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Marquise|Lab Grown|IGI

1.40ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG508156143

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG508156143

Diamond specifications and retailer prices

From HK$7,374 HKD
As of November 4, 2026
Save HK$9,516 HKD (56%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$20,962 HKD at Friendly Diamonds · As of November 4, 2026
View at Friendly Diamonds

About this 1.4ct lab-grown marquise diamond

This 1.4ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508156143 or 508156143. Listed at 15 retailers as of November 4, 2026, with a 129% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508156143
Dimensions11.08 × 6.12 × 3.54 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.08 mm6.12 mm1.40 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508156143
Side View
Table 66.0%Crown 33.4°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 57.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$13,831 HKD|Low: HK$7,374 HKD|High: HK$34,637 HKD|Avg: HK$16,968 HKD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 8HK$7,374 HKD
Retailer 9HK$9,171 HKD
Retailer 3HK$9,979 HKD
Retailer 10HK$10,638 HKD
Retailer 1HK$13,831 HKD
Retailer 5HK$15,275 HKD
Retailer 11HK$16,891 HKD
Retailer 6HK$19,574 HKD
Retailer 2HK$19,942 HKD
Retailer 7HK$27,717 HKD
Retailer 4HK$34,087 HKD

39 data points across 11 retailers

15 retailersHK$7,374 HKD to HK$16,891 HKD

B+
Cheapest Retailer
-
HK$7,374 HKD
B
Retailer 2
-
HK$9,171 HKD
View
B
Retailer 3
-
HK$9,979 HKD
View
B
Retailer 4
-
HK$10,638 HKD
View
Retailer 5
-
HK$10,638 HKD
View
Price last confirmed 20 days ago
B
Retailer 6
-
HK$12,003 HKD
View
B
Retailer 7
-
HK$13,831 HKD
View
B
Retailer 8
-
HK$15,275 HKD
View
B
Retailer 9
-
HK$16,891 HKD
View
Retailer 10
-
HK$19,574 HKD
View
Price under review
Retailer 11
-
HK$19,942 HKD
View
Price under review
Most Expensive
Friendly Diamonds
3121704 · Nov 4
HK$20,962 HKD
$2,672 USD
View
Price under review
11 more retailers have this diamond
Prices start from HK$7,374 HKDSave up to HK$9,516 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.

B+
1.40ct Marquise
HK$7,374 HKD