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Marquise|Lab Grown|IGI

3.09ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG843684714

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843684714

Diamond specifications and retailer prices

From HK$4,715 HKD
$601 USD
As of October 28, 2026
Save HK$24,077 HKD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$28,792 HKD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843684714 or 843684714. Listed at 16 retailers as of October 26, 2026, with prices from HK$4,715 to HK$28,792, a HK$24,077 spread on the same certified stone. Brilliant Earth lists it at HK$28,792. 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
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843684714
Dimensions15.25 × 7.65 × 4.60 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.25 mm7.65 mm3.09 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843684714
Side View
Table 56.0%Crown 30.6°Girdle: MED-STKPavilion 39.3°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: Oct 28
Current: HK$21,899 HKD|Low: HK$4,715 HKD|High: HK$21,899 HKD|Avg: HK$11,808 HKD
Retailer 1
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
October 29, 2026
Retailer 5HK$4,715 HKD
Retailer 11HK$5,724 HKD
Retailer 2HK$6,276 HKD
Retailer 7HK$6,998 HKD
Retailer 10HK$7,933 HKD
Retailer 9HK$8,076 HKD
Retailer 14HK$10,583 HKD
Retailer 12HK$11,101 HKD
Retailer 8HK$11,333 HKD
Retailer 13HK$13,462 HKD
Retailer 6HK$16,516 HKD
Retailer 3HK$16,796 HKD
Retailer 4HK$16,947 HKD
Retailer 15HK$17,785 HKD
Retailer 1HK$21,899 HKD

19 data points across 15 retailers

16 retailersHK$4,715 HKD to HK$28,792 HKD

A
Cheapest Retailer
-
HK$4,715 HKD
$601 USD
Final sale: no returns
A
Retailer 2
-
HK$5,724 HKD
View
A
Retailer 3
-
HK$6,276 HKD
$800 USD
View
B+
Retailer 4
-
HK$6,998 HKD
$892 USD
View
A
Retailer 5
-
HK$7,933 HKD
€963 EUR
View
A
Retailer 6
-
HK$8,076 HKD
£811 GBP
View
A
Retailer 7
-
HK$10,583 HKD
$1,349 USD
View
A
Retailer 8
-
HK$11,101 HKD
A$2,177 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
HK$11,333 HKD
ZAR 23,338 ZAR
View
B+
Retailer 10
-
HK$13,462 HKD
$1,716 USD
View
B+
Retailer 11
-
HK$16,516 HKD
SGD 2,845 SGD
View
B+
Retailer 12
-
HK$16,796 HKD
$2,141 USD
View
B+
Retailer 13
-
HK$16,947 HKD
$2,160 USD
View
B+
Retailer 14
-
HK$17,785 HKD
$2,267 USD
View
B
Retailer 15
-
HK$21,899 HKD
£2,198 GBP
View
Most Expensive
B
Brilliant Earth
21775701A · Oct 26
HK$28,792 HKD
$3,670 USD
View
15 more retailers have this diamond
Prices start from HK$4,715 HKDSave up to HK$24,077 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$4,715 HKD