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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 $773 SGD
$605 USD
As of October 30, 2026
Save $3,503 SGD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,276 SGD 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 October 30, 2026, with prices from $773 to $4,276, a $3,503 spread on the same certified stone. Adiamor lists it at $4,276. 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: Oct 30
Current: $4,276 SGD|Low: $773 SGD|High: $8,808 SGD|Avg: $2,730 SGD
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$773 SGD
Retailer 6$867 SGD
Retailer 11$908 SGD
Retailer 14$960 SGD
Retailer 17$1,064 SGD
Retailer 15$1,125 SGD
Retailer 16$1,409 SGD
Retailer 4$1,471 SGD
Retailer 2$1,490 SGD
Retailer 7$1,942 SGD
Retailer 12$2,382 SGD
Retailer 3$2,524 SGD
Retailer 10$4,166 SGD
Retailer 5$4,187 SGD
Adiamor$4,276 SGD
Retailer 8$6,749 SGD
Retailer 9$8,808 SGD

6 data points across 17 retailers

13 retailers$773 SGD to $4,276 SGD

A
Cheapest Retailer
-
$773 SGD
$605 USD
A
Retailer 2
-
$867 SGD
$678 USD
View
A
Retailer 3
-
$908 SGD
£559 GBP
View
A
Retailer 4
-
$960 SGD
$751 USD
View
A
Retailer 5
-
$1,064 SGD
HK$6,500 HKD
View
A
Retailer 6
-
$1,125 SGD
$880 USD
View
A
Retailer 7
-
$1,409 SGD
$1,102 USD
View
B+
Retailer 8
-
$1,471 SGD
$1,151 USD
View
A
Retailer 9
-
$1,490 SGD
£917 GBP
View
B+
Retailer 10
-
$2,382 SGD
$1,863 USD
View
B
Retailer 11
-
$2,524 SGD
$1,974 USD
View
B
Retailer 12
-
$4,166 SGD
£2,566 GBP
View
Most Expensive
B
Adiamor
D-82834320 · Nov 2
$4,276 SGD
$3,345 USD
View
12 more retailers have this diamond
Prices start from $773 SGDSave up to $3,503 SGD

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
$773 SGD