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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 HK$4,017 HKD
$512 USD
As of November 2, 2026
Save HK$16,779 HKD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$20,796 HKD 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 HK$4,017 to HK$20,796, a HK$16,779 spread on the same certified stone. MOH London lists it at HK$20,796. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$20,796 HKD|Low: HK$4,017 HKD|High: HK$40,188 HKD|Avg: HK$12,681 HKD|-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 12HK$4,017 HKD
Retailer 2HK$4,298 HKD
Retailer 5HK$4,504 HKD
Retailer 13HK$4,982 HKD
Retailer 16HK$5,524 HKD
Retailer 14HK$6,081 HKD
Retailer 15HK$7,587 HKD
Retailer 10HK$7,717 HKD
Retailer 4HK$7,736 HKD
Retailer 3HK$9,156 HKD
Retailer 7HK$10,562 HKD
Retailer 11HK$12,860 HKD
Retailer 17HK$13,103 HKD
Retailer 6HK$20,478 HKD
MOH LondonHK$20,796 HKD
Retailer 8HK$31,306 HKD
Retailer 9HK$40,188 HKD

6 data points across 17 retailers

14 retailersHK$4,017 HKD to HK$20,796 HKD

A
Cheapest Retailer
-
HK$4,017 HKD
$512 USD
A
Retailer 2
-
HK$4,298 HKD
£431 GBP
View
A
Retailer 3
-
HK$4,504 HKD
$574 USD
View
A
Retailer 4
-
HK$4,982 HKD
$635 USD
View
A
Retailer 5
-
HK$5,524 HKD
View
A
Retailer 6
-
HK$6,081 HKD
$775 USD
View
A
Retailer 7
-
HK$7,587 HKD
$967 USD
View
A
Retailer 8
-
HK$7,717 HKD
£774 GBP
View
B+
Retailer 9
-
HK$7,736 HKD
$986 USD
View
B+
Retailer 10
-
HK$9,156 HKD
$1,167 USD
View
B+
Retailer 11
-
HK$12,860 HKD
$1,639 USD
View
B
Retailer 12
-
HK$13,103 HKD
$1,670 USD
View
B
Retailer 13
-
HK$20,478 HKD
$2,610 USD
View
Most Expensive
B
MOH London
LG650475156 · Nov 1
HK$20,796 HKD
£2,087 GBP
View
13 more retailers have this diamond
Prices start from HK$4,017 HKDSave up to HK$16,779 HKD

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
HK$4,017 HKD