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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 $861 AUD
$605 USD
As of November 2, 2026
Save $3,901 AUD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,762 AUD at Adiamor · As of November 2, 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 November 2, 2026, with prices from $861 to $4,762, a $3,901 spread on the same certified stone. Adiamor lists it at $4,762. 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
Colour
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: Nov 2
Current: $4,762 AUD|Low: $861 AUD|High: $9,809 AUD|Avg: $3,040 AUD
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
November 2, 2026
Retailer 13$861 AUD
Retailer 6$965 AUD
Retailer 2$1,011 AUD
Retailer 14$1,069 AUD
Retailer 17$1,184 AUD
Retailer 15$1,253 AUD
Retailer 16$1,569 AUD
Retailer 4$1,639 AUD
Retailer 10$1,659 AUD
Retailer 7$2,163 AUD
Retailer 12$2,652 AUD
Retailer 3$2,810 AUD
Retailer 11$4,639 AUD
Retailer 5$4,662 AUD
Adiamor$4,762 AUD
Retailer 8$7,516 AUD
Retailer 9$9,809 AUD

6 data points across 17 retailers

13 retailers$861 AUD to $4,762 AUD

A
Cheapest Retailer
-
$861 AUD
$605 USD
A
Retailer 2
-
$965 AUD
$678 USD
View
A
Retailer 3
-
$1,011 AUD
£559 GBP
View
A
Retailer 4
-
$1,069 AUD
$751 USD
View
A
Retailer 5
-
$1,184 AUD
HK$6,500 HKD
View
A
Retailer 6
-
$1,253 AUD
$880 USD
View
A
Retailer 7
-
$1,569 AUD
$1,102 USD
View
B+
Retailer 8
-
$1,639 AUD
$1,151 USD
View
A
Retailer 9
-
$1,659 AUD
£917 GBP
View
B+
Retailer 10
-
$2,652 AUD
$1,863 USD
View
B
Retailer 11
-
$2,810 AUD
$1,974 USD
View
B
Retailer 12
-
$4,639 AUD
£2,566 GBP
View
Most Expensive
B
Adiamor
D-82834320 · Nov 2
$4,762 AUD
$3,345 USD
View
12 more retailers have this diamond
Prices start from $861 AUDSave up to $3,901 AUD

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
$861 AUD