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Round|Lab Grown|IGI

3.10ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG508123815

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508123815

Diamond specifications and retailer prices

From $709 USD
As of November 5, 2026
Save $2,522 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,231 USD at MOH London · As of November 3, 2026
View at MOH London

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 LG508123815 or 508123815. Listed at 15 retailers as of November 3, 2026, with prices from $709 to $3,231, a $2,522 spread on the same certified stone. MOH London lists it at $3,231. 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 angle33.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508123815
Dimensions9.43 × 9.37 × 5.73 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
9.43 mm9.37 mm3.10 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508123815
Side View
Table 58.5%Crown 33.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.0%

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 5
Current: $3,231 USD|Low: $709 USD|High: $3,270 USD|Avg: $1,688 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 8$709 USD
Retailer 11$794 USD
Retailer 5$1,000 USD
Retailer 10$1,126 USD
Retailer 12$1,246 USD
Retailer 9$1,335 USD
Retailer 6$1,580 USD
Retailer 4$1,842 USD
Retailer 2$1,912 USD
Retailer 7$2,026 USD
Retailer 3$2,836 USD
MOH London$3,231 USD

23 data points across 12 retailers

15 retailers$709 USD to $3,231 USD

A
Cheapest Retailer
-
$709 USD
A
Retailer 2
-
$772 USD
View
A
Retailer 3
-
$794 USD
View
Final sale: no returns
Retailer 4
-
$823 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$823 USD
View
A
Retailer 6
-
$1,000 USD
View
B+
Retailer 7
-
$1,126 USD
View
B+
Retailer 8
-
$1,246 USD
View
B+
Retailer 9
-
$1,335 USD
View
Retailer 10
-
$1,580 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$1,912 USD
View
B
Retailer 12
-
$2,026 USD
View
B
Retailer 13
-
$2,313 USD
View
B
Retailer 14
-
$2,836 USD
View
Most Expensive
B
MOH London
LG508123815 · Nov 3
$3,231 USD
£2,544 GBP
View
14 more retailers have this diamond
Prices start from $709 USDSave up to $2,522 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
3.10ct Round
$709 USD