Radiant|Lab Grown|IGI

1.29ct F VS2 Radiant Lab Grown Diamond

ID • F/VS2 • IGI LG669456663

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

Certificate IGI LG669456663

Diamond specifications and retailer prices

From $478 USD
As of November 4, 2026
Save $115 USD (19%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $593 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG669456663 or 669456663. Listed at 2 retailers as of November 2, 2026, with prices from $478 to $593, a $115 spread on the same certified stone. Diamond Quarter lists it at $593. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669456663
Dimensions7.78 × 5.46 × 3.60 mm
L/W Ratio1.42
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm5.46 mm1.29 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669456663
Side View
Table 61.0%Crown 40°Girdle: MediumPavilion 35.4°Culet: NoneDepth 65.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $478 USD|Low: $340 USD|High: $1,249 USD|Avg: $751 USD|-10.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 23, 2026
Retailer 2$340 USD
Retailer 1$478 USD
Retailer 6$590 USD
Retailer 4$672 USD
Retailer 5$920 USD
Retailer 3$1,219 USD

25 data points across 6 retailers

2 retailers$478 USD to $593 USD

B+
Cheapest Retailer
-
$478 USD
Most Expensive
B
Diamond Quarter
1.29VS2FLG63D8F2N · Nov 2
$593 USD
£467 GBP
View
1 more retailer has this diamond
Prices start from $478 USDSave up to $115 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
$478 USD