CaratHunter
Plans
Round|Lab Grown|IGI

1.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG776652956

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776652956

Diamond specifications and retailer prices

From $302 CAD
$216 USD
As of October 29, 2026
Save $1,440 CAD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,742 CAD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG776652956 or 776652956. Listed at 20 retailers as of October 28, 2026, with prices from $302 to $1,742, a $1,440 spread on the same certified stone. Reve Diamonds lists it at $1,742. 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

1.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776652956
Dimensions7.27 × 7.33 × 4.54 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
7.27 mm7.33 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776652956
Side View
Table 58.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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: $693 CAD|Low: $290 CAD|High: $1,742 CAD|Avg: $793 CAD|+9.1%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
October 30, 2026
Retailer 17$302 CAD
Retailer 9$337 CAD
Retailer 3$351 CAD
Retailer 2$375 CAD
Retailer 7$375 CAD
Retailer 5$504 CAD
Retailer 4$595 CAD
Retailer 13$608 CAD
Retailer 11$650 CAD
Retailer 1$693 CAD
Retailer 8$731 CAD
Retailer 14$753 CAD
Retailer 16$973 CAD
Retailer 15$1,043 CAD
Retailer 6$1,205 CAD
Retailer 18$1,218 CAD
Retailer 10$1,279 CAD
Retailer 12$1,511 CAD
Reve Diamonds$1,742 CAD

40 data points across 19 retailers

20 retailers$302 CAD to $1,742 CAD

A
Cheapest Retailer
-
$302 CAD
$216 USD
A
Retailer 2
-
$337 CAD
$241 USD
View
Final sale: no returns
A
Retailer 3
-
$351 CAD
$251 USD
View
A
Retailer 4
-
$375 CAD
$268 USD
View
A
Retailer 5
-
$375 CAD
$268 USD
View
B+
Retailer 6
-
$504 CAD
$360 USD
View
A
Retailer 7
-
$595 CAD
$425 USD
View
A
Retailer 8
-
$608 CAD
€414 EUR
View
A
Retailer 9
-
$650 CAD
£366 GBP
View
A
Retailer 10
-
$693 CAD
£390 GBP
View
B+
Retailer 11
-
$731 CAD
$522 USD
View
B+
Retailer 12
-
$753 CAD
A$828 AUD
View
Retailer 13
-
$830 CAD
$593 USD
View
Price last confirmed 31 days ago
B
Retailer 14
-
$973 CAD
$695 USD
View
B+
Retailer 15
-
$1,043 CAD
$745 USD
View
B
Retailer 16
-
$1,205 CAD
$861 USD
View
B
Retailer 17
-
$1,218 CAD
$870 USD
View
B
Retailer 18
-
$1,279 CAD
$914 USD
View
B
Retailer 19
-
$1,511 CAD
£850 GBP
View
Most Expensive
B
Reve Diamonds
DDFA18ECD · Oct 28
$1,742 CAD
$1,245 USD
View
19 more retailers have this diamond
Prices start from $302 CADSave up to $1,440 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
1.50ct Round
$302 CAD