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Round|Lab Grown|IGI

0.66ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG817623973

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817623973

Diamond specifications and retailer prices

From $197 CAD
$141 USD
As of October 30, 2026
Save $1,655 CAD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,852 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.66ct lab-grown round diamond

This 0.66ct lab-grown round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG817623973 or 817623973. Listed at 15 retailers as of October 29, 2026, with prices from $197 to $1,852, a $1,655 spread on the same certified stone. MOH London lists it at $1,852. 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

0.66
Carat
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817623973
Dimensions5.64 × 5.60 × 3.44 mm
L/W Ratio1.01
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
5.64 mm5.60 mm0.66 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817623973
Side View
Table 57.0%Crown 33.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,852 CAD|Low: $197 CAD|High: $1,865 CAD|Avg: $624 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6$197 CAD
Retailer 3$221 CAD
Retailer 5$221 CAD
Retailer 4$307 CAD
Retailer 2$749 CAD
MOH London$1,852 CAD

15 data points across 6 retailers

15 retailers$197 CAD to $1,852 CAD

Retailer 1
-
$170 CAD
$122 USD
Price last confirmed 25 days ago
Retailer 2
-
$177 CAD
$127 USD
View
Price last confirmed 40 days ago
A
Retailer 3
-
$197 CAD
$141 USD
View
Final sale: no returns
Retailer 4
-
$207 CAD
$148 USD
View
Price last confirmed 43 days ago
Retailer 5
-
$207 CAD
$148 USD
View
Price last confirmed 24 days ago
Retailer 6
-
$218 CAD
$156 USD
View
Price last confirmed 41 days ago
A
Retailer 7
-
$221 CAD
$158 USD
View
Retailer 8
-
$221 CAD
$158 USD
View
Price last confirmed 8 days ago
Retailer 9
-
$221 CAD
$158 USD
View
Price last confirmed 30 days ago
A
Retailer 10
-
$307 CAD
$220 USD
View
Retailer 11
-
$710 CAD
$508 USD
View
Price last confirmed 32 days ago
Retailer 12
-
$710 CAD
$508 USD
View
Price last confirmed 42 days ago
B+
Retailer 13
-
$710 CAD
$508 USD
View
B+
Retailer 14
-
$749 CAD
$536 USD
View
Most Expensive
B
MOH London
LG817623973 · Oct 29
$1,852 CAD
£1,044 GBP
View
14 more retailers have this diamond
Prices start from $197 CADSave up to $1,655 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
0.66ct Round
$197 CAD