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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG687560325

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG687560325

Diamond specifications and retailer prices

From $295 CAD
$211 USD
As of October 30, 2026
Save $1,870 CAD (86%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,165 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG687560325 or 687560325. Listed at 25 retailers as of October 30, 2026, with prices from $295 to $2,165, a $1,870 spread on the same certified stone. Brilliant Earth lists it at $2,165. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.7°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687560325
Dimensions6.79 × 6.15 × 4.18 mm
L/W Ratio1.10
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
6.79 mm6.15 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687560325
Side View
Table 71.0%Crown 44.7°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.0%

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: $2,165 CAD|Low: $282 CAD|High: $2,459 CAD|Avg: $862 CAD|-11.9%
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
November 1, 2026
Retailer 3$295 CAD
Retailer 12$328 CAD
Retailer 8$341 CAD
Retailer 5$365 CAD
Retailer 9$365 CAD
Retailer 13$517 CAD
Retailer 11$591 CAD
Retailer 16$626 CAD
Retailer 2$674 CAD
Retailer 10$721 CAD
Retailer 17$852 CAD
Retailer 7$1,172 CAD
Retailer 18$1,176 CAD
Retailer 6$1,238 CAD
Retailer 15$1,318 CAD
Retailer 14$1,469 CAD
Retailer 4$1,509 CAD
Brilliant Earth$2,165 CAD

45 data points across 18 retailers

25 retailers$295 CAD to $2,165 CAD

A
Cheapest Retailer
-
$295 CAD
$211 USD
A
Retailer 2
-
$328 CAD
$235 USD
View
Final sale: no returns
A
Retailer 3
-
$341 CAD
$244 USD
View
A
Retailer 4
-
$365 CAD
$261 USD
View
A
Retailer 5
-
$365 CAD
$261 USD
View
A
Retailer 6
-
$411 CAD
HK$2,300 HKD
View
B+
Retailer 7
-
$517 CAD
$370 USD
View
A
Retailer 8
-
$591 CAD
€403 EUR
View
A
Retailer 9
-
$626 CAD
ZAR 7,243 ZAR
View
A
Retailer 10
-
$674 CAD
£380 GBP
View
A
Retailer 11
-
$719 CAD
$515 USD
View
A
Retailer 12
-
$721 CAD
$516 USD
View
A
Retailer 13
-
$852 CAD
A$938 AUD
View
B+
Retailer 14
-
$1,172 CAD
$839 USD
View
B+
Retailer 15
-
$1,176 CAD
$842 USD
View
B+
Retailer 16
-
$1,186 CAD
SGD 1,147 SGD
View
B+
Retailer 17
-
$1,238 CAD
$886 USD
View
B+
Retailer 18
-
$1,246 CAD
$892 USD
View
B+
Retailer 19
-
$1,318 CAD
A$1,452 AUD
View
B
Retailer 20
-
$1,426 CAD
£804 GBP
View
B
Retailer 21
-
$1,469 CAD
£828 GBP
View
B
Retailer 22
-
$1,485 CAD
$1,063 USD
View
Retailer 23
-
$1,509 CAD
$1,080 USD
View
Price last confirmed 17 days ago
B
Retailer 24
-
$1,714 CAD
$1,227 USD
View
Most Expensive
B
Brilliant Earth
17804972A · Oct 31
$2,165 CAD
$1,550 USD
View
24 more retailers have this diamond
Prices start from $295 CADSave up to $1,870 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 Radiant
$295 CAD