Radiant|Lab Grown|IGI

1.29ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG837601434

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

Certificate IGI LG837601434

Diamond specifications and retailer prices

From $276 USD
As of November 3, 2026
Save $1,024 USD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,300 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837601434 or 837601434. Listed at 8 retailers as of November 3, 2026, with prices from $276 to $1,300, a $1,024 spread on the same certified stone. Brilliant Earth lists it at $1,300. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837601434
Dimensions7.73 × 5.34 × 3.64 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.73 mm5.34 mm1.29 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837601434
Side View
Table 65.0%Crown 46.1°Girdle: MediumPavilion 35.7°Culet: NoneDepth 68.2%

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: Nov 3
Current: $1,300 USD|Low: $276 USD|High: $1,300 USD|Avg: $562 USD|+15.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 3$276 USD
Retailer 6$317 USD
Retailer 8$388 USD
Retailer 9$395 USD
Retailer 4$421 USD
Retailer 7$527 USD
Retailer 5$707 USD
Retailer 2$859 USD
Brilliant Earth$1,300 USD

11 data points across 9 retailers

8 retailers$276 USD to $1,300 USD

A
Cheapest Retailer
-
$276 USD
B+
Retailer 2
-
$317 USD
View
A
Retailer 3
-
$388 USD
View
A
Retailer 4
-
$421 USD
View
B+
Retailer 5
-
$527 USD
View
Retailer 6
-
$707 USD
View
Price last confirmed 8 days ago
B
Retailer 7
-
$859 USD
View
Most Expensive
B
Brilliant Earth
22181413A · Nov 4
$1,300 USD
View
7 more retailers have this diamond
Prices start from $276 USDSave up to $1,024 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
1.29ct Radiant
$276 USD