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Marquise|Lab Grown|IGI

3.18ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG847646058

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847646058

Diamond specifications and retailer prices

From $1,055 AUD
$741 USD
As of October 27, 2026
Save $5,992 AUD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,047 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.18ct lab-grown marquise diamond

This 3.18ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG847646058 or 847646058. Listed at 21 retailers as of October 27, 2026, with prices from $1,055 to $7,047, a $5,992 spread on the same certified stone. Brilliant Earth lists it at $7,047. 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

3.18
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847646058
Dimensions14.76 × 7.56 × 4.81 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.76 mm7.56 mm3.18 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847646058
Side View
Table 60.0%Crown 40.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.6%

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: $7,047 AUD|Low: $1,055 AUD|High: $7,047 AUD|Avg: $2,604 AUD
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
Retailer 20
Retailer 21
October 30, 2026
Retailer 8$1,055 AUD
Retailer 12$1,170 AUD
Retailer 3$1,176 AUD
Retailer 10$1,247 AUD
Retailer 15$1,419 AUD
Retailer 5$1,473 AUD
Retailer 13$1,748 AUD
Retailer 2$1,760 AUD
Retailer 7$1,852 AUD
Retailer 16$1,957 AUD
Retailer 6$2,822 AUD
Retailer 18$2,831 AUD
Retailer 14$2,894 AUD
Retailer 9$3,042 AUD
Retailer 11$3,506 AUD
Retailer 20$3,970 AUD
Retailer 19$4,106 AUD
Retailer 4$4,204 AUD
Retailer 21$4,353 AUD
Retailer 17$4,815 AUD
Brilliant Earth$7,047 AUD

10 data points across 21 retailers

21 retailers$1,055 AUD to $7,047 AUD

A
Cheapest Retailer
-
$1,055 AUD
$741 USD
A
Retailer 2
-
$1,170 AUD
$822 USD
View
A
Retailer 3
-
$1,176 AUD
$826 USD
View
Final sale: no returns
A
Retailer 4
-
$1,247 AUD
$876 USD
View
A
Retailer 5
-
$1,419 AUD
£785 GBP
View
A
Retailer 6
-
$1,473 AUD
$1,035 USD
View
A
Retailer 7
-
$1,748 AUD
$1,228 USD
View
A
Retailer 8
-
$1,760 AUD
$1,236 USD
View
A
Retailer 9
-
$1,852 AUD
€1,239 EUR
View
A
Retailer 10
-
$1,957 AUD
£1,083 GBP
View
B+
Retailer 11
-
$2,822 AUD
$1,982 USD
View
B+
Retailer 12
-
$2,831 AUD
ZAR 32,127 ZAR
View
Retailer 13
-
$2,894 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$3,042 AUD
$2,137 USD
View
B+
Retailer 15
-
$3,506 AUD
$2,463 USD
View
B+
Retailer 16
-
$3,970 AUD
$2,789 USD
View
B+
Retailer 17
-
$4,106 AUD
SGD 3,898 SGD
View
B+
Retailer 18
-
$4,204 AUD
$2,953 USD
View
B+
Retailer 19
-
$4,353 AUD
$3,058 USD
View
B+
Retailer 20
-
$4,815 AUD
£2,663 GBP
View
Most Expensive
B
Brilliant Earth
22300138A · Oct 30
$7,047 AUD
$4,950 USD
View
20 more retailers have this diamond
Prices start from $1,055 AUDSave up to $5,992 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
3.18ct Marquise
$1,055 AUD