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Marquise|Lab Grown|IGI

3.18ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG818696663

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818696663

Diamond specifications and retailer prices

From $1,169 CAD
$837 USD
As of October 31, 2026
Save $3,945 CAD (77%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,830 CAD at Rare Carat · As of October 12, 2026
View at Rare Carat

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 LG818696663 or 818696663. Listed at 17 retailers as of October 31, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818696663
Dimensions14.66 × 7.52 × 4.72 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
14.66 mm7.52 mm3.18 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818696663
Side View
Table 60.0%Crown 38.4°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 62.8%

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 31
Current: $1,169 CAD|Low: $1,169 CAD|High: $5,114 CAD|Avg: $2,815 CAD|-4.3%
Retailer 1
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
October 31, 2026
Retailer 1$1,169 CAD
Retailer 5$1,467 CAD
Retailer 15$1,746 CAD
Retailer 14$1,749 CAD
Retailer 10$1,930 CAD
Retailer 4$2,240 CAD
Retailer 11$2,737 CAD
Retailer 2$2,776 CAD
Retailer 7$2,832 CAD
Retailer 13$2,901 CAD
Retailer 8$3,987 CAD
Retailer 12$4,078 CAD
Retailer 3$4,209 CAD
Retailer 16$4,358 CAD
Retailer 6$4,817 CAD
Retailer 9$5,114 CAD

19 data points across 16 retailers

17 retailers$1,169 CAD to $5,114 CAD

A
Cheapest Retailer
-
$1,169 CAD
$837 USD
Final sale: no returns
A
Retailer 2
-
$1,467 CAD
$1,050 USD
View
A
Retailer 3
-
$1,746 CAD
$1,250 USD
View
A
Retailer 4
-
$1,749 CAD
$1,252 USD
View
A
Retailer 5
-
$1,930 CAD
£1,088 GBP
View
A
Retailer 6
-
$2,240 CAD
€1,527 EUR
View
B+
Retailer 7
-
$2,737 CAD
A$3,014 AUD
View
B+
Retailer 8
-
$2,776 CAD
$1,987 USD
View
B+
Retailer 9
-
$2,832 CAD
ZAR 32,754 ZAR
View
B+
Retailer 10
-
$2,901 CAD
$2,077 USD
View
B+
Retailer 11
-
$3,987 CAD
$2,854 USD
View
B+
Retailer 12
-
$4,078 CAD
SGD 3,945 SGD
View
B+
Retailer 13
-
$4,209 CAD
$3,013 USD
View
B+
Retailer 14
-
$4,358 CAD
$3,120 USD
View
B
Retailer 15
-
$4,817 CAD
£2,715 GBP
View
B
Retailer 16
-
$5,114 CAD
A$5,632 AUD
View
Most Expensive
Rare Carat
CN169-74A · Oct 7
$7,830 CAD
$5,605 USD
View
Price last confirmed 19 days ago
16 more retailers have this diamond
Prices start from $1,169 CADSave up to $3,945 CAD

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
$1,169 CAD