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Round|Lab Grown|IGI

1.00ct G SI1 Round Lab Grown Diamond

FR • G/SI1 • IGI LG811646377

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811646377

Diamond specifications and retailer prices

From $210 CAD
$150 USD
As of October 29, 2026
Save $1,009 CAD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,219 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG811646377 or 811646377. Listed at 10 retailers as of October 26, 2026, with prices from $210 to $1,219, a $1,009 spread on the same certified stone. MOH London lists it at $1,219. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
G
Color
SI1
Clarity
Fair
Cut

Specifications

CutFair
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811646377
Dimensions6.43 × 6.36 × 3.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
6.43 mm6.36 mm1.00 ctG / SI1
OriginLab Grown
CutFair
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG811646377
Side View
Table 60.0%Crown 34.4°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 58.7%

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: $1,219 CAD|Low: $201 CAD|High: $1,231 CAD|Avg: $602 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 4$210 CAD
Retailer 8$243 CAD
Retailer 5$260 CAD
Retailer 6$478 CAD
Retailer 2$581 CAD
Retailer 7$705 CAD
Retailer 9$789 CAD
Retailer 3$884 CAD
MOH London$1,219 CAD

39 data points across 9 retailers

10 retailers$210 CAD to $1,219 CAD

B+
Cheapest Retailer
-
$210 CAD
$150 USD
B+
Retailer 2
-
$243 CAD
$174 USD
View
B+
Retailer 3
-
$260 CAD
$186 USD
View
B+
Retailer 4
-
$260 CAD
$186 USD
View
B
Retailer 5
-
$478 CAD
$342 USD
View
B
Retailer 6
-
$581 CAD
£328 GBP
View
B
Retailer 7
-
$705 CAD
$505 USD
View
C
Retailer 8
-
$837 CAD
$599 USD
View
C
Retailer 9
-
$884 CAD
$633 USD
View
Most Expensive
C
MOH London
LG811646377 · Oct 26
$1,219 CAD
£687 GBP
View
9 more retailers have this diamond
Prices start from $210 CADSave up to $1,009 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.

B+
1.00ct Round
$210 CAD