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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 $1,644 USD
As of October 27, 2026
Save $6,496 USD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,140 USD 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 $1,644 to $8,140, a $6,496 spread on the same certified stone. Brilliant Earth lists it at $8,140. 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
Color
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: $8,140 USD|Low: $1,644 USD|High: $8,140 USD|Avg: $3,619 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 21
October 29, 2026
Retailer 8$1,644 USD
Retailer 4$1,789 USD
Retailer 9$1,841 USD
Retailer 18$1,908 USD
Retailer 17$2,075 USD
Retailer 7$2,185 USD
Retailer 15$2,226 USD
Retailer 3$2,252 USD
Retailer 2$2,695 USD
Retailer 16$2,728 USD
Retailer 20$3,006 USD
Retailer 12$3,289 USD
Retailer 19$3,575 USD
Retailer 6$3,947 USD
Retailer 21$4,412 USD
Retailer 5$4,712 USD
Retailer 10$4,907 USD
Retailer 13$5,478 USD
Retailer 11$5,803 USD
Retailer 14$6,697 USD
Brilliant Earth$8,140 USD

8 data points across 21 retailers

21 retailers$1,644 USD to $8,140 USD

A
Cheapest Retailer
-
$1,644 USD
A
Retailer 2
-
$1,789 USD
View
B+
Retailer 3
-
$1,841 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,908 USD
View
B+
Retailer 5
-
$2,075 USD
View
B+
Retailer 6
-
$2,185 USD
View
B+
Retailer 7
-
$2,226 USD
£1,753 GBP
View
B+
Retailer 8
-
$2,252 USD
View
B+
Retailer 9
-
$2,695 USD
£2,122 GBP
View
B+
Retailer 10
-
$2,728 USD
View
B
Retailer 11
-
$3,006 USD
€2,863 EUR
View
B
Retailer 12
-
$3,289 USD
View
B
Retailer 13
-
$3,575 USD
View
B
Retailer 14
-
$3,947 USD
£3,108 GBP
View
B
Retailer 15
-
$4,412 USD
ZAR 71,278 ZAR
View
B
Retailer 16
-
$4,712 USD
View
B
Retailer 17
-
$4,907 USD
View
B
Retailer 18
-
$5,478 USD
£4,313 GBP
View
B
Retailer 19
-
$5,803 USD
View
B
Retailer 20
-
$6,697 USD
View
Most Expensive
B
Brilliant Earth
22239761A · Oct 28
$8,140 USD
View
20 more retailers have this diamond
Prices start from $1,644 USDSave up to $6,496 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
3.15ct Marquise
$1,644 USD