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Round|Lab Grown|IGI

1.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG674507997

Shape and cutting style on the report: Round brilliant

Certificate IGI LG674507997

Diamond specifications and retailer prices

From $538 CAD
$385 USD
As of October 31, 2026
Save $3,779 CAD (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,316 CAD at Brilliant Earth · As of October 30, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG674507997 or 674507997. Listed at 24 retailers as of October 30, 2026, with prices from $538 to $4,316, a $3,779 spread on the same certified stone. Brilliant Earth lists it at $4,316. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674507997
Dimensions7.44 × 7.39 × 4.51 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
7.44 mm7.39 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674507997
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.8%

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 31
Current: $4,316 CAD|Low: $342 CAD|High: $5,057 CAD|Avg: $1,452 CAD|-14.6%
Brilliant Earth
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
October 31, 2026
Retailer 11$342 CAD
Retailer 4$538 CAD
Retailer 16$559 CAD
Retailer 8$594 CAD
Retailer 19$850 CAD
Retailer 12$901 CAD
Retailer 5$945 CAD
Retailer 15$954 CAD
Retailer 17$961 CAD
Retailer 7$1,020 CAD
Retailer 2$1,061 CAD
Retailer 14$1,215 CAD
Retailer 6$1,377 CAD
Retailer 13$1,486 CAD
Retailer 3$1,979 CAD
Retailer 10$2,242 CAD
Retailer 18$2,313 CAD
Retailer 9$2,381 CAD
Brilliant Earth$4,316 CAD

28 data points across 19 retailers

24 retailers$538 CAD to $4,316 CAD

Retailer 1
-
$342 CAD
$245 USD
Price last confirmed 13 days ago
Retailer 2
-
$460 CAD
$329 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$538 CAD
$385 USD
View
Final sale: no returns
Retailer 4
-
$555 CAD
$397 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$559 CAD
$400 USD
View
Retailer 6
-
$594 CAD
$425 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$594 CAD
$425 USD
View
A
Retailer 8
-
$850 CAD
£479 GBP
View
A
Retailer 9
-
$901 CAD
$645 USD
View
A
Retailer 10
-
$945 CAD
€644 EUR
View
A
Retailer 11
-
$954 CAD
$683 USD
View
A
Retailer 12
-
$961 CAD
$688 USD
View
A
Retailer 13
-
$1,020 CAD
ZAR 11,792 ZAR
View
B+
Retailer 14
-
$1,061 CAD
£598 GBP
View
B+
Retailer 15
-
$1,215 CAD
$870 USD
View
B+
Retailer 16
-
$1,377 CAD
A$1,517 AUD
View
B+
Retailer 17
-
$1,486 CAD
$1,064 USD
View
Retailer 18
-
$1,907 CAD
$1,365 USD
View
Price last confirmed 24 days ago
B
Retailer 19
-
$1,979 CAD
$1,417 USD
View
B
Retailer 20
-
$2,242 CAD
$1,605 USD
View
B
Retailer 21
-
$2,313 CAD
$1,656 USD
View
B
Retailer 22
-
$2,381 CAD
£1,342 GBP
View
Retailer 23
-
$2,785 CAD
$1,994 USD
View
Price last confirmed 66 days ago
Most Expensive
B
Brilliant Earth
14081461A · Oct 30
$4,316 CAD
$3,090 USD
View
23 more retailers have this diamond
Prices start from $538 CADSave up to $3,779 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
$538 CAD