailer 11$684 CAD
Retailer 7$719 CAD
Retailer 12$764 CAD
Retailer 18$826 CAD
Retailer 2$880 CAD
Retailer 8$1,021 CAD
Retailer 17$1,411 CAD
Retailer 16$1,477 CAD
Retailer 9$1,552 CAD
Retailer 10$1,592 CAD
Retailer 6$1,830 CAD
MOH London$1,850 CAD

42 data points across 18 retailers

18 retailers$370 CAD to $1,850 CAD

A
Cheapest Retailer
-
$370 CAD
$265 USD
A
Retailer 2
-
$430 CAD
$308 USD
View
A
Retailer 3
-
$434 CAD
$311 USD
View
Final sale: no returns
A
Retailer 4
-
$460 CAD
$329 USD
View
A
Retailer 5
-
$536 CAD
HK$3,000 HKD
View
A
Retailer 6
-
$650 CAD
$465 USD
View
A
Retailer 7
-
$684 CAD
$490 USD
View
A
Retailer 8
-
$719 CAD
$515 USD
View
A
Retailer 9
-
$764 CAD
€521 EUR
View
B+
Retailer 10
-
$826 CAD
$591 USD
View
Retailer 11
-
$858 CAD
£484 GBP
View
Price last confirmed 16 days ago
B+
Retailer 12
-
$880 CAD
£496 GBP
View
Retailer 13
-
$1,021 CAD
$731 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$1,411 CAD
$1,010 USD
View
B
Retailer 15
-
$1,477 CAD
$1,057 USD
View
B
Retailer 16
-
$1,552 CAD
SGD 1,501 SGD
View
B
Retailer 17
-
$1,830 CAD
$1,310 USD
View
Most Expensive
B
MOH London
LG567351529 · Oct 29
$1,850 CAD
£1,043 GBP
View
17 more retailers have this diamond
Prices start from $370 CADSave up to $1,480 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
1.51ct Marquise
$370 CAD