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Marquise|Lab Grown|IGI

4.77ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG650487530

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG650487530

Diamond specifications and retailer prices

From $845 CAD
$605 USD
As of October 30, 2026
Save $3,828 CAD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,673 CAD at Adiamor · As of October 31, 2026
View at Adiamor

About this 4.77ct lab-grown marquise diamond

This 4.77ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG650487530 or 650487530. Listed at 13 retailers as of October 30, 2026, with prices from $845 to $4,673, a $3,828 spread on the same certified stone. Adiamor lists it at $4,673. 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

4.77
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650487530
Dimensions17.82 × 8.83 × 5.33 mm
L/W Ratio2.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.82 mm8.83 mm4.77 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650487530
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 60.4%

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: $4,673 CAD|Low: $845 CAD|High: $9,625 CAD|Avg: $3,030 CAD
Adiamor
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 31, 2026
Retailer 10$845 CAD
Retailer 6$947 CAD
Retailer 11$995 CAD
Retailer 13$1,049 CAD
Retailer 17$1,162 CAD
Retailer 14$1,229 CAD
Retailer 16$1,539 CAD
Retailer 4$1,608 CAD
Retailer 12$1,641 CAD
Retailer 7$2,122 CAD
Retailer 2$2,602 CAD
Retailer 3$2,757 CAD
Retailer 5$4,575 CAD
Retailer 15$4,577 CAD
Adiamor$4,673 CAD
Retailer 8$7,375 CAD
Retailer 9$9,625 CAD

4 data points across 17 retailers

13 retailers$845 CAD to $4,673 CAD

A
Cheapest Retailer
-
$845 CAD
$605 USD
A
Retailer 2
-
$947 CAD
$678 USD
View
A
Retailer 3
-
$995 CAD
£561 GBP
View
A
Retailer 4
-
$1,049 CAD
$751 USD
View
A
Retailer 5
-
$1,162 CAD
HK$6,500 HKD
View
A
Retailer 6
-
$1,229 CAD
$880 USD
View
A
Retailer 7
-
$1,539 CAD
$1,102 USD
View
B+
Retailer 8
-
$1,608 CAD
$1,151 USD
View
A
Retailer 9
-
$1,641 CAD
£925 GBP
View
B+
Retailer 10
-
$2,602 CAD
$1,863 USD
View
B
Retailer 11
-
$2,757 CAD
$1,974 USD
View
B
Retailer 12
-
$4,577 CAD
£2,580 GBP
View
Most Expensive
B
Adiamor
D-82834320 · Oct 31
$4,673 CAD
$3,345 USD
View
12 more retailers have this diamond
Prices start from $845 CADSave up to $3,828 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
4.77ct Marquise
$845 CAD