CaratHunter
Plans
Round|Lab Grown|IGI

1.00ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG816641818

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816641818

Diamond specifications and retailer prices

From $357 CAD
£201 GBP
As of October 29, 2026
Save $1,452 CAD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,809 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816641818 or 816641818. Listed at 14 retailers as of October 26, 2026, with prices from $357 to $1,809, a $1,452 spread on the same certified stone. MOH London lists it at $1,809. 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
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816641818
Dimensions6.45 × 6.42 × 3.86 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.45 mm6.42 mm1.00 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816641818
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.9%

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 29
Current: $1,809 CAD|Low: $113 CAD|High: $1,829 CAD|Avg: $551 CAD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9$113 CAD
Retailer 8$231 CAD
Retailer 2$357 CAD
Retailer 3$411 CAD
Retailer 5$416 CAD
Retailer 7$456 CAD
Retailer 6$668 CAD
Retailer 4$735 CAD
MOH London$1,809 CAD

42 data points across 9 retailers

14 retailers$357 CAD to $1,809 CAD

A
Retailer 1
-
$168 CAD
$120 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$175 CAD
$125 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$203 CAD
$145 USD
View
Price last confirmed 23 days ago
A
Retailer 4
-
$203 CAD
$145 USD
View
Price last confirmed 42 days ago
A
Retailer 5
-
$230 CAD
$164 USD
View
Price last confirmed 30 days ago
A
Retailer 6
-
$231 CAD
$165 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
$357 CAD
£201 GBP
View
B+
Retailer 8
-
$411 CAD
€280 EUR
View
B+
Retailer 9
-
$416 CAD
$297 USD
View
B+
Retailer 10
-
$456 CAD
$326 USD
View
B+
Retailer 11
-
$668 CAD
$477 USD
View
B
Retailer 12
-
$696 CAD
$497 USD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$735 CAD
$525 USD
View
Most Expensive
B
MOH London
LG816641818 · Oct 26
$1,809 CAD
£1,018 GBP
View
13 more retailers have this diamond
Prices start from $357 CADSave up to $1,452 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
1.00ct Round
$357 CAD