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Radiant|Lab Grown|IGI

1.51ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG523265555

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

Certificate IGI LG523265555

Diamond specifications and retailer prices

From $314 USD
As of November 4, 2026
Save $1,536 USD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,850 USD at Brilliant Earth · As of November 4, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG523265555 or 523265555. Listed at 22 retailers as of November 4, 2026, with prices from $314 to $1,850, a $1,536 spread on the same certified stone. Brilliant Earth lists it at $1,850. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523265555
Dimensions8.19 × 5.59 × 3.86 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.19 mm5.59 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523265555
Side View
Table 67.5%Crown 43°Girdle: ThickPavilion 35°Culet: NoneDepth 69.1%

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: Nov 4
Current: $1,850 USD|Low: $301 USD|High: $1,940 USD|Avg: $914 USD|-4.6%
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
November 5, 2026
Retailer 12$314 USD
Retailer 13$389 USD
Retailer 7$454 USD
Retailer 11$545 USD
Retailer 5$633 USD
Retailer 9$671 USD
Retailer 2$687 USD
Retailer 8$914 USD
Retailer 10$1,142 USD
Retailer 4$1,252 USD
Retailer 3$1,497 USD
Retailer 6$1,555 USD
Brilliant Earth$1,850 USD

39 data points across 13 retailers

22 retailers$314 USD to $1,850 USD

A
Cheapest Retailer
-
$314 USD
A
Retailer 2
-
$351 USD
View
Final sale: no returns
A
Retailer 3
-
$364 USD
View
Retailer 4
-
$389 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$389 USD
View
A
Retailer 6
-
$454 USD
View
B+
Retailer 7
-
$545 USD
View
A
Retailer 8
-
$545 USD
View
B+
Retailer 9
-
$633 USD
View
B+
Retailer 10
-
$647 USD
View
B+
Retailer 11
-
$671 USD
View
B+
Retailer 12
-
$687 USD
View
B+
Retailer 13
-
$870 USD
View
B+
Retailer 14
-
$914 USD
View
B
Retailer 15
-
$1,142 USD
View
B
Retailer 16
-
$1,252 USD
View
B
Retailer 17
-
$1,297 USD
View
B
Retailer 18
-
$1,497 USD
View
B
Retailer 19
-
$1,508 USD
View
B
Retailer 20
-
$1,555 USD
View
B
Retailer 21
-
$1,557 USD
View
Most Expensive
B
Brilliant Earth
17972663A · Nov 4
$1,850 USD
View
21 more retailers have this diamond
Prices start from $314 USDSave up to $1,536 USD

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
$314 USD