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Round|Lab Grown|IGI

3.11ct J VS2 Round Lab Grown Diamond

ID • J/VS2 • IGI LG508140147

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508140147

Diamond specifications and retailer prices

From $711 USD
As of October 29, 2026
Save $2,548 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,259 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.11ct lab-grown round diamond

This 3.11ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508140147 or 508140147. Listed at 15 retailers as of October 29, 2026, with prices from $711 to $3,259, a $2,548 spread on the same certified stone. MOH London lists it at $3,259. 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

3.11
Carat
J
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508140147
Dimensions9.30 × 9.33 × 5.79 mm
L/W Ratio1.00
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
9.30 mm9.33 mm3.11 ctJ / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508140147
Side View
Table 59.0%Crown 35.2°GirdlePavilion 41.2°Culet: NoneDepth 62.1%

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: Oct 29
Current: $3,259 USD|Low: $711 USD|High: $3,280 USD|Avg: $1,749 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$711 USD
Retailer 10$797 USD
Retailer 3$960 USD
Retailer 2$1,000 USD
Retailer 9$1,129 USD
Retailer 6$1,339 USD
Retailer 11$1,492 USD
Retailer 4$1,658 USD
Retailer 5$2,033 USD
Retailer 12$2,845 USD
Retailer 8$2,970 USD
MOH London$3,259 USD

19 data points across 12 retailers

15 retailers$711 USD to $3,259 USD

A
Cheapest Retailer
-
$711 USD
A
Retailer 2
-
$774 USD
View
A
Retailer 3
-
$797 USD
View
Final sale: no returns
Retailer 4
-
$825 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$825 USD
View
B+
Retailer 6
-
$960 USD
HK$7,500 HKD
View
B+
Retailer 7
-
$1,000 USD
View
B+
Retailer 8
-
$1,129 USD
View
B+
Retailer 9
-
$1,339 USD
View
B
Retailer 10
-
$1,492 USD
View
B
Retailer 11
-
$2,033 USD
View
B
Retailer 12
-
$2,320 USD
View
B
Retailer 13
-
$2,845 USD
View
B
Retailer 14
-
$2,970 USD
View
Most Expensive
B
MOH London
LG508140147 · Oct 29
$3,259 USD
£2,566 GBP
View
14 more retailers have this diamond
Prices start from $711 USDSave up to $2,548 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
3.11ct Round
$711 USD