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Marquise|Lab Grown|IGI

3.09ct E VS1 Marquise Lab Grown Diamond

VG • E/VS1 • IGI LG831681236

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831681236

Diamond specifications and retailer prices

From $717 AUD
$504 USD
As of October 30, 2026
Save $4,507 AUD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,225 AUD at Brilliant Earth · As of October 30, 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 very-good cut grade and certified by IGI LG831681236 or 831681236. Listed at 19 retailers as of October 30, 2026, with prices from $717 to $5,225, a $4,507 spread on the same certified stone. Brilliant Earth lists it at $5,225. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.09
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831681236
Dimensions15.20 × 7.65 × 4.67 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
15.20 mm7.65 mm3.09 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831681236
Side View
Table 61.0%Crown 35.3°Girdle: MediumPavilion 39.6°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,225 AUD|Low: $717 AUD|High: $6,150 AUD|Avg: $2,194 AUD|-15.0%
Brilliant Earth
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
Retailer 19
October 31, 2026
Retailer 14$717 AUD
Retailer 18$801 AUD
Retailer 19$888 AUD
Retailer 16$1,017 AUD
Retailer 3$1,089 AUD
Retailer 13$1,295 AUD
Retailer 8$1,382 AUD
Retailer 2$1,480 AUD
Retailer 17$1,878 AUD
Retailer 10$1,905 AUD
Retailer 5$1,930 AUD
Retailer 12$2,295 AUD
Retailer 7$2,339 AUD
Retailer 4$2,815 AUD
Retailer 11$2,895 AUD
Retailer 15$3,078 AUD
Retailer 6$3,105 AUD
Retailer 9$4,000 AUD
Brilliant Earth$5,225 AUD

6 data points across 19 retailers

19 retailers$717 AUD to $5,225 AUD

A
Cheapest Retailer
-
$717 AUD
$504 USD
A
Retailer 2
-
$801 AUD
$563 USD
View
Final sale: no returns
A
Retailer 3
-
$888 AUD
$624 USD
View
A
Retailer 4
-
$1,017 AUD
£563 GBP
View
A
Retailer 5
-
$1,089 AUD
$765 USD
View
A
Retailer 6
-
$1,295 AUD
$910 USD
View
A
Retailer 7
-
$1,382 AUD
$971 USD
View
A
Retailer 8
-
$1,480 AUD
£819 GBP
View
B+
Retailer 9
-
$1,878 AUD
View
B+
Retailer 10
-
$1,905 AUD
$1,338 USD
View
B+
Retailer 11
-
$1,930 AUD
ZAR 21,901 ZAR
View
B+
Retailer 12
-
$2,295 AUD
$1,612 USD
View
B+
Retailer 13
-
$2,339 AUD
$1,643 USD
View
B+
Retailer 14
-
$2,815 AUD
SGD 2,672 SGD
View
B+
Retailer 15
-
$2,895 AUD
$2,033 USD
View
B
Retailer 16
-
$3,078 AUD
$2,162 USD
View
B
Retailer 17
-
$3,105 AUD
$2,181 USD
View
B
Retailer 18
-
$4,000 AUD
$2,810 USD
View
Most Expensive
B
Brilliant Earth
22347787A · Oct 30
$5,225 AUD
$3,670 USD
View
18 more retailers have this diamond
Prices start from $717 AUDSave up to $4,507 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
$717 AUD