Marquise|Lab Grown|IGI

3.16ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG843655426

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843655426

Diamond specifications and retailer prices

From $1,730 AUD
$1,215 USD
As of October 30, 2026
Save $5,403 AUD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,132 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.16ct lab-grown marquise diamond

This 3.16ct 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 LG843655426 or 843655426. Listed at 10 retailers as of October 30, 2026, with prices from $1,730 to $7,132, a $5,403 spread on the same certified stone. Brilliant Earth lists it at $7,132. 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

3.16
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843655426
Dimensions14.76 × 7.55 × 4.83 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 mm7.55 mm3.16 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843655426
Side View
Table 60.0%Crown 38.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.0%

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 30
Current: $7,132 AUD|Low: $1,730 AUD|High: $9,268 AUD|Avg: $3,607 AUD|-23.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,730 AUD
Retailer 7$1,752 AUD
Retailer 10$1,834 AUD
Retailer 3$1,938 AUD
Retailer 9$2,789 AUD
Retailer 5$4,164 AUD
Retailer 8$4,326 AUD
Retailer 6$4,786 AUD
Retailer 4$4,893 AUD
Brilliant Earth$7,132 AUD

20 data points across 10 retailers

10 retailers$1,730 AUD to $7,132 AUD

A
Cheapest Retailer
-
$1,730 AUD
$1,215 USD
A
Retailer 2
-
$1,752 AUD
$1,231 USD
View
A
Retailer 3
-
$1,834 AUD
€1,227 EUR
View
A
Retailer 4
-
$1,938 AUD
£1,072 GBP
View
B+
Retailer 5
-
$2,789 AUD
$1,959 USD
View
B+
Retailer 6
-
$4,164 AUD
$2,925 USD
View
B+
Retailer 7
-
$4,326 AUD
$3,039 USD
View
B+
Retailer 8
-
$4,786 AUD
£2,647 GBP
View
B+
Retailer 9
-
$4,893 AUD
SGD 4,645 SGD
View
Most Expensive
B
Brilliant Earth
22168633A · Oct 30
$7,132 AUD
$5,010 USD
View
9 more retailers have this diamond
Prices start from $1,730 AUDSave up to $5,403 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
3.16ct Marquise
$1,730 AUD