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 $504 USD
As of October 30, 2026
Save $3,166 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,670 USD 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 17 retailers as of October 30, 2026, with prices from $504 to $3,670, a $3,166 spread on the same certified stone. Brilliant Earth lists it at $3,670. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $3,670 USD|Low: $504 USD|High: $4,320 USD|Avg: $1,583 USD|-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
October 30, 2026
Retailer 2$504 USD
Retailer 14$563 USD
Retailer 15$624 USD
Retailer 11$715 USD
Retailer 16$765 USD
Retailer 6$971 USD
Retailer 12$1,040 USD
Retailer 13$1,319 USD
Retailer 8$1,338 USD
Retailer 3$1,356 USD
Retailer 5$1,643 USD
Retailer 17$1,977 USD
Retailer 9$2,033 USD
Retailer 10$2,162 USD
Retailer 4$2,181 USD
Retailer 7$2,810 USD
Brilliant Earth$3,670 USD

5 data points across 17 retailers

17 retailers$504 USD to $3,670 USD

A
Cheapest Retailer
-
$504 USD
A
Retailer 2
-
$563 USD
View
Final sale: no returns
A
Retailer 3
-
$624 USD
View
A
Retailer 4
-
$715 USD
£563 GBP
View
A
Retailer 5
-
$765 USD
View
A
Retailer 6
-
$971 USD
View
A
Retailer 7
-
$1,040 USD
£819 GBP
View
B+
Retailer 8
-
$1,319 USD
A$2,029 AUD
View
B+
Retailer 9
-
$1,338 USD
View
B+
Retailer 10
-
$1,356 USD
ZAR 21,901 ZAR
View
B+
Retailer 11
-
$1,643 USD
View
B+
Retailer 12
-
$1,977 USD
SGD 2,672 SGD
View
B+
Retailer 13
-
$2,033 USD
View
B
Retailer 14
-
$2,162 USD
View
B
Retailer 15
-
$2,181 USD
View
B
Retailer 16
-
$2,810 USD
View
Most Expensive
B
Brilliant Earth
22347787A · Oct 30
$3,670 USD
View
16 more retailers have this diamond
Prices start from $504 USDSave up to $3,166 USD

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
$504 USD