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Round|Lab Grown|IGI

1.45ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG781618358

Shape and cutting style on the report: Round brilliant

Certificate IGI LG781618358

Diamond specifications and retailer prices

From $305 CAD
$218 USD
As of October 29, 2026
Save $1,448 CAD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,413 CAD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.45ct lab-grown round diamond

This 1.45ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781618358 or 781618358. Listed at 23 retailers as of October 29, 2026, with a 475% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.45
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618358
Dimensions7.21 × 7.24 × 4.49 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
7.21 mm7.24 mm1.45 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618358
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 41°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $646 CAD|Low: $294 CAD|High: $1,538 CAD|Avg: $700 CAD|-0.1%
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
October 30, 2026
Retailer 17$305 CAD
Retailer 11$342 CAD
Retailer 7$354 CAD
Retailer 4$379 CAD
Retailer 9$379 CAD
Retailer 3$511 CAD
Retailer 1$646 CAD
Retailer 13$651 CAD
Retailer 12$691 CAD
Retailer 10$702 CAD
Retailer 6$731 CAD
Retailer 5$757 CAD
Retailer 14$927 CAD
Retailer 2$987 CAD
Retailer 16$994 CAD
Retailer 8$1,219 CAD
Retailer 15$1,522 CAD

44 data points across 17 retailers

23 retailers$305 CAD to $1,753 CAD

A
Cheapest Retailer
-
$305 CAD
$218 USD
A
Retailer 2
-
$342 CAD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$354 CAD
$253 USD
View
A
Retailer 4
-
$379 CAD
$271 USD
View
A
Retailer 5
-
$379 CAD
$271 USD
View
A
Retailer 6
-
$430 CAD
HK$2,400 HKD
View
B+
Retailer 7
-
$511 CAD
$365 USD
View
A
Retailer 8
-
$646 CAD
£363 GBP
View
A
Retailer 9
-
$651 CAD
ZAR 7,518 ZAR
View
A
Retailer 10
-
$691 CAD
€470 EUR
View
A
Retailer 11
-
$702 CAD
£395 GBP
View
B+
Retailer 12
-
$731 CAD
$522 USD
View
B+
Retailer 13
-
$757 CAD
$541 USD
View
B+
Retailer 14
-
$927 CAD
A$1,019 AUD
View
B+
Retailer 15
-
$977 CAD
$698 USD
View
Retailer 16
-
$987 CAD
$705 USD
View
Price last confirmed 23 days ago
B+
Retailer 17
-
$994 CAD
$710 USD
View
B
Retailer 18
-
$1,219 CAD
$871 USD
View
B
Retailer 19
-
$1,228 CAD
SGD 1,186 SGD
View
B
Retailer 20
-
$1,293 CAD
$924 USD
View
B
Retailer 21
-
$1,522 CAD
£856 GBP
View
B
Retailer 22
-
$1,753 CAD
$1,253 USD
View
Most Expensive
Queensmith
LG781618358 · Oct 27
$3,413 CAD
£1,920 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $305 CADSave up to $1,448 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
1.45ct Round
$305 CAD