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Marquise|Lab Grown|IGI

0.78ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG650412894

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG650412894

Diamond specifications and retailer prices

From $137 CAD
$98 USD
As of October 30, 2026
Save $471 CAD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $608 CAD at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 0.78ct lab-grown marquise diamond

This 0.78ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG650412894 or 650412894. Listed at 11 retailers as of October 30, 2026, with prices from $137 to $608, a $471 spread on the same certified stone. Friendly Diamonds lists it at $608. 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

0.78
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650412894
Dimensions9.45 × 4.79 × 3.01 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.45 mm4.79 mm0.78 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650412894
Side View
Table 59.0%Crown 33.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

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 30
Current: $608 CAD|Low: $137 CAD|High: $908 CAD|Avg: $424 CAD
Friendly Diamonds
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
October 31, 2026
Retailer 8$137 CAD
Retailer 12$159 CAD
Retailer 9$180 CAD
Retailer 14$197 CAD
Retailer 13$272 CAD
Retailer 4$320 CAD
Retailer 2$324 CAD
Retailer 3$346 CAD
Retailer 15$370 CAD
Retailer 10$508 CAD
Retailer 11$546 CAD
Retailer 6$583 CAD
Friendly Diamonds$608 CAD
Retailer 5$837 CAD
Retailer 7$908 CAD

4 data points across 15 retailers

11 retailers$137 CAD to $608 CAD

A
Cheapest Retailer
-
$137 CAD
$98 USD
A
Retailer 2
-
$159 CAD
$114 USD
View
A
Retailer 3
-
$180 CAD
$129 USD
View
A
Retailer 4
-
$197 CAD
HK$1,100 HKD
View
A
Retailer 5
-
$272 CAD
$195 USD
View
A
Retailer 6
-
$324 CAD
£182 GBP
View
A
Retailer 7
-
$346 CAD
$248 USD
View
B+
Retailer 8
-
$370 CAD
£208 GBP
View
B+
Retailer 9
-
$508 CAD
$364 USD
View
B
Retailer 10
-
$546 CAD
$391 USD
View
Most Expensive
B
Friendly Diamonds
6558675 · Oct 31
$608 CAD
$435 USD
View
10 more retailers have this diamond
Prices start from $137 CADSave up to $471 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
0.78ct Marquise
$137 CAD