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Marquise|Lab Grown|IGI

3.80ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG812617949

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812617949

Diamond specifications and retailer prices

From HK$4,362 HKD
$556 USD
As of November 1, 2026
Save HK$23,483 HKD (84%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$27,845 HKD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.8ct lab-grown marquise diamond

This 3.8ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812617949 or 812617949. Listed at 5 retailers as of October 31, 2026, with prices from HK$4,362 to HK$27,845, a HK$23,483 spread on the same certified stone. Frank Darling lists it at HK$27,845. 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

3.80
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812617949
Dimensions16.09 × 8.44 × 5.07 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.09 mm8.44 mm3.80 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812617949
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.1%

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 1
Current: HK$27,845 HKD|Low: HK$4,362 HKD|High: HK$27,846 HKD|Avg: HK$12,906 HKD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 3HK$4,362 HKD
Retailer 2HK$6,057 HKD
Retailer 6HK$7,579 HKD
Retailer 5HK$15,825 HKD
Retailer 4HK$21,615 HKD
Frank DarlingHK$27,845 HKD

19 data points across 6 retailers

5 retailersHK$4,362 HKD to HK$27,845 HKD

A
Cheapest Retailer
-
HK$4,362 HKD
$556 USD
Final sale: no returns
B+
Retailer 2
-
HK$6,057 HKD
$772 USD
View
B+
Retailer 3
-
HK$15,825 HKD
$2,017 USD
View
Retailer 4
-
HK$21,615 HKD
$2,755 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Frank Darling
100747444284KD · Oct 31
HK$27,845 HKD
$3,549 USD
View
4 more retailers have this diamond
Prices start from HK$4,362 HKDSave up to HK$23,483 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
3.80ct Marquise
HK$4,362 HKD