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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

VG • D/VS1 • IGI LG687560276

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

Certificate IGI LG687560276

Diamond specifications and retailer prices

From $295 CAD
$211 USD
As of October 30, 2026
Save $1,703 CAD (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,998 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 very-good cut grade and certified by IGI LG687560276 or 687560276. Listed at 25 retailers as of October 30, 2026, with prices from $295 to $1,998, a $1,703 spread on the same certified stone. Brilliant Earth lists it at $1,998. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687560276
Dimensions6.81 × 6.11 × 4.23 mm
L/W Ratio1.11
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
6.81 mm6.11 mm1.51 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687560276
Side View
Table 68.0%Crown 41.5°Girdle: MediumPavilion 35.6°Culet: NoneDepth 69.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $1,998 CAD|Low: $282 CAD|High: $2,514 CAD|Avg: $899 CAD|-20.6%
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
November 1, 2026
Retailer 4$295 CAD
Retailer 13$328 CAD
Retailer 8$341 CAD
Retailer 5$365 CAD
Retailer 9$365 CAD
Retailer 14$517 CAD
Retailer 12$591 CAD
Retailer 16$626 CAD
Retailer 2$674 CAD
Retailer 10$721 CAD
Retailer 17$852 CAD
Retailer 7$1,172 CAD
Retailer 3$1,176 CAD
Retailer 6$1,238 CAD
Retailer 15$1,318 CAD
Retailer 11$1,426 CAD
Retailer 18$1,464 CAD
Retailer 19$1,502 CAD
Brilliant Earth$1,998 CAD

45 data points across 19 retailers

25 retailers$295 CAD to $1,998 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
B+
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
-
$1,464 CAD
£825 GBP
View
B
Retailer 22
-
$1,485 CAD
$1,063 USD
View
Retailer 23
-
$1,502 CAD
$1,075 USD
View
Price last confirmed 13 days ago
B
Retailer 24
-
$1,714 CAD
$1,227 USD
View
Most Expensive
B
Brilliant Earth
17805137A · Oct 31
$1,998 CAD
$1,430 USD
View
24 more retailers have this diamond
Prices start from $295 CADSave up to $1,703 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