CaratHunter
Plans
Round|Lab Grown|IGI

1.00ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG780656982

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780656982

Diamond specifications and retailer prices

From $671 CAD
$480 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $671 CAD at Brilliant Earth
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 Brilliant Earth

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG780656982 or 780656982. Listed at a single retailer as of October 29, 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

1.00
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780656982
Dimensions6.40 × 6.45 × 3.94 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.40 mm6.45 mm1.00 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780656982
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.3%

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 29
Current: $366 CAD|Low: $366 CAD|High: $790 CAD|Avg: $565 CAD|-10.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
April 15, 2026
Retailer 1$366 CAD
Retailer 3$380 CAD
Retailer 2$471 CAD
Retailer 4$627 CAD
Retailer 5$739 CAD
Retailer 6$790 CAD

4 data points across 6 retailers

1 retailer

B+
Brilliant Earth
18496590A · Oct 29
$671 CAD
$480 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+
1.00ct Round
$671 CAD