CaratHunter
Plans
Round|Lab Grown|IGI

1.35ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG689589510

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689589510

Diamond specifications and retailer prices

From $311 CAD
$222 USD
As of October 29, 2026
Save $1,239 CAD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,550 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.35ct lab-grown round diamond

This 1.35ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG689589510 or 689589510. Listed at 16 retailers as of October 29, 2026, with prices from $311 to $1,550, a $1,239 spread on the same certified stone. MOH London lists it at $1,550. 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

1.35
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689589510
Dimensions7.11 × 7.08 × 4.35 mm
L/W Ratio1.00
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
7.11 mm7.08 mm1.35 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689589510
Side View
Table 57.0%Crown 34.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

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: $1,550 CAD|Low: $298 CAD|High: $1,561 CAD|Avg: $827 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
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 13$311 CAD
Retailer 4$360 CAD
Retailer 14$385 CAD
Retailer 9$518 CAD
Retailer 8$638 CAD
Retailer 7$713 CAD
Retailer 3$731 CAD
Retailer 2$752 CAD
Retailer 11$763 CAD
Retailer 10$781 CAD
Retailer 5$1,236 CAD
Retailer 12$1,241 CAD
Retailer 6$1,540 CAD
MOH London$1,550 CAD

42 data points across 14 retailers

16 retailers$311 CAD to $1,550 CAD

A
Cheapest Retailer
-
$311 CAD
$222 USD
A
Retailer 2
-
$360 CAD
$257 USD
View
A
Retailer 3
-
$385 CAD
$275 USD
View
A
Retailer 4
-
$385 CAD
$275 USD
View
B+
Retailer 5
-
$518 CAD
$370 USD
View
A
Retailer 6
-
$638 CAD
€434 EUR
View
B+
Retailer 7
-
$649 CAD
$464 USD
View
B+
Retailer 8
-
$713 CAD
£401 GBP
View
B+
Retailer 9
-
$731 CAD
$522 USD
View
B+
Retailer 10
-
$752 CAD
£423 GBP
View
B+
Retailer 11
-
$763 CAD
$545 USD
View
Retailer 12
-
$770 CAD
$550 USD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
$781 CAD
A$858 AUD
View
B
Retailer 14
-
$1,236 CAD
$883 USD
View
B
Retailer 15
-
$1,241 CAD
$887 USD
View
Most Expensive
B
MOH London
LG689589510 · Oct 29
$1,550 CAD
£872 GBP
View
15 more retailers have this diamond
Prices start from $311 CADSave up to $1,239 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
1.35ct Round
$311 CAD