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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 $855 AUD
$601 USD
As of October 29, 2026
Save $4,368 AUD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,224 AUD 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 $855 to $5,224, a $4,368 spread on the same certified stone. Brilliant Earth lists it at $5,224. 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
Colour
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

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: $1,470 AUD|Low: $855 AUD|High: $3,973 AUD|Avg: $2,142 AUD|+0.2%
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 29, 2026
Retailer 5$855 AUD
Retailer 11$1,039 AUD
Retailer 2$1,139 AUD
Retailer 7$1,270 AUD
Retailer 10$1,439 AUD
Retailer 1$1,470 AUD
Retailer 14$1,920 AUD
Retailer 12$2,014 AUD
Retailer 9$2,056 AUD
Retailer 13$2,443 AUD
Retailer 6$2,997 AUD
Retailer 3$3,047 AUD
Retailer 4$3,075 AUD
Retailer 15$3,227 AUD
Retailer 8$3,973 AUD

19 data points across 15 retailers

16 retailers$855 AUD to $5,224 AUD

A
Cheapest Retailer
-
$855 AUD
$601 USD
Final sale: no returns
A
Retailer 2
-
$1,039 AUD
HK$5,700 HKD
View
A
Retailer 3
-
$1,139 AUD
$800 USD
View
B+
Retailer 4
-
$1,270 AUD
$892 USD
View
A
Retailer 5
-
$1,439 AUD
€963 EUR
View
A
Retailer 6
-
$1,470 AUD
£813 GBP
View
A
Retailer 7
-
$1,920 AUD
$1,349 USD
View
Retailer 8
-
$2,014 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$2,056 AUD
ZAR 23,338 ZAR
View
B+
Retailer 10
-
$2,443 AUD
$1,716 USD
View
B+
Retailer 11
-
$2,997 AUD
SGD 2,845 SGD
View
B+
Retailer 12
-
$3,047 AUD
$2,141 USD
View
B+
Retailer 13
-
$3,075 AUD
$2,160 USD
View
B+
Retailer 14
-
$3,227 AUD
$2,267 USD
View
B
Retailer 15
-
$3,973 AUD
£2,198 GBP
View
Most Expensive
B
Brilliant Earth
21775701A · Oct 26
$5,224 AUD
$3,670 USD
View
15 more retailers have this diamond
Prices start from $855 AUDSave up to $4,368 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
$855 AUD