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Radiant|Lab Grown|IGI

1.51ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG826677715

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

Certificate IGI LG826677715

Diamond specifications and retailer prices

From $206 USD
As of November 4, 2026
Save $1,314 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,520 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 LG826677715 or 826677715. Listed at 20 retailers as of November 4, 2026, with prices from $206 to $1,520, a $1,314 spread on the same certified stone. Brilliant Earth lists it at $1,520. 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 angle45.1°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826677715
Dimensions7.92 × 5.71 × 3.85 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm5.71 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826677715
Side View
Table 66.0%Crown 45.1°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 67.4%

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: $1,520 USD|Low: $198 USD|High: $1,940 USD|Avg: $711 USD|-21.6%
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
November 5, 2026
Retailer 3$206 USD
Retailer 4$255 USD
Retailer 9$255 USD
Retailer 18$345 USD
Retailer 16$429 USD
Retailer 15$440 USD
Retailer 2$465 USD
Retailer 6$507 USD
Retailer 14$594 USD
Retailer 10$765 USD
Retailer 5$821 USD
Retailer 17$824 USD
Retailer 12$850 USD
Retailer 7$874 USD
Retailer 8$1,035 USD
Retailer 13$1,039 USD
Retailer 11$1,189 USD
Brilliant Earth$1,520 USD

39 data points across 18 retailers

20 retailers$206 USD to $1,520 USD

A
Cheapest Retailer
-
$206 USD
Retailer 2
-
$244 USD
View
Price last confirmed 39 days ago
Retailer 3
-
$255 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$255 USD
View
Retailer 5
-
$258 USD
View
Price last confirmed 37 days ago
B+
Retailer 6
-
$345 USD
View
A
Retailer 7
-
$429 USD
View
A
Retailer 8
-
$440 USD
View
A
Retailer 9
-
$465 USD
View
A
Retailer 10
-
$507 USD
View
A
Retailer 11
-
$594 USD
View
B+
Retailer 12
-
$765 USD
View
B+
Retailer 13
-
$821 USD
View
B+
Retailer 14
-
$824 USD
View
B+
Retailer 15
-
$850 USD
View
B+
Retailer 16
-
$874 USD
View
Retailer 17
-
$1,035 USD
View
Price last confirmed 28 days ago
B
Retailer 18
-
$1,039 USD
View
B
Retailer 19
-
$1,189 USD
View
Most Expensive
B
Brilliant Earth
21053331A · Nov 4
$1,520 USD
View
19 more retailers have this diamond
Prices start from $206 USDSave up to $1,314 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
$206 USD