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Round|Lab Grown|IGI

1.15ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG480150380

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480150380

Diamond specifications and retailer prices

From $1,145 CAD
$820 USD
As of October 29, 2026
Save $5,543 CAD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,688 CAD at MOH London · As of October 29, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG480150380 or 480150380. Listed at 12 retailers as of October 29, 2026, with prices from $1,145 to $6,688, a $5,543 spread on the same certified stone. MOH London lists it at $6,688. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480150380
Dimensions6.85 × 6.87 × 4.10 mm
L/W Ratio1.00
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
6.85 mm6.87 mm1.15 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480150380
Side View
Table 60.0%Crown 31.3°Girdle: THN-MEDPavilion 41.6°Culet: NoneDepth 59.7%

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: $6,688 CAD|Low: $1,145 CAD|High: $6,733 CAD|Avg: $3,201 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6$1,145 CAD
Retailer 5$1,785 CAD
Retailer 10$1,999 CAD
Retailer 7$2,070 CAD
Retailer 9$2,070 CAD
Retailer 11$2,312 CAD
Retailer 12$2,841 CAD
Retailer 8$3,277 CAD
Retailer 2$3,542 CAD
Retailer 3$3,860 CAD
Retailer 4$5,929 CAD
MOH London$6,688 CAD

19 data points across 12 retailers

12 retailers$1,145 CAD to $6,688 CAD

A
Cheapest Retailer
-
$1,145 CAD
$820 USD
B+
Retailer 2
-
$1,785 CAD
$1,278 USD
View
B+
Retailer 3
-
$1,942 CAD
$1,390 USD
View
B+
Retailer 4
-
$1,999 CAD
$1,431 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,070 CAD
$1,482 USD
View
Retailer 6
-
$2,070 CAD
$1,482 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$2,312 CAD
$1,655 USD
View
B
Retailer 8
-
$3,277 CAD
$2,346 USD
View
B
Retailer 9
-
$3,542 CAD
€2,415 EUR
View
B
Retailer 10
-
$3,860 CAD
$2,763 USD
View
B
Retailer 11
-
$3,882 CAD
$2,779 USD
View
Most Expensive
B
MOH London
LG480150380 · Oct 29
$6,688 CAD
£3,770 GBP
View
11 more retailers have this diamond
Prices start from $1,145 CADSave up to $5,543 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
$1,145 CAD