CaratHunter
Plans
Marquise|Lab Grown|IGI

0.51ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG436045412

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436045412

Diamond specifications and retailer prices

From $469 CAD
$336 USD
As of October 30, 2026
Save $1,876 CAD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,345 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown marquise diamond

This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG436045412 or 436045412. Listed at 14 retailers as of October 29, 2026, with prices from $469 to $2,345, a $1,876 spread on the same certified stone. MOH London lists it at $2,345. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045412
Dimensions7.86 × 4.35 × 2.61 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
undefined
Top View
7.86 mm4.35 mm0.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436045412
Side View
Table 62.5%Crown 32.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.0%

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 30
Current: $2,345 CAD|Low: $451 CAD|High: $2,361 CAD|Avg: $1,230 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
Retailer 17
October 29, 2026
Retailer 12$469 CAD
Retailer 13$517 CAD
Retailer 4$524 CAD
Retailer 17$545 CAD
Retailer 3$583 CAD
Retailer 14$583 CAD
Retailer 6$671 CAD
Retailer 16$940 CAD
Retailer 10$1,050 CAD
Retailer 2$1,053 CAD
Retailer 7$1,109 CAD
Retailer 11$1,707 CAD
Retailer 15$1,872 CAD
Retailer 5$2,127 CAD
Retailer 8$2,257 CAD
Retailer 9$2,338 CAD
MOH London$2,345 CAD

27 data points across 17 retailers

14 retailers$469 CAD to $2,345 CAD

A
Cheapest Retailer
-
$469 CAD
$336 USD
A
Retailer 2
-
$517 CAD
$370 USD
View
B+
Retailer 3
-
$524 CAD
$375 USD
View
Final sale: no returns
B+
Retailer 4
-
$545 CAD
$390 USD
View
B+
Retailer 5
-
$583 CAD
$417 USD
View
B+
Retailer 6
-
$583 CAD
$417 USD
View
B
Retailer 7
-
$940 CAD
$673 USD
View
B
Retailer 8
-
$1,050 CAD
€716 EUR
View
B
Retailer 9
-
$1,053 CAD
ZAR 12,177 ZAR
View
B
Retailer 10
-
$1,707 CAD
$1,222 USD
View
B
Retailer 11
-
$1,872 CAD
$1,340 USD
View
B
Retailer 12
-
$2,127 CAD
$1,523 USD
View
B
Retailer 13
-
$2,257 CAD
£1,272 GBP
View
Most Expensive
B
MOH London
LG436045412 · Oct 29
$2,345 CAD
£1,322 GBP
View
13 more retailers have this diamond
Prices start from $469 CADSave up to $1,876 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
0.51ct Marquise
$469 CAD