CaratHunter
Plans
Cushion|Lab Grown|IGI

1.70ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG546214315

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG546214315

Diamond specifications and retailer prices

From $641 CAD
$459 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $641 CAD at Loose Grown Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Loose Grown Diamond

About this 1.7ct lab-grown cushion diamond

This 1.7ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG546214315 or 546214315. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle31.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546214315
Dimensions7.93 × 6.27 × 3.94 mm
L/W Ratio1.26
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 Faint Blue
Top View
7.93 mm6.27 mm1.70 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546214315
Side View
Table 64.0%Crown 37.6°Girdle: MED-THKPavilion 31.7°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $641 CAD|Low: $257 CAD|High: $886 CAD|Avg: $617 CAD|-6.9%
August 26, 2026
Loose Grown Diamond$641 CAD

7 data points across 1 retailer

1 retailer

B+
Loose Grown Diamond
546214315 · Oct 31
$641 CAD
$459 USD
View

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.

B+
1.70ct Cushion
$641 CAD