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Marquise|Lab Grown|IGI

4.05ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG805675448

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG805675448

Diamond specifications and retailer prices

From HK$5,478 HKD
£550 GBP
As of November 2, 2026
Save HK$35,948 HKD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$41,425 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG805675448 or 805675448. Listed at 11 retailers as of October 31, 2026, with prices from HK$5,478 to HK$41,425, a HK$35,948 spread on the same certified stone. Brilliant Earth lists it at HK$41,425. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.05
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805675448
Dimensions16.63 × 8.24 × 5.22 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.63 mm8.24 mm4.05 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805675448
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.3%

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$41,425 HKD|Low: HK$5,476 HKD|High: HK$41,425 HKD|Avg: HK$14,018 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2HK$5,478 HKD
Retailer 7HK$6,041 HKD
Retailer 3HK$7,720 HKD
Retailer 8HK$8,254 HKD
Retailer 9HK$9,784 HKD
Retailer 6HK$9,892 HKD
Retailer 4HK$9,960 HKD
Retailer 10HK$12,828 HKD
Retailer 11HK$16,176 HKD
Retailer 5HK$20,865 HKD
Brilliant EarthHK$41,425 HKD

13 data points across 11 retailers

11 retailersHK$5,478 HKD to HK$41,425 HKD

A
Cheapest Retailer
-
HK$5,478 HKD
£550 GBP
A
Retailer 2
-
HK$6,041 HKD
$770 USD
View
B+
Retailer 3
-
HK$7,720 HKD
$984 USD
View
A
Retailer 4
-
HK$8,254 HKD
€1,002 EUR
View
A
Retailer 5
-
HK$9,784 HKD
$1,247 USD
View
A
Retailer 6
-
HK$9,892 HKD
ZAR 20,368 ZAR
View
A
Retailer 7
-
HK$9,960 HKD
A$1,953 AUD
View
A
Retailer 8
-
HK$12,828 HKD
$1,635 USD
View
B+
Retailer 9
-
HK$16,176 HKD
$2,062 USD
View
B+
Retailer 10
-
HK$20,865 HKD
£2,094 GBP
View
Most Expensive
B
Brilliant Earth
22163598A · Oct 31
HK$41,425 HKD
$5,280 USD
View
10 more retailers have this diamond
Prices start from HK$5,478 HKDSave up to HK$35,948 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$5,478 HKD