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Marquise|Lab Grown|IGI

3.09ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG818639599

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818639599

Diamond specifications and retailer prices

From HK$3,899 HKD
$497 USD
As of November 2, 2026
Save HK$16,278 HKD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$20,177 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 3.09ct lab-grown marquise diamond

This 3.09ct 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 LG818639599 or 818639599. Listed at 18 retailers as of November 1, 2026, with prices from HK$3,899 to HK$20,177, a HK$16,278 spread on the same certified stone. MOH London lists it at HK$20,177. 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

3.09
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818639599
Dimensions15.45 × 7.59 × 4.66 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.45 mm7.59 mm3.09 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818639599
Side View
Table 62.0%Crown 33.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.4%

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$20,177 HKD|Low: HK$3,742 HKD|High: HK$20,665 HKD|Avg: HK$9,662 HKD|-2.1%
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
Retailer 18
November 1, 2026
Retailer 6HK$3,899 HKD
Retailer 4HK$4,362 HKD
Retailer 8HK$4,362 HKD
Retailer 18HK$4,833 HKD
Retailer 10HK$4,880 HKD
Retailer 2HK$5,514 HKD
Retailer 17HK$5,924 HKD
Retailer 15HK$7,508 HKD
Retailer 13HK$7,744 HKD
Retailer 5HK$8,042 HKD
Retailer 12HK$10,210 HKD
Retailer 14HK$10,491 HKD
Retailer 11HK$11,384 HKD
Retailer 3HK$12,710 HKD
Retailer 7HK$15,327 HKD
Retailer 16HK$15,745 HKD
Retailer 9HK$16,554 HKD
MOH LondonHK$20,177 HKD

32 data points across 18 retailers

18 retailersHK$3,899 HKD to HK$20,177 HKD

A
Cheapest Retailer
-
HK$3,899 HKD
$497 USD
A
Retailer 2
-
HK$4,362 HKD
$556 USD
View
A
Retailer 3
-
HK$4,362 HKD
$556 USD
View
Final sale: no returns
A
Retailer 4
-
HK$4,833 HKD
$616 USD
View
Retailer 5
-
HK$4,880 HKD
$622 USD
View
Price last confirmed 16 days ago
A
Retailer 6
-
HK$5,514 HKD
£553 GBP
View
A
Retailer 7
-
HK$5,924 HKD
$755 USD
View
A
Retailer 8
-
HK$7,508 HKD
$957 USD
View
A
Retailer 9
-
HK$7,744 HKD
$987 USD
View
A
Retailer 10
-
HK$8,042 HKD
$1,025 USD
View
A
Retailer 11
-
HK$10,210 HKD
A$2,002 AUD
View
A
Retailer 12
-
HK$10,491 HKD
ZAR 21,602 ZAR
View
A
Retailer 13
-
HK$11,384 HKD
$1,451 USD
View
A
Retailer 14
-
HK$12,710 HKD
$1,620 USD
View
B+
Retailer 15
-
HK$15,327 HKD
SGD 2,640 SGD
View
B+
Retailer 16
-
HK$15,745 HKD
$2,007 USD
View
B+
Retailer 17
-
HK$16,554 HKD
$2,110 USD
View
Most Expensive
B+
MOH London
LG818639599 · Nov 1
HK$20,177 HKD
£2,025 GBP
View
17 more retailers have this diamond
Prices start from HK$3,899 HKDSave up to HK$16,278 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
3.09ct Marquise
HK$3,899 HKD