Radiant|Lab Grown|IGI

1.29ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG681568829

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

Certificate IGI LG681568829

Diamond specifications and retailer prices

From $486 USD
As of November 4, 2026
Save $124 USD (20%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $610 USD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

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 LG681568829 or 681568829. Listed at 2 retailers as of November 2, 2026, with prices from $486 to $610, a $124 spread on the same certified stone. Diamond Quarter lists it at $610. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681568829
Dimensions7.68 × 5.30 × 3.64 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.68 mm5.30 mm1.29 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681568829
Side View
Table 63.0%Crown 39.6°Girdle: Slightly ThickPavilionCulet: NoneDepth 68.7%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $486 USD|Low: $197 USD|High: $1,590 USD|Avg: $697 USD|-10.3%
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Retailer 14
September 23, 2026
Retailer 13$242 USD
Retailer 3$307 USD
Retailer 8$328 USD
Retailer 7$348 USD
Retailer 14$355 USD
Retailer 2$475 USD
Retailer 1$486 USD
Retailer 12$492 USD
Retailer 5$535 USD
Retailer 10$808 USD
Retailer 11$848 USD
Retailer 9$910 USD
Retailer 4$1,082 USD
Retailer 6$1,570 USD

51 data points across 14 retailers

2 retailers$486 USD to $610 USD

B+
Cheapest Retailer
-
$486 USD
Most Expensive
B
Diamond Quarter
1.29VS1FLG29E5D5N · Nov 2
$610 USD
£481 GBP
View
1 more retailer has this diamond
Prices start from $486 USDSave up to $124 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.

B+
1.29ct Radiant
$486 USD