Marquise|Lab Grown|IGI

3.15ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG846632617

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846632617

Diamond specifications and retailer prices

From $2,340 AUD
$1,644 USD
As of October 27, 2026
Save $9,248 AUD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,588 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.15ct lab-grown marquise diamond

This 3.15ct 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 LG846632617 or 846632617. Listed at 21 retailers as of October 27, 2026, with prices from $2,340 to $11,588, a $9,248 spread on the same certified stone. Brilliant Earth lists it at $11,588. 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

3.15
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846632617
Dimensions15.10 × 7.71 × 4.71 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.10 mm7.71 mm3.15 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846632617
Side View
Table 61.0%Crown 36.3°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 61.1%

Caratlytics Score

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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: $11,588 AUD|Low: $2,340 AUD|High: $11,588 AUD|Avg: $5,153 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 29, 2026
Retailer 8$2,340 AUD
Retailer 4$2,547 AUD
Retailer 9$2,621 AUD
Retailer 18$2,716 AUD
Retailer 17$2,954 AUD
Retailer 7$3,111 AUD
Retailer 15$3,169 AUD
Retailer 3$3,206 AUD
Retailer 2$3,837 AUD
Retailer 16$3,884 AUD
Retailer 20$4,280 AUD
Retailer 12$4,682 AUD
Retailer 19$5,089 AUD
Retailer 6$5,619 AUD
Retailer 21$6,281 AUD
Retailer 5$6,709 AUD
Retailer 10$6,986 AUD
Retailer 13$7,798 AUD
Retailer 11$8,261 AUD
Retailer 14$9,533 AUD
Brilliant Earth$11,588 AUD

8 data points across 21 retailers

21 retailers$2,340 AUD to $11,588 AUD

A
Cheapest Retailer
-
$2,340 AUD
$1,644 USD
A
Retailer 2
-
$2,547 AUD
$1,789 USD
View
B+
Retailer 3
-
$2,621 AUD
$1,841 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,716 AUD
$1,908 USD
View
B+
Retailer 5
-
$2,954 AUD
$2,075 USD
View
B+
Retailer 6
-
$3,111 AUD
$2,185 USD
View
B+
Retailer 7
-
$3,169 AUD
£1,753 GBP
View
B+
Retailer 8
-
$3,206 AUD
$2,252 USD
View
B+
Retailer 9
-
$3,837 AUD
£2,122 GBP
View
B+
Retailer 10
-
$3,884 AUD
$2,728 USD
View
B
Retailer 11
-
$4,280 AUD
€2,863 EUR
View
B
Retailer 12
-
$4,682 AUD
$3,289 USD
View
B
Retailer 13
-
$5,089 AUD
$3,575 USD
View
B
Retailer 14
-
$5,619 AUD
£3,108 GBP
View
B
Retailer 15
-
$6,281 AUD
ZAR 71,278 ZAR
View
B
Retailer 16
-
$6,709 AUD
$4,712 USD
View
B
Retailer 17
-
$6,986 AUD
$4,907 USD
View
B
Retailer 18
-
$7,798 AUD
£4,313 GBP
View
B
Retailer 19
-
$8,261 AUD
$5,803 USD
View
B
Retailer 20
-
$9,533 AUD
$6,697 USD
View
Most Expensive
B
Brilliant Earth
22239761A · Oct 28
$11,588 AUD
$8,140 USD
View
20 more retailers have this diamond
Prices start from $2,340 AUDSave up to $9,248 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
3.15ct Marquise
$2,340 AUD