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Marquise|Lab Grown|IGI

1.70ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG817693361

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817693361

Diamond specifications and retailer prices

From $1,260 CAD
$902 USD
As of October 30, 2026
Save $4,188 CAD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,448 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.7ct lab-grown marquise diamond

This 1.7ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817693361 or 817693361. Listed at 21 retailers as of October 30, 2026, with prices from $1,260 to $5,448, a $4,188 spread on the same certified stone. Brilliant Earth lists it at $5,448. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817693361
Dimensions11.99 × 6.28 × 3.93 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.99 mm6.28 mm1.70 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817693361
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.6%

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 30
Current: $5,448 CAD|Low: $1,260 CAD|High: $7,138 CAD|Avg: $3,467 CAD|-23.7%
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
October 30, 2026
Retailer 4$1,260 CAD
Retailer 19$1,370 CAD
Retailer 6$1,409 CAD
Retailer 16$1,461 CAD
Retailer 5$1,699 CAD
Retailer 15$1,704 CAD
Retailer 20$2,042 CAD
Retailer 2$2,250 CAD
Retailer 13$2,331 CAD
Retailer 7$2,343 CAD
Retailer 14$2,686 CAD
Retailer 10$3,251 CAD
Retailer 3$4,045 CAD
Retailer 17$4,108 CAD
Retailer 8$4,336 CAD
Retailer 9$4,796 CAD
Retailer 11$4,907 CAD
Retailer 18$4,962 CAD
Retailer 12$5,077 CAD
Brilliant Earth$5,448 CAD

35 data points across 20 retailers

21 retailers$1,260 CAD to $5,448 CAD

A
Cheapest Retailer
-
$1,260 CAD
$902 USD
A
Retailer 2
-
$1,370 CAD
$981 USD
View
A
Retailer 3
-
$1,409 CAD
$1,009 USD
View
Final sale: no returns
A
Retailer 4
-
$1,461 CAD
$1,046 USD
View
A
Retailer 5
-
$1,699 CAD
HK$9,500 HKD
View
A
Retailer 6
-
$1,704 CAD
$1,220 USD
View
Retailer 7
-
$1,829 CAD
$1,309 USD
View
Price last confirmed 13 days ago
A
Retailer 8
-
$2,042 CAD
$1,462 USD
View
A
Retailer 9
-
$2,250 CAD
£1,268 GBP
View
A
Retailer 10
-
$2,331 CAD
€1,589 EUR
View
A
Retailer 11
-
$2,343 CAD
$1,677 USD
View
B+
Retailer 12
-
$2,686 CAD
ZAR 31,066 ZAR
View
B+
Retailer 13
-
$3,251 CAD
$2,327 USD
View
B+
Retailer 14
-
$4,045 CAD
£2,280 GBP
View
B
Retailer 15
-
$4,108 CAD
$2,941 USD
View
B+
Retailer 16
-
$4,336 CAD
$3,104 USD
View
B
Retailer 17
-
$4,796 CAD
$3,433 USD
View
B
Retailer 18
-
$4,907 CAD
SGD 4,747 SGD
View
B
Retailer 19
-
$4,962 CAD
£2,797 GBP
View
B
Retailer 20
-
$5,077 CAD
$3,634 USD
View
Most Expensive
B
Brilliant Earth
20860257A · Oct 30
$5,448 CAD
$3,900 USD
View
20 more retailers have this diamond
Prices start from $1,260 CADSave up to $4,188 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
1.70ct Marquise
$1,260 CAD