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Round|Lab Grown|IGI

3.10ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG478112365

Shape and cutting style on the report: Round brilliant

Certificate IGI LG478112365

Diamond specifications and retailer prices

From $3,150 USD
As of November 5, 2026
12 retailers carry this diamond
Most expensive: $17,195 USD at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG478112365 or 478112365. Listed at 12 retailers as of November 5, 2026. 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

3.10
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478112365
Dimensions9.41 × 9.36 × 5.72 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.41 mm9.36 mm3.10 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478112365
Side View
Table 59.0%Crown 34.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $17,195 USD|Low: $3,150 USD|High: $18,849 USD|Avg: $8,677 USD|-8.8%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 7$3,150 USD
Retailer 6$6,364 USD
Retailer 11$6,619 USD
Retailer 10$7,128 USD
Retailer 3$7,360 USD
Retailer 8$7,383 USD
Retailer 4$7,623 USD
Retailer 9$8,562 USD
Retailer 12$8,764 USD
Retailer 5$8,779 USD
Retailer 2$14,720 USD
Cape Diamonds$17,195 USD

22 data points across 12 retailers

12 retailers

B
Cheapest Retailer
-
$3,150 USD
Retailer 2
-
$6,364 USD
View
Price under review
Retailer 3
-
$6,619 USD
View
Price under review
Retailer 4
-
$7,128 USD
View
Price under review
Final sale: no returns
Retailer 5
-
$7,360 USD
View
Price under review
Retailer 6
-
$7,383 USD
View
Price under review
Retailer 7
-
$7,383 USD
View
Price under review
Retailer 8
-
$14,720 USD
View
Price under review
Most Expensive
Cape Diamonds
cert_478112365 · Nov 3
$17,195 USD
ZAR 277,791 ZAR
View
Price under review
8 more retailers have this diamond
Prices start from $3,150 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
3.10ct Round
$3,150 USD