CaratHunter
Plans
Cushion|Lab Grown|IGI

1.71ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG815692570

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815692570

Diamond specifications and retailer prices

From $391 CAD
$280 USD
As of October 30, 2026
Save $2,067 CAD (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,459 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.71ct lab-grown cushion diamond

This 1.71ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815692570 or 815692570. Listed at 16 retailers as of October 29, 2026, with prices from $391 to $2,459, a $2,067 spread on the same certified stone. Brilliant Earth lists it at $2,459. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815692570
Dimensions8.02 × 6.42 × 4.38 mm
L/W Ratio1.25
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.02 mm6.42 mm1.71 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815692570
Side View
Table 67.0%Crown 33.9°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 68.2%

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 30
Current: $2,459 CAD|Low: $386 CAD|High: $2,752 CAD|Avg: $1,101 CAD|-10.7%
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
October 30, 2026
Retailer 6$391 CAD
Retailer 15$433 CAD
Retailer 13$485 CAD
Retailer 14$677 CAD
Retailer 7$725 CAD
Retailer 9$741 CAD
Retailer 11$744 CAD
Retailer 2$824 CAD
Retailer 4$908 CAD
Retailer 16$918 CAD
Retailer 12$1,010 CAD
Retailer 5$1,464 CAD
Retailer 3$1,704 CAD
Retailer 10$1,746 CAD
Retailer 8$1,890 CAD
Brilliant Earth$2,459 CAD

38 data points across 16 retailers

16 retailers$391 CAD to $2,459 CAD

A
Cheapest Retailer
-
$391 CAD
$280 USD
Final sale: no returns
A
Retailer 2
-
$433 CAD
$310 USD
View
Retailer 3
-
$485 CAD
£273 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
$677 CAD
$485 USD
View
A
Retailer 5
-
$725 CAD
$519 USD
View
A
Retailer 6
-
$741 CAD
€505 EUR
View
A
Retailer 7
-
$744 CAD
ZAR 8,605 ZAR
View
A
Retailer 8
-
$824 CAD
£465 GBP
View
A
Retailer 9
-
$908 CAD
$650 USD
View
A
Retailer 10
-
$918 CAD
$657 USD
View
A
Retailer 11
-
$1,010 CAD
A$1,112 AUD
View
B+
Retailer 12
-
$1,464 CAD
$1,048 USD
View
B
Retailer 13
-
$1,704 CAD
$1,220 USD
View
B
Retailer 14
-
$1,746 CAD
£984 GBP
View
B
Retailer 15
-
$1,890 CAD
$1,353 USD
View
Most Expensive
B
Brilliant Earth
20566399A · Oct 29
$2,459 CAD
$1,760 USD
View
15 more retailers have this diamond
Prices start from $391 CADSave up to $2,067 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 Cushion
$391 CAD