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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 €539 EUR
$605 USD
As of November 2, 2026
Save €2,443 EUR (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,982 EUR 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 €539 to €2,982, a €2,443 spread on the same certified stone. Adiamor lists it at €2,982. 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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Price History

Last verified: Nov 2
Current: €2,982 EUR|Low: €539 EUR|High: €6,143 EUR|Avg: €1,904 EUR
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€539 EUR
Retailer 6€604 EUR
Retailer 2€633 EUR
Retailer 14€670 EUR
Retailer 17€742 EUR
Retailer 15€785 EUR
Retailer 16€983 EUR
Retailer 4€1,026 EUR
Retailer 10€1,039 EUR
Retailer 7€1,355 EUR
Retailer 12€1,661 EUR
Retailer 3€1,760 EUR
Retailer 11€2,905 EUR
Retailer 5€2,920 EUR
Adiamor€2,982 EUR
Retailer 8€4,707 EUR
Retailer 9€6,143 EUR

6 data points across 17 retailers

13 retailers€539 EUR to €2,982 EUR

A
Cheapest Retailer
-
€539 EUR
$605 USD
A
Retailer 2
-
€604 EUR
$678 USD
View
A
Retailer 3
-
€633 EUR
£559 GBP
View
A
Retailer 4
-
€670 EUR
$751 USD
View
A
Retailer 5
-
€742 EUR
HK$6,500 HKD
View
A
Retailer 6
-
€785 EUR
$880 USD
View
A
Retailer 7
-
€983 EUR
$1,102 USD
View
B+
Retailer 8
-
€1,026 EUR
$1,151 USD
View
A
Retailer 9
-
€1,039 EUR
£917 GBP
View
B+
Retailer 10
-
€1,661 EUR
$1,863 USD
View
B
Retailer 11
-
€1,760 EUR
$1,974 USD
View
B
Retailer 12
-
€2,905 EUR
£2,566 GBP
View
Most Expensive
B
Adiamor
D-82834320 · Nov 2
€2,982 EUR
$3,345 USD
View
12 more retailers have this diamond
Prices start from €539 EURSave up to €2,443 EUR

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
€539 EUR