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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 $605 USD
As of October 30, 2026
Save $2,740 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,345 USD 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 $605 to $3,345, a $2,740 spread on the same certified stone. Adiamor lists it at $3,345. 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

How it works →
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: $3,345 USD|Low: $605 USD|High: $6,890 USD|Avg: $2,169 USD
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 11$605 USD
Retailer 6$678 USD
Retailer 12$712 USD
Retailer 13$751 USD
Retailer 17$832 USD
Retailer 14$880 USD
Retailer 16$1,102 USD
Retailer 4$1,151 USD
Retailer 2$1,165 USD
Retailer 7$1,519 USD
Retailer 10$1,863 USD
Retailer 3$1,974 USD
Retailer 5$3,275 USD
Retailer 15$3,277 USD
Adiamor$3,345 USD
Retailer 8$5,280 USD
Retailer 9$6,890 USD

4 data points across 17 retailers

13 retailers$605 USD to $3,345 USD

A
Cheapest Retailer
-
$605 USD
A
Retailer 2
-
$678 USD
View
A
Retailer 3
-
$712 USD
£561 GBP
View
A
Retailer 4
-
$751 USD
View
A
Retailer 5
-
$832 USD
HK$6,500 HKD
View
A
Retailer 6
-
$880 USD
View
A
Retailer 7
-
$1,102 USD
View
B+
Retailer 8
-
$1,151 USD
View
A
Retailer 9
-
$1,165 USD
£917 GBP
View
B+
Retailer 10
-
$1,863 USD
View
B
Retailer 11
-
$1,974 USD
View
B
Retailer 12
-
$3,277 USD
£2,580 GBP
View
Most Expensive
B
Adiamor
D-82834320 · Oct 31
$3,345 USD
View
12 more retailers have this diamond
Prices start from $605 USDSave up to $2,740 USD

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
$605 USD