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Round|Lab Grown|IGI

1.15ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG492136381

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492136381

Diamond specifications and retailer prices

From $922 CAD
$660 USD
As of October 30, 2026
Save $2,811 CAD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,733 CAD at MOH London · As of October 19, 2026
View at MOH London

About this 1.15ct lab-grown round diamond

This 1.15ct 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 LG492136381 or 492136381. Listed at 12 retailers as of October 30, 2026, with a 305% 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

1.15
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492136381
Dimensions6.72 × 6.77 × 4.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.72 mm6.77 mm1.15 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492136381
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.4%

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 30
Current: $4,733 CAD|Low: $824 CAD|High: $4,763 CAD|Avg: $2,091 CAD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$922 CAD
Retailer 5$1,034 CAD
Retailer 9$1,155 CAD
Retailer 6$1,199 CAD
Retailer 8$1,199 CAD
Retailer 10$1,446 CAD
Retailer 3$1,882 CAD
Retailer 7$1,943 CAD
Retailer 4$2,953 CAD
Retailer 11$3,733 CAD
MOH London$4,733 CAD

13 data points across 11 retailers

12 retailers$922 CAD to $3,733 CAD

A
Cheapest Retailer
-
$922 CAD
$660 USD
A
Retailer 2
-
$1,034 CAD
$740 USD
View
A
Retailer 3
-
$1,125 CAD
$805 USD
View
A
Retailer 4
-
$1,155 CAD
$827 USD
View
Final sale: no returns
A
Retailer 5
-
$1,199 CAD
$858 USD
View
Retailer 6
-
$1,199 CAD
$858 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$1,446 CAD
$1,035 USD
View
B+
Retailer 8
-
$1,943 CAD
$1,391 USD
View
B
Retailer 9
-
$2,953 CAD
$2,114 USD
View
B
Retailer 10
-
$3,371 CAD
$2,413 USD
View
B
Retailer 11
-
$3,733 CAD
$2,673 USD
View
Most Expensive
MOH London
LG492136381 · Oct 19
$4,733 CAD
£2,668 GBP
View
Price last confirmed 11 days ago
11 more retailers have this diamond
Prices start from $922 CADSave up to $2,811 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
1.15ct Round
$922 CAD