CaratHunter
Plans
Round|Lab Grown|IGI

1.70ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG642471180

Shape and cutting style on the report: Round brilliant

Certificate IGI LG642471180

Diamond specifications and retailer prices

From $330 CAD
$236 USD
As of November 1, 2026
Save $1,310 CAD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,639 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG642471180 or 642471180. Listed at 16 retailers as of October 26, 2026, with prices from $330 to $1,639, a $1,310 spread on the same certified stone. MOH London lists it at $1,639. 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

1.70
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642471180
Dimensions7.76 × 7.71 × 4.68 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.76 mm7.71 mm1.70 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642471180
Side View
Table 60.0%Crown 34°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.4%

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: Nov 1
Current: $1,639 CAD|Low: $330 CAD|High: $1,657 CAD|Avg: $911 CAD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 10$330 CAD
Retailer 11$409 CAD
Retailer 12$644 CAD
Retailer 3$691 CAD
Retailer 5$750 CAD
Retailer 6$764 CAD
Retailer 4$771 CAD
Retailer 7$815 CAD
Retailer 9$1,180 CAD
Retailer 8$1,319 CAD
Retailer 2$1,537 CAD
MOH London$1,639 CAD

42 data points across 12 retailers

16 retailers$330 CAD to $1,639 CAD

A
Cheapest Retailer
-
$330 CAD
$236 USD
A
Retailer 2
-
$383 CAD
$274 USD
View
Retailer 3
-
$409 CAD
$293 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$409 CAD
$293 USD
View
B+
Retailer 5
-
$691 CAD
$495 USD
View
A
Retailer 6
-
$742 CAD
$531 USD
View
A
Retailer 7
-
$750 CAD
£423 GBP
View
A
Retailer 8
-
$764 CAD
£431 GBP
View
A
Retailer 9
-
$771 CAD
$552 USD
View
B+
Retailer 10
-
$815 CAD
A$898 AUD
View
Retailer 11
-
$1,135 CAD
$812 USD
View
Price last confirmed 49 days ago
Retailer 12
-
$1,180 CAD
$845 USD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$1,313 CAD
$940 USD
View
B
Retailer 14
-
$1,319 CAD
$944 USD
View
B
Retailer 15
-
$1,537 CAD
$1,100 USD
View
Most Expensive
B
MOH London
LG642471180 · Oct 26
$1,639 CAD
£924 GBP
View
15 more retailers have this diamond
Prices start from $330 CADSave up to $1,310 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 Round
$330 CAD