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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 $1,075 NZD
$605 USD
As of November 2, 2026
Save $4,870 NZD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,945 NZD 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 $1,075 to $5,945, a $4,870 spread on the same certified stone. Adiamor lists it at $5,945. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,945 NZD|Low: $1,075 NZD|High: $12,246 NZD|Avg: $3,795 NZD
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$1,075 NZD
Retailer 6$1,205 NZD
Retailer 2$1,262 NZD
Retailer 14$1,335 NZD
Retailer 17$1,479 NZD
Retailer 15$1,564 NZD
Retailer 16$1,959 NZD
Retailer 4$2,046 NZD
Retailer 10$2,071 NZD
Retailer 7$2,700 NZD
Retailer 12$3,311 NZD
Retailer 3$3,508 NZD
Retailer 11$5,792 NZD
Retailer 5$5,821 NZD
Adiamor$5,945 NZD
Retailer 8$9,383 NZD
Retailer 9$12,246 NZD

6 data points across 17 retailers

13 retailers$1,075 NZD to $5,945 NZD

A
Cheapest Retailer
-
$1,075 NZD
$605 USD
A
Retailer 2
-
$1,205 NZD
$678 USD
View
A
Retailer 3
-
$1,262 NZD
£559 GBP
View
A
Retailer 4
-
$1,335 NZD
$751 USD
View
A
Retailer 5
-
$1,479 NZD
HK$6,500 HKD
View
A
Retailer 6
-
$1,564 NZD
$880 USD
View
A
Retailer 7
-
$1,959 NZD
$1,102 USD
View
B+
Retailer 8
-
$2,046 NZD
$1,151 USD
View
A
Retailer 9
-
$2,071 NZD
£917 GBP
View
B+
Retailer 10
-
$3,311 NZD
$1,863 USD
View
B
Retailer 11
-
$3,508 NZD
$1,974 USD
View
B
Retailer 12
-
$5,792 NZD
£2,566 GBP
View
Most Expensive
B
Adiamor
D-82834320 · Nov 2
$5,945 NZD
$3,345 USD
View
12 more retailers have this diamond
Prices start from $1,075 NZDSave up to $4,870 NZD

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
$1,075 NZD