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Marquise|Lab Grown|IGI

3.09ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG847685030

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847685030

Diamond specifications and retailer prices

From $830 AUD
$583 USD
As of October 27, 2026
Save $4,764 AUD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,594 AUD at Blue Nile · As of October 29, 2026
View at Blue Nile

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 LG847685030 or 847685030. Listed at 15 retailers as of October 27, 2026, with prices from $830 to $5,594, a $4,764 spread on the same certified stone. Blue Nile lists it at $5,594. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847685030
Dimensions15.68 × 7.55 × 4.63 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.68 mm7.55 mm3.09 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847685030
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 61.3%

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 27
Current: $5,594 AUD|Low: $830 AUD|High: $5,594 AUD|Avg: $2,575 AUD
Blue Nile
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 8$830 AUD
Retailer 3$929 AUD
Retailer 6$1,130 AUD
Retailer 13$1,217 AUD
Retailer 11$1,422 AUD
Retailer 10$1,584 AUD
Retailer 4$1,974 AUD
Retailer 12$2,555 AUD
Retailer 14$2,709 AUD
Retailer 7$3,253 AUD
Retailer 9$3,402 AUD
Retailer 2$4,007 AUD
Retailer 15$4,476 AUD
Retailer 5$5,224 AUD
Blue Nile$5,594 AUD

5 data points across 15 retailers

15 retailers$830 AUD to $5,594 AUD

A
Cheapest Retailer
-
$830 AUD
$583 USD
A
Retailer 2
-
$929 AUD
$653 USD
View
A
Retailer 3
-
$1,130 AUD
HK$6,200 HKD
View
A
Retailer 4
-
$1,217 AUD
$855 USD
View
A
Retailer 5
-
$1,422 AUD
$999 USD
View
A
Retailer 6
-
$1,584 AUD
$1,113 USD
View
B+
Retailer 7
-
$1,974 AUD
$1,387 USD
View
B+
Retailer 8
-
$2,555 AUD
$1,795 USD
View
B+
Retailer 9
-
$2,709 AUD
$1,903 USD
View
B+
Retailer 10
-
$3,253 AUD
SGD 3,088 SGD
View
B
Retailer 11
-
$3,402 AUD
$2,390 USD
View
B
Retailer 12
-
$4,007 AUD
$2,815 USD
View
B
Retailer 13
-
$4,476 AUD
£2,476 GBP
View
B
Retailer 14
-
$5,224 AUD
$3,670 USD
View
Most Expensive
B
Blue Nile
30475569 · Oct 29
$5,594 AUD
$3,930 USD
View
14 more retailers have this diamond
Prices start from $830 AUDSave up to $4,764 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
$830 AUD