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Marquise|Lab Grown|IGI

3.09ct I VS1 Marquise Lab Grown Diamond

EX • I/VS1 • IGI LG846648114

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846648114

Diamond specifications and retailer prices

From $960 AUD
$674 USD
As of October 27, 2026
Save $3,738 AUD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,697 AUD at MOH London · As of October 26, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846648114 or 846648114. Listed at 12 retailers as of October 26, 2026, with prices from $960 to $4,697, a $3,738 spread on the same certified stone. MOH London lists it at $4,697. 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
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846648114
Dimensions14.72 × 7.51 × 4.83 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.72 mm7.51 mm3.09 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846648114
Side View
Table 62.0%Crown 37.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.3%

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: Oct 27
Current: $4,697 AUD|Low: $960 AUD|High: $4,897 AUD|Avg: $2,358 AUD|+19.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 9$960 AUD
Retailer 10$1,075 AUD
Retailer 8$1,367 AUD
Retailer 4$1,402 AUD
Retailer 11$1,587 AUD
Retailer 3$1,656 AUD
Retailer 5$1,781 AUD
Retailer 2$2,429 AUD
Retailer 7$3,011 AUD
Retailer 6$3,189 AUD
Retailer 12$3,841 AUD
MOH London$4,697 AUD

7 data points across 12 retailers

12 retailers$960 AUD to $4,697 AUD

A
Cheapest Retailer
-
$960 AUD
$674 USD
A
Retailer 2
-
$1,075 AUD
$755 USD
View
Final sale: no returns
A
Retailer 3
-
$1,367 AUD
$960 USD
View
Retailer 4
-
$1,402 AUD
€938 EUR
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$1,587 AUD
$1,115 USD
View
A
Retailer 6
-
$1,656 AUD
$1,163 USD
View
A
Retailer 7
-
$1,781 AUD
$1,251 USD
View
B+
Retailer 8
-
$2,429 AUD
$1,706 USD
View
B+
Retailer 9
-
$3,011 AUD
$2,115 USD
View
B+
Retailer 10
-
$3,189 AUD
$2,240 USD
View
B
Retailer 11
-
$3,841 AUD
$2,698 USD
View
Most Expensive
B
MOH London
LG846648114 · Oct 26
$4,697 AUD
£2,598 GBP
View
11 more retailers have this diamond
Prices start from $960 AUDSave up to $3,738 AUD

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
$960 AUD