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Marquise|Lab Grown|IGI

0.42ct D IF Marquise Lab Grown Diamond

VG • D/IF • IGI LG816662496

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816662496

Diamond specifications and retailer prices

From $288 CAD
$206 USD
As of November 1, 2026
Save $1,598 CAD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,886 CAD at Kay Jewelers · As of November 1, 2026
View at Kay Jewelers

About this 0.42ct lab-grown marquise diamond

This 0.42ct lab-grown marquise sits in the sub-half-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG816662496 or 816662496. Listed at 19 retailers as of November 1, 2026, with prices from $288 to $1,886, a $1,598 spread on the same certified stone. Kay Jewelers lists it at $1,886. 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

0.42
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816662496
Dimensions7.83 × 3.90 × 2.40 mm
L/W Ratio2.01
Girdle conditionFaceted
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
7.83 mm3.90 mm0.42 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816662496
Side View
Table 57.0%Crown 30.7°Girdle: MED-THKPavilion 39.7°Culet: NoneDepth 61.5%

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: Nov 1
Current: $1,886 CAD|Low: $233 CAD|High: $1,970 CAD|Avg: $871 CAD|+23.9%
Kay Jewelers
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
November 1, 2026
Retailer 7$233 CAD
Retailer 6$288 CAD
Retailer 14$321 CAD
Retailer 9$408 CAD
Retailer 11$447 CAD
Retailer 8$524 CAD
Retailer 2$576 CAD
Retailer 4$671 CAD
Retailer 3$679 CAD
Retailer 16$825 CAD
Retailer 15$909 CAD
Retailer 5$922 CAD
Retailer 12$1,020 CAD
Retailer 17$1,261 CAD
Retailer 10$1,483 CAD
Kay Jewelers$1,886 CAD
Retailer 13$1,886 CAD

25 data points across 17 retailers

19 retailers$288 CAD to $1,886 CAD

Retailer 1
-
$233 CAD
$167 USD
Price last confirmed 13 days ago
Retailer 2
-
$288 CAD
$206 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$288 CAD
$206 USD
View
A
Retailer 4
-
$321 CAD
$230 USD
View
A
Retailer 5
-
$408 CAD
$292 USD
View
A
Retailer 6
-
$447 CAD
$320 USD
View
B+
Retailer 7
-
$524 CAD
$375 USD
View
B+
Retailer 8
-
$576 CAD
ZAR 6,663 ZAR
View
B+
Retailer 9
-
$671 CAD
$480 USD
View
Retailer 10
-
$679 CAD
€463 EUR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$825 CAD
A$909 AUD
View
B
Retailer 12
-
$909 CAD
A$1,001 AUD
View
B
Retailer 13
-
$922 CAD
View
B
Retailer 14
-
$1,020 CAD
$730 USD
View
Retailer 15
-
$1,023 CAD
$732 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
$1,261 CAD
$903 USD
View
B
Retailer 17
-
$1,483 CAD
£836 GBP
View
B
Retailer 18
-
$1,886 CAD
$1,350 USD
View
Most Expensive
B
Kay Jewelers
260063435 · Nov 1
$1,886 CAD
$1,350 USD
View
18 more retailers have this diamond
Prices start from $288 CADSave up to $1,598 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
0.42ct Marquise
$288 CAD