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Marquise|Lab Grown|IGI

3.09ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG843684714

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843684714

Diamond specifications and retailer prices

From $601 USD
As of October 27, 2026
Save $3,069 USD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,670 USD at Brilliant Earth · As of October 26, 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 top-tier cut grade and certified by IGI LG843684714 or 843684714. Listed at 16 retailers as of October 26, 2026, with prices from $601 to $3,670, a $3,069 spread on the same certified stone. Brilliant Earth lists it at $3,670. 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
E
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843684714
Dimensions15.25 × 7.65 × 4.60 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
15.25 mm7.65 mm3.09 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843684714
Side View
Table 56.0%Crown 30.6°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 60.1%

Caratlytics Score

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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 27
Current: $1,029 USD|Low: $601 USD|High: $2,791 USD|Avg: $1,506 USD|-0.1%
Retailer 1
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
October 28, 2026
Retailer 5$601 USD
Retailer 11$730 USD
Retailer 2$800 USD
Retailer 7$892 USD
Retailer 8$1,011 USD
Retailer 1$1,029 USD
Retailer 14$1,349 USD
Retailer 12$1,415 USD
Retailer 10$1,431 USD
Retailer 13$1,716 USD
Retailer 6$2,105 USD
Retailer 3$2,141 USD
Retailer 4$2,160 USD
Retailer 15$2,267 USD
Retailer 9$2,780 USD

18 data points across 15 retailers

16 retailers$601 USD to $3,670 USD

A
Cheapest Retailer
-
$601 USD
Final sale: no returns
A
Retailer 2
-
$730 USD
HK$5,700 HKD
View
A
Retailer 3
-
$800 USD
View
Returns within 40 days
B+
Retailer 4
-
$892 USD
View
Returns within 30 days
A
Retailer 5
-
$1,011 USD
€963 EUR
View
Returns within 100 days
A
Retailer 6
-
$1,029 USD
£811 GBP
View
Returns within 30 days
A
Retailer 7
-
$1,349 USD
View
Returns within 30 days
A
Retailer 8
-
$1,415 USD
A$2,177 AUD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,431 USD
ZAR 23,120 ZAR
View
Returns within 7 days
B+
Retailer 10
-
$1,716 USD
View
Returns within 30 days
B+
Retailer 11
-
$2,105 USD
SGD 2,845 SGD
View
Returns within 14 days
B+
Retailer 12
-
$2,141 USD
View
Returns within 30 days
B+
Retailer 13
-
$2,160 USD
View
Returns within 90 days
B+
Retailer 14
-
$2,267 USD
View
Returns within 30 days
B
Retailer 15
-
$2,780 USD
£2,189 GBP
View
Most Expensive
B
Brilliant Earth
21775701A · Oct 26
$3,670 USD
View
Returns within 30 days
15 more retailers have this diamond
Prices start from $601 USDSave up to $3,069 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
$601 USD