CaratHunter
Plans
Round|Lab Grown|IGI

1.20ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG470147787

Shape and cutting style on the report: Round brilliant

Certificate IGI LG470147787

Diamond specifications and retailer prices

From $1,129 CAD
$808 USD
As of October 29, 2026
Save $982 CAD (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,112 CAD at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG470147787 or 470147787. Listed at 11 retailers as of October 29, 2026, with a 87% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.20
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG470147787
Dimensions6.78 × 6.72 × 4.26 mm
L/W Ratio1.01
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
Top View
6.78 mm6.72 mm1.20 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG470147787
Side View
Table 58.5%Crown 36.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,112 CAD|Low: $831 CAD|High: $4,971 CAD|Avg: $2,077 CAD
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7$831 CAD
Retailer 6$1,263 CAD
Retailer 4$1,271 CAD
Retailer 2$2,001 CAD
Retailer 5$2,111 CAD
Friendly Diamonds$3,112 CAD
Retailer 3$4,912 CAD

39 data points across 7 retailers

11 retailers$1,129 CAD to $2,111 CAD

B
Cheapest Retailer
-
$1,129 CAD
$808 USD
B
Retailer 2
-
$1,228 CAD
$879 USD
View
B
Retailer 3
-
$1,263 CAD
$904 USD
View
Final sale: no returns
B
Retailer 4
-
$1,271 CAD
$910 USD
View
Retailer 5
-
$1,309 CAD
$937 USD
View
Price last confirmed 18 days ago
B
Retailer 6
-
$1,309 CAD
$937 USD
View
B
Retailer 7
-
$2,001 CAD
£1,128 GBP
View
B
Retailer 8
-
$2,111 CAD
$1,511 USD
View
Most Expensive
Friendly Diamonds
1589058 · Oct 30
$3,112 CAD
$2,228 USD
View
Price under review
8 more retailers have this diamond
Prices start from $1,129 CADSave up to $982 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
1.20ct Round
$1,129 CAD