Radiant|Lab Grown|IGI

2.91ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG839664183

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

Certificate IGI LG839664183

Diamond specifications and retailer prices

From $646 USD
As of November 2, 2026
Save $2,024 USD (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,670 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 2.91ct lab-grown radiant diamond

This 2.91ct lab-grown radiant sits in the two to three carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839664183 or 839664183. Listed at 6 retailers as of November 2, 2026, with prices from $646 to $2,670, a $2,024 spread on the same certified stone. Brilliant Earth lists it at $2,670. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.91
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.2°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839664183
Dimensions10.37 × 7.11 × 4.72 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.11 mm2.91 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839664183
Side View
Table 67.0%Crown 42.2°Girdle: MediumPavilion 36°Culet: NoneDepth 66.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $2,670 USD|Low: $646 USD|High: $4,620 USD|Avg: $1,090 USD|-42.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$646 USD
Retailer 6$670 USD
Retailer 3$847 USD
Retailer 7$870 USD
Retailer 4$914 USD
Retailer 2$2,547 USD
Brilliant Earth$2,670 USD

7 data points across 7 retailers

6 retailers$646 USD to $2,670 USD

A
Cheapest Retailer
-
$646 USD
B+
Retailer 2
-
$670 USD
View
A
Retailer 3
-
$847 USD
View
A
Retailer 4
-
$914 USD
View
B
Retailer 5
-
$2,547 USD
View
Most Expensive
B
Brilliant Earth
22271525A · Nov 2
$2,670 USD
View
5 more retailers have this diamond
Prices start from $646 USDSave up to $2,024 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
2.91ct Radiant
$646 USD