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Princess|Lab Grown|IGI

1.71ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG514290249

Shape and cutting style on the report: Princess cut

Certificate IGI LG514290249

Diamond specifications and retailer prices

From $308 CAD
$219 USD
As of October 27, 2026
Save $1,603 CAD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,910 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.71ct lab-grown princess diamond

This 1.71ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG514290249 or 514290249. Listed at 18 retailers as of October 27, 2026, with prices from $308 to $1,910, a $1,603 spread on the same certified stone. Brilliant Earth lists it at $1,910. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.71
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514290249
Dimensions6.61 × 6.45 × 4.55 mm
L/W Ratio1.02
Culet sizePointed
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
6.61 mm6.45 mm1.71 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514290249
Side View
Table 66.5%Crown 44.4°Girdle: MediumPavilion 37.3°Culet: NoneDepth 70.5%

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 27
Current: $1,910 CAD|Low: $308 CAD|High: $1,924 CAD|Avg: $911 CAD|-0.7%
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
October 29, 2026
Retailer 5$308 CAD
Retailer 3$344 CAD
Retailer 18$357 CAD
Retailer 12$382 CAD
Retailer 10$435 CAD
Retailer 13$491 CAD
Retailer 16$517 CAD
Retailer 7$646 CAD
Retailer 2$709 CAD
Retailer 14$749 CAD
Retailer 11$785 CAD
Retailer 17$795 CAD
Retailer 9$1,093 CAD
Retailer 15$1,226 CAD
Retailer 4$1,301 CAD
Retailer 8$1,573 CAD
Retailer 6$1,748 CAD
Brilliant Earth$1,910 CAD

35 data points across 18 retailers

18 retailers$308 CAD to $1,910 CAD

A
Cheapest Retailer
-
$308 CAD
$219 USD
A
Retailer 2
-
$344 CAD
$245 USD
View
Final sale: no returns
A
Retailer 3
-
$357 CAD
$254 USD
View
A
Retailer 4
-
$382 CAD
$272 USD
View
A
Retailer 5
-
$435 CAD
$310 USD
View
A
Retailer 6
-
$491 CAD
£275 GBP
View
B+
Retailer 7
-
$517 CAD
$368 USD
View
A
Retailer 8
-
$646 CAD
$460 USD
View
A
Retailer 9
-
$709 CAD
£397 GBP
View
A
Retailer 10
-
$749 CAD
$533 USD
View
B+
Retailer 11
-
$785 CAD
€532 EUR
View
B+
Retailer 12
-
$795 CAD
$566 USD
View
B
Retailer 13
-
$1,093 CAD
$778 USD
View
B+
Retailer 14
-
$1,226 CAD
$873 USD
View
B
Retailer 15
-
$1,301 CAD
$926 USD
View
B
Retailer 16
-
$1,573 CAD
$1,120 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
$1,748 CAD
£980 GBP
View
Most Expensive
B
Brilliant Earth
11260603A · Oct 28
$1,910 CAD
$1,360 USD
View
17 more retailers have this diamond
Prices start from $308 CADSave up to $1,603 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
1.71ct Princess
$308 CAD