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Marquise|Lab Grown|IGI

0.51ct I SI2 Marquise Lab Grown Diamond

VG • I/SI2 • IGI LG442067279

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG442067279

Diamond specifications and retailer prices

From $341 CAD
$244 USD
As of October 30, 2026
Save $1,359 CAD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,700 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG442067279 or 442067279. Listed at 10 retailers as of October 29, 2026, with prices from $341 to $1,700, a $1,359 spread on the same certified stone. MOH London lists it at $1,700. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle33.6°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067279
Dimensions8.76 × 4.14 × 2.50 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.76 mm4.14 mm0.51 ctI / SI2
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442067279
Side View
Table 62.0%Crown 33.6°Girdle: THN-STKPavilion 42°Culet: NoneDepth 60.4%

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: $1,700 CAD|Low: $327 CAD|High: $1,712 CAD|Avg: $809 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
October 30, 2026
Retailer 6$341 CAD
Retailer 10$395 CAD
Retailer 7$422 CAD
Retailer 11$422 CAD
Retailer 2$447 CAD
Retailer 9$710 CAD
Retailer 4$801 CAD
Retailer 3$838 CAD
Retailer 8$1,356 CAD
Retailer 5$1,361 CAD
MOH London$1,700 CAD

22 data points across 11 retailers

10 retailers$341 CAD to $1,700 CAD

A
Cheapest Retailer
-
$341 CAD
$244 USD
B+
Retailer 2
-
$395 CAD
$283 USD
View
B+
Retailer 3
-
$422 CAD
$302 USD
View
B+
Retailer 4
-
$422 CAD
$302 USD
View
B+
Retailer 5
-
$447 CAD
$320 USD
View
B
Retailer 6
-
$710 CAD
$508 USD
View
B
Retailer 7
-
$801 CAD
€546 EUR
View
B
Retailer 8
-
$1,356 CAD
$971 USD
View
B
Retailer 9
-
$1,361 CAD
$974 USD
View
Most Expensive
B
MOH London
LG442067279 · Oct 29
$1,700 CAD
£958 GBP
View
9 more retailers have this diamond
Prices start from $341 CADSave up to $1,359 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
$341 CAD