Radiant|Lab Grown|IGI

3.91ct G VS2 Radiant Lab Grown Diamond

EX • G/VS2 • IGI LG835641330

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

Certificate IGI LG835641330

Diamond specifications and retailer prices

From $559 USD
As of October 30, 2026
Save $5,101 USD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,660 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.91ct lab-grown radiant diamond

This 3.91ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835641330 or 835641330. Listed at 19 retailers as of October 28, 2026, with prices from $559 to $5,660, a $5,101 spread on the same certified stone. Brilliant Earth lists it at $5,660. 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

3.91
Carat
G
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.2°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835641330
Dimensions11.41 × 7.82 × 4.85 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.41 mm7.82 mm3.91 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835641330
Side View
Table 65.0%Crown 49.2°Girdle: STK-THKPavilion 31.2°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $5,660 USD|Low: $537 USD|High: $5,830 USD|Avg: $1,658 USD|-2.9%
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 19
October 30, 2026
Retailer 18$559 USD
Retailer 6$626 USD
Retailer 8$626 USD
Retailer 7$693 USD
Retailer 19$693 USD
Retailer 2$786 USD
Retailer 16$825 USD
Retailer 5$1,068 USD
Retailer 9$1,079 USD
Retailer 12$1,082 USD
Retailer 10$1,377 USD
Retailer 15$1,789 USD
Retailer 4$1,824 USD
Retailer 17$2,012 USD
Retailer 3$2,233 USD
Retailer 11$2,248 USD
Retailer 14$2,780 USD
Retailer 13$3,026 USD
Brilliant Earth$5,660 USD

43 data points across 19 retailers

19 retailers$559 USD to $5,660 USD

A
Cheapest Retailer
-
$559 USD
A
Retailer 2
-
$626 USD
View
Final sale: no returns
A
Retailer 3
-
$626 USD
View
A
Retailer 4
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$693 USD
View
Retailer 5
-
$693 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$786 USD
£619 GBP
View
A
Retailer 7
-
$825 USD
View
B+
Retailer 8
-
$1,068 USD
View
A
Retailer 9
-
$1,079 USD
View
A
Retailer 10
-
$1,082 USD
£852 GBP
View
A
Retailer 11
-
$1,377 USD
View
B+
Retailer 12
-
$1,789 USD
View
B+
Retailer 13
-
$1,824 USD
View
B+
Retailer 14
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$2,012 USD
£1,584 GBP
View
B+
Retailer 15
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$2,233 USD
View
B+
Retailer 16
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$2,248 USD
View
B+
Retailer 17
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$2,780 USD
View
B
Retailer 18
-
$3,026 USD
£2,383 GBP
View
Most Expensive
B
Brilliant Earth
21426436A · Oct 28
$5,660 USD
View
18 more retailers have this diamond
Prices start from $559 USDSave up to $5,101 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
3.91ct Radiant
$559 USD