Marquise|Lab Grown|IGI

4.05ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG650475156

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG650475156

Diamond specifications and retailer prices

From $910 NZD
$512 USD
As of November 2, 2026
Save $3,801 NZD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,711 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG650475156 or 650475156. Listed at 14 retailers as of November 1, 2026, with prices from $910 to $4,711, a $3,801 spread on the same certified stone. MOH London lists it at $4,711. 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

4.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650475156
Dimensions16.73 × 8.25 × 5.23 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.73 mm8.25 mm4.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650475156
Side View
Table 59.0%Crown 36.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.4%

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: Nov 2
Current: $4,711 NZD|Low: $910 NZD|High: $9,103 NZD|Avg: $2,873 NZD|-0.6%
MOH London
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 12$910 NZD
Retailer 2$974 NZD
Retailer 5$1,020 NZD
Retailer 13$1,129 NZD
Retailer 16$1,251 NZD
Retailer 14$1,377 NZD
Retailer 15$1,719 NZD
Retailer 10$1,748 NZD
Retailer 4$1,752 NZD
Retailer 3$2,074 NZD
Retailer 7$2,392 NZD
Retailer 11$2,913 NZD
Retailer 17$2,968 NZD
Retailer 6$4,639 NZD
MOH London$4,711 NZD
Retailer 8$7,091 NZD
Retailer 9$9,103 NZD

6 data points across 17 retailers

14 retailers$910 NZD to $4,711 NZD

A
Cheapest Retailer
-
$910 NZD
$512 USD
A
Retailer 2
-
$974 NZD
£431 GBP
View
A
Retailer 3
-
$1,020 NZD
$574 USD
View
A
Retailer 4
-
$1,129 NZD
$635 USD
View
A
Retailer 5
-
$1,251 NZD
HK$5,500 HKD
View
A
Retailer 6
-
$1,377 NZD
$775 USD
View
A
Retailer 7
-
$1,719 NZD
$967 USD
View
A
Retailer 8
-
$1,748 NZD
£774 GBP
View
B+
Retailer 9
-
$1,752 NZD
$986 USD
View
B+
Retailer 10
-
$2,074 NZD
$1,167 USD
View
B+
Retailer 11
-
$2,913 NZD
$1,639 USD
View
B
Retailer 12
-
$2,968 NZD
$1,670 USD
View
B
Retailer 13
-
$4,639 NZD
$2,610 USD
View
Most Expensive
B
MOH London
LG650475156 · Nov 1
$4,711 NZD
£2,087 GBP
View
13 more retailers have this diamond
Prices start from $910 NZDSave up to $3,801 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
4.05ct Marquise
$910 NZD