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Marquise|Lab Grown|IGI

3.09ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG839682444

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839682444

Diamond specifications and retailer prices

From $748 AUD
£414 GBP
As of October 29, 2026
Save $4,989 AUD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,737 AUD at Brilliant Earth · As of October 28, 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 LG839682444 or 839682444. Listed at 11 retailers as of October 28, 2026, with prices from $748 to $5,737, a $4,989 spread on the same certified stone. Brilliant Earth lists it at $5,737. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839682444
Dimensions14.76 × 7.57 × 4.70 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.76 mm7.57 mm3.09 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839682444
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 62.1%

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 29
Current: $5,737 AUD|Low: $743 AUD|High: $5,737 AUD|Avg: $1,841 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4$748 AUD
Retailer 10$868 AUD
Retailer 3$897 AUD
Retailer 7$1,142 AUD
Retailer 5$1,378 AUD
Retailer 8$1,397 AUD
Retailer 6$1,414 AUD
Retailer 9$1,910 AUD
Retailer 11$2,151 AUD
Retailer 2$2,560 AUD
Brilliant Earth$5,737 AUD

18 data points across 11 retailers

11 retailers$748 AUD to $5,737 AUD

A
Cheapest Retailer
-
$748 AUD
£414 GBP
A
Retailer 2
-
$868 AUD
$610 USD
View
B+
Retailer 3
-
$897 AUD
$630 USD
View
A
Retailer 4
-
$1,142 AUD
€764 EUR
View
A
Retailer 5
-
$1,378 AUD
View
A
Retailer 6
-
$1,397 AUD
$981 USD
View
A
Retailer 7
-
$1,414 AUD
ZAR 16,049 ZAR
View
A
Retailer 8
-
$1,910 AUD
$1,342 USD
View
A
Retailer 9
-
$2,151 AUD
$1,511 USD
View
A
Retailer 10
-
$2,560 AUD
£1,416 GBP
View
Most Expensive
B
Brilliant Earth
21832027A · Oct 28
$5,737 AUD
$4,030 USD
View
10 more retailers have this diamond
Prices start from $748 AUDSave up to $4,989 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
$748 AUD