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Marquise|Lab Grown|IGI

3.09ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG846648116

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846648116

Diamond specifications and retailer prices

From $861 AUD
$605 USD
As of November 1, 2026
Save $2,356 AUD (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,217 AUD at Brilliant Earth · As of October 31, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846648116 or 846648116. Listed at 8 retailers as of October 31, 2026, with prices from $861 to $3,217, a $2,356 spread on the same certified stone. Brilliant Earth lists it at $3,217. 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 angle36.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846648116
Dimensions14.51 × 7.65 × 4.90 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.51 mm7.65 mm3.09 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846648116
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 64.1%

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: $3,217 AUD|Low: $861 AUD|High: $3,217 AUD|Avg: $1,809 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6$861 AUD
Retailer 8$1,013 AUD
Retailer 3$1,415 AUD
Retailer 2$1,508 AUD
Retailer 7$2,126 AUD
Retailer 5$2,519 AUD
Retailer 4$2,990 AUD
Brilliant Earth$3,217 AUD

6 data points across 8 retailers

8 retailers$861 AUD to $3,217 AUD

B+
Cheapest Retailer
-
$861 AUD
$605 USD
Retailer 2
-
$1,013 AUD
€678 EUR
View
Price last confirmed 7 days ago
A
Retailer 3
-
$1,415 AUD
$994 USD
View
A
Retailer 4
-
$1,508 AUD
$1,059 USD
View
Retailer 5
-
$2,126 AUD
$1,493 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$2,519 AUD
£1,393 GBP
View
B+
Retailer 7
-
$2,990 AUD
$2,100 USD
View
Most Expensive
B+
Brilliant Earth
22303571A · Oct 31
$3,217 AUD
$2,260 USD
View
7 more retailers have this diamond
Prices start from $861 AUDSave up to $2,356 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
$861 AUD