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Round|Lab Grown|IGI

1.51ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754508720

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754508720

Diamond specifications and retailer prices

From $574 CAD
$411 USD
As of October 30, 2026
Save $6,047 CAD (91%) vs most expensive(unlock to see where)
33 retailers carry this diamond
Most expensive: $6,621 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508720 or 754508720. Listed at 33 retailers as of October 29, 2026, with prices from $574 to $6,621, a $6,047 spread on the same certified stone. Brilliant Earth lists it at $6,621. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508720
Dimensions7.31 × 7.36 × 4.56 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
7.31 mm7.36 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508720
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.1%

Caratlytics Score

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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 30
Current: $2,427 CAD|Low: $574 CAD|High: $4,191 CAD|Avg: $1,676 CAD|-4.0%
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 8$574 CAD
Retailer 2$831 CAD
Retailer 20$840 CAD
Retailer 7$915 CAD
Retailer 19$915 CAD
Retailer 10$943 CAD
Retailer 17$1,047 CAD
Retailer 9$1,053 CAD
Retailer 18$1,110 CAD
Retailer 12$1,164 CAD
Retailer 11$1,188 CAD
Retailer 13$1,485 CAD
Retailer 16$1,499 CAD
Retailer 3$1,717 CAD
Retailer 4$2,211 CAD
Retailer 6$2,274 CAD
Retailer 14$2,295 CAD
Retailer 1$2,427 CAD
Retailer 15$2,453 CAD
Retailer 22$2,539 CAD
Retailer 21$3,150 CAD
Retailer 5$4,191 CAD

36 data points across 22 retailers

33 retailers$574 CAD to $6,621 CAD

Retailer 1
-
$472 CAD
$338 USD
Price last confirmed 21 days ago
Retailer 2
-
$499 CAD
$357 USD
View
Price last confirmed 32 days ago
Retailer 3
-
$548 CAD
$392 USD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$574 CAD
$411 USD
View
Final sale: no returns
Retailer 5
-
$580 CAD
$415 USD
View
Price last confirmed 39 days ago
Retailer 6
-
$585 CAD
$419 USD
View
Price last confirmed 21 days ago
Retailer 7
-
$585 CAD
$419 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$585 CAD
$419 USD
View
Retailer 9
-
$612 CAD
$438 USD
View
Price last confirmed 32 days ago
Retailer 10
-
$831 CAD
£469 GBP
View
Price last confirmed 14 days ago
A
Retailer 11
-
$840 CAD
HK$4,700 HKD
View
A
Retailer 12
-
$915 CAD
$655 USD
View
A
Retailer 13
-
$915 CAD
$655 USD
View
A
Retailer 14
-
$943 CAD
$675 USD
View
A
Retailer 15
-
$1,047 CAD
€714 EUR
View
A
Retailer 16
-
$1,053 CAD
$754 USD
View
A
Retailer 17
-
$1,110 CAD
ZAR 12,840 ZAR
View
A
Retailer 18
-
$1,164 CAD
£656 GBP
View
A
Retailer 19
-
$1,188 CAD
A$1,308 AUD
View
B+
Retailer 20
-
$1,485 CAD
$1,063 USD
View
B+
Retailer 21
-
$1,499 CAD
A$1,651 AUD
View
B+
Retailer 22
-
$1,717 CAD
$1,229 USD
View
Retailer 23
-
$2,077 CAD
$1,487 USD
View
Price last confirmed 22 days ago
Retailer 24
-
$2,197 CAD
$1,573 USD
View
Price last confirmed 31 days ago
B+
Retailer 25
-
$2,211 CAD
$1,583 USD
View
B+
Retailer 26
-
$2,274 CAD
$1,628 USD
View
B+
Retailer 27
-
$2,295 CAD
$1,643 USD
View
B+
Retailer 28
-
$2,427 CAD
A$2,673 AUD
View
B+
Retailer 29
-
$2,453 CAD
SGD 2,373 SGD
View
Retailer 30
-
$2,539 CAD
£1,431 GBP
View
Price last confirmed 13 days ago
B+
Retailer 31
-
$3,150 CAD
$2,255 USD
View
B
Retailer 32
-
$4,191 CAD
$3,000 USD
View
Most Expensive
B
Brilliant Earth
18668765Y · Oct 29
$6,621 CAD
$4,740 USD
View
32 more retailers have this diamond
Prices start from $574 CADSave up to $6,047 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
1.51ct Round
$574 CAD