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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 $741 USD
As of October 27, 2026
Save $4,209 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,950 USD 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 $741 to $4,950, a $4,209 spread on the same certified stone. Brilliant Earth lists it at $4,950. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $4,950 USD|Low: $741 USD|High: $4,950 USD|Avg: $1,829 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 30, 2026
Retailer 8$741 USD
Retailer 12$822 USD
Retailer 3$826 USD
Retailer 10$876 USD
Retailer 15$997 USD
Retailer 5$1,035 USD
Retailer 13$1,228 USD
Retailer 2$1,236 USD
Retailer 7$1,301 USD
Retailer 16$1,375 USD
Retailer 6$1,982 USD
Retailer 18$1,989 USD
Retailer 14$2,033 USD
Retailer 9$2,137 USD
Retailer 11$2,463 USD
Retailer 20$2,789 USD
Retailer 19$2,885 USD
Retailer 4$2,953 USD
Retailer 21$3,058 USD
Retailer 17$3,382 USD
Brilliant Earth$4,950 USD

10 data points across 21 retailers

21 retailers$741 USD to $4,950 USD

A
Cheapest Retailer
-
$741 USD
A
Retailer 2
-
$822 USD
View
A
Retailer 3
-
$826 USD
View
Final sale: no returns
A
Retailer 4
-
$876 USD
View
A
Retailer 5
-
$997 USD
£785 GBP
View
A
Retailer 6
-
$1,035 USD
View
A
Retailer 7
-
$1,228 USD
View
A
Retailer 8
-
$1,236 USD
View
A
Retailer 9
-
$1,301 USD
€1,239 EUR
View
A
Retailer 10
-
$1,375 USD
£1,083 GBP
View
B+
Retailer 11
-
$1,982 USD
View
B+
Retailer 12
-
$1,989 USD
ZAR 32,127 ZAR
View
Retailer 13
-
$2,033 USD
A$3,128 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$2,137 USD
View
B+
Retailer 15
-
$2,463 USD
View
B+
Retailer 16
-
$2,789 USD
View
B+
Retailer 17
-
$2,885 USD
SGD 3,898 SGD
View
B+
Retailer 18
-
$2,953 USD
View
B+
Retailer 19
-
$3,058 USD
View
B+
Retailer 20
-
$3,382 USD
£2,663 GBP
View
Most Expensive
B
Brilliant Earth
22300138A · Oct 30
$4,950 USD
View
20 more retailers have this diamond
Prices start from $741 USDSave up to $4,209 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
3.18ct Marquise
$741 USD