Radiant|Lab Grown|IGI

3.71ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG600315454

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

Certificate IGI LG600315454

Diamond specifications and retailer prices

From $442 USD
As of November 2, 2026
Save $3,838 USD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,280 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.71ct lab-grown radiant diamond

This 3.71ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG600315454 or 600315454. Listed at 21 retailers as of November 2, 2026, with prices from $442 to $4,280, a $3,838 spread on the same certified stone. Brilliant Earth lists it at $4,280. 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

3.71
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600315454
Dimensions11.15 × 7.58 × 5.13 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.15 mm7.58 mm3.71 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600315454
Side View
Table 64.0%Crown 45.2°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
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 2
Current: $4,280 USD|Low: $431 USD|High: $4,450 USD|Avg: $1,355 USD|+3.4%
Brilliant Earth
Retailer 2
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Retailer 22
November 3, 2026
Retailer 4$442 USD
Retailer 14$494 USD
Retailer 20$496 USD
Retailer 6$549 USD
Retailer 7$549 USD
Retailer 3$614 USD
Retailer 16$861 USD
Retailer 9$862 USD
Retailer 18$865 USD
Retailer 2$907 USD
Retailer 8$950 USD
Retailer 17$1,159 USD
Retailer 13$1,195 USD
Retailer 11$1,322 USD
Retailer 21$1,475 USD
Retailer 5$1,764 USD
Retailer 12$1,797 USD
Retailer 15$1,967 USD
Retailer 19$2,018 USD
Retailer 10$2,053 USD
Retailer 22$2,640 USD
Brilliant Earth$4,280 USD

36 data points across 22 retailers

21 retailers$442 USD to $4,280 USD

A
Cheapest Retailer
-
$442 USD
A
Retailer 2
-
$496 USD
View
A
Retailer 3
-
$549 USD
View
Retailer 4
-
$549 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$861 USD
€820 EUR
View
B+
Retailer 6
-
$862 USD
View
A
Retailer 7
-
$865 USD
View
A
Retailer 8
-
$907 USD
£714 GBP
View
A
Retailer 9
-
$950 USD
View
A
Retailer 10
-
$1,159 USD
A$1,783 AUD
View
A
Retailer 11
-
$1,195 USD
ZAR 19,307 ZAR
View
A
Retailer 12
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$1,322 USD
View
A
Retailer 13
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$1,475 USD
View
B+
Retailer 14
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$1,714 USD
£1,349 GBP
View
B+
Retailer 15
-
$1,764 USD
View
B+
Retailer 16
-
$1,797 USD
View
Retailer 17
-
$1,967 USD
View
Price last confirmed 22 days ago
Retailer 18
-
$2,018 USD
£1,589 GBP
View
Price last confirmed 7 days ago
B+
Retailer 19
-
$2,053 USD
View
B
Retailer 20
-
$2,640 USD
View
Most Expensive
B
Brilliant Earth
8407383A · Nov 2
$4,280 USD
View
20 more retailers have this diamond
Prices start from $442 USDSave up to $3,838 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
3.71ct Radiant
$442 USD